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VI Copenhagen Museum, who have kindly placed at my disposal of these groups procured during recent years by that Museum. the rich collections As to the systematic arrangement here adopted, some objections may perhaps be urged against its validity. I must, however, observe, that it is chiefly out of regard to the merely practical side of the question, that I have been induced to retain unaltered this arrangement, proposed by me several years ago, and now sanctioned by several distinguished authors. In the Appendix to the Volume, some additions, chiefly as regards the geographical distribution of the species, are given, as also descriptions and figures of a few new species. The plates, as in the 1st Volume, have been prepared by the autographic method, the appropriateness of which has been proved both by the plates of the 1st Volume, and by several other illustrations published by the present author. I am sorry, however, that some of the last plates of the present Volume have been less perfectly executed, owing to some want of care on the part of the lithographer in the transfer of my drawings. Yet I hope that these plates too will be found sufficiently distinct to allow of easily recognising the species illustrated. In concluding this short preface, I wish in the first place to express my most hearty feeling of gratitude to my friend, the distinguished Danish zoologist, Dr. Hansen, for the kindness with which he has at all times assisted me, both by forwarding to me specimens from the Copenhagen Museum, and by giving me much useful advice and information. I am likewise indebted to Mr. Budde- Lund, the well-known author of the work on air-breathing Isopoda, for identifying some difficult forms of Oniscoitla. There are also several other gentlemen to whom my thanks are due, partly for having sent me specimens, partly for having assisted me in other ways. Finally, I beg to offer my best thanks to the direction of the Bergen Museum for the readiness with which it has undertaken the continued publication of this great work. G. 0. Sar*.
PRINCIPAL WORKS ON ISOPODA. 1 Isopoda in general. H. Milne-Edwards. Histoire naturelle des Crustaces, Tome III. 1840. H. Itathlce. Beitrage zur Fauna Norwegens. 1843. H. Kroyer. Crustacees, in Gaimard's Voyage en Scandinavie, 1849. ) etc. Atlas. J. Dana. Report on the Crustacea of the United States Exploring Expe- dition. Part II. 1853. P. v. Beneden. Recherches sur la faune littorale de Belgique. Crustaces. 1861. Cam. Heller. Carcinologische Beitrage Isopoda. 1866. Sp. Bate & Westivood. A History of British sessile-eyed 1868. Fr. Meinert. Crustacea Isopoda, Amphipoda et Decapoda zur Fauna des adriatischen Meeres. Crustacea. Vol. II. Danine. 1877. Crustacea malacostraca (Det videnskabelige Udbytte af ,,HauchV Togter). 1890. Oscar Haryer. Report on the marine Isopoda of New England and adjacent Waters. 1878. P. P. C. HoeJc. Die Crustaceen gesammelt wahrend der Fahrten des ,,Willem Barents". 1882. G. 0. Sars. Oversigt af Norges Crustaceer I. 1882. Crustacea of the Norwegian North Atlantic Expedition. 1885. Fr. Beddard. Report on the Isopoda of the Challenger Expedition. 1886. 1 ) It is of course not my intention to give here an} 7 complete account of the litera- ture referring to the Isopoda, as such an account would fill several sheets; it is only my purpose to record some of the more important works, especially those referring to the northern fauna. The works are, as a rule, enumerated in chronological succession, and besides those treating of the Isopoda in general, some particular Avorks are recorded for each of the chief groups, an arrangement which I hope may be of some practical use in facilitating reference.
Page 2 and 3: AN ACCOUNT OF THE CRUSTACEA OF NORW
Page 4 and 5: BERGEN. JOHN GRIEG
Page 8 and 9: VIII H. J. Hansen. Oversigt af de p
Page 10 and 11: X C. Bovattius. Notes on the family
Page 12 and 13: thus meriting the name of true gnat
Page 14 and 15: Tribe 1. CHELIFERA. Body generally
Page 16 and 17: of legs. In the structure of the or
Page 18 and 19: 8 fied with Apseudes talpa of Monta
Page 20 and 21: 10 in female rather strong, hand ve
Page 22 and 23: 12 flagellum. Inferior antennae a l
Page 24 and 25: 14 Tanais, on separate lobes. Super
Page 26 and 27: 16 Gen. 2. Paratanais, Dana, 1852.
Page 28 and 29: 18 the genus Parataitais. Inferior
Page 30 and 31: 20 robust than in T. tenuimanus, wi
Page 32 and 33: 22 Remark*. - This form was first r
Page 34 and 35: 24 free segment of mesosonie longer
Page 36 and 37: 26 Occurrence. Only 2 female specim
Page 38 and 39: 28 Distribution. -- Off Reykjavik,
Page 40 and 41: 30 projection not denned from the b
Page 42 and 43: 32 Imt slightly setous. Chelipeds s
Page 44 and 45: 34 Cryptocope abbreviata, (PL XV, f
Page 46 and 47: Occurrence. I have met with this fo
Page 48: 38 wholly absent, in male normally
Page 51: Apseudidee. G.O. S ars, autogr . I
Page 57:
Ta na i d ae. 6.0. S ars, autogr. "
Page 61:
Jar. aid se. G.O. S ars, autogr. I
Page 65:
Ta n a i d ae. G. 0. S ars, autogr
Page 69:
Ta naid as. G.O. S ars, autogr. I s
Page 73:
Is Ta n a i d as . G.O. S ars, auto
Page 77:
Ta n a i d as. G.O. S srs, autogr.
Page 80 and 81:
40 1. Pseudotanais forcipatus (Lill
Page 82 and 83:
42 form; carpal spine of the succee
Page 84 and 85:
44 without distinct coxal plates. M
Page 86 and 87:
46 first 2 segments of mesosome som
Page 88 and 89:
long sensory 48 filaments. Mandible
Page 90 and 91:
50 Fam. 2. Gnathiidae. r*. Body of
Page 92 and 93:
52 Praniza might be the female of A
Page 94 and 95:
54 2. Gnathia dentata, (PI. XXII. f
Page 96 and 97:
56 Distribution. Greenland (Kroyer)
Page 98 and 99:
58 Gen. 1. ^Ega, Leach, 1815. Gener
Page 100 and 101:
60 2. &g& tridens, Leach. (Pi. XXV,
Page 102 and 103:
62 the end of the propodos, inside
Page 104 and 105:
64 7. ^Ega ventrosa, (PL XXVI, fig.
Page 106 and 107:
66 spinules. Eyes very large, nearl
Page 108 and 109:
68 Remarks. The above diagnosis ref
Page 110 and 111:
70 hroad, coarsely spinous at the t
Page 112 and 113:
72 Anterior pairs of legs nearly as
Page 114 and 115:
74 mentary stars, arranged in trans
Page 116 and 117:
76 Limnoria lignorum (Eathke). (PI.
Page 118 and 119:
Tribe 3. VALVIFERA. Remarks. The ch
Page 120:
80 E. Miers 1 ), the genus comprise
Page 123:
Ta na i d SB. G.O. S ars, autogr. I
Page 127:
Anthuridae. G.O. S ars, autogr . I
Page 131:
Gnathiidae. G. 0. S BTS, autogr . I
Page 135:
tgidae. G.O.Sars. autogr. I s opo d
Page 139:
fegidae. G. 0. S ars, autogr . Is o
Page 143:
G.O. S ars, autogr . I s opo da. PI
Page 147:
Cirolanid I s opo da. PI. .,-.,..-
Page 151:
Idotheidas. G.O. S ars, autogr . I
Page 154 and 155:
82 flagellum much shorter than the
Page 156 and 157:
84 he records as I. phosphor ca Har
Page 158 and 159:
86 Occurrence. The species has a di
Page 160 and 161:
88 Arc-torn* given by Latreille to
Page 162 and 163:
90 2. Astaeilla arietina, G. 0. Sar
Page 164 and 165:
92 Occurrence. It would seem to be
Page 166 and 167:
Tribe k. ASELLOTA. Be-mark*. In the
Page 168 and 169:
96 suture along the middle, and 2 l
Page 170 and 171:
98 Fam. 2. laniridae. Characters. G
Page 172 and 173:
U)0 peduncle. Kpignath of the maxil
Page 174 and 175:
102 of 400 fathoms. Subsequently I
Page 176 and 177:
104 length, without any distinctly
Page 178 and 179:
106 Remarks. The type of this famil
Page 180 and 181:
108 2. Munna limieola, G. 0. Sars.
Page 182 and 183:
110 Inferior antenna?, as compared
Page 184 and 185:
112 Paramunna bilobata, (PI. XLVII,
Page 186 and 187:
114 hairs in their outer part, tip
Page 188:
116 Gen. 4. DendrOtlOn, G. O. Sara,
Page 191:
IdoiheidaB. G.O. S ars, autogr . I
Page 195:
Arciuridaa. G.O. S srs, autogr I s
Page 199:
Arcturidae. G.O. S ars, autogr I s
Page 203:
Janiridse. G.O. S srs, autogr . I s
Page 207:
laniridas. I s op o da.. PI. 42 G.
Page 211:
Munnids. Is op o da.. PI. 44. G.O.S
Page 215:
Munnidas- G.O. S ars, autogr I s op
Page 219:
Munnidae. I s opo da- i. G. 0. S ar
Page 222 and 223:
118 Fam. 4. Desmosomidae. Character
Page 224 and 225:
120 ever, rather different, and ver
Page 226 and 227:
122 middle, to a strong, recurved,
Page 228 and 229:
124 short. Uropocla scarcely exceed
Page 230 and 231:
126 form, with the proximal joints
Page 232 and 233:
128 to he identical with a form pre
Page 234 and 235:
130 the mandibles, in particular, i
Page 236 and 237:
132 As our knowledge of this peculi
Page 238 and 239:
134 with the carpal joint oblong fu
Page 240 and 241:
136 1. Ilyarachna longicornis, (PI.
Page 242 and 243:
m 138 3. Ilyarachna denticulata, G.
Page 244 and 245:
140 antennae not quite twice as lon
Page 246 and 247:
142 Occurrence. I first discovered
Page 248:
144 Gen. 6. EliryCOpe, G. 0. Sars,
Page 251:
Desmosomidae, I s op o da.. PI. 50.
Page 257:
Desmosomidae 1 . G. 0. S ars, autog
Page 263:
Munnopsidae. G.O. S ars, autogr , I
Page 267:
Munnopsidas. 6. 0. S ars, autogr .
Page 271:
IVlunnopsidae. G.O. S ars, autogr .
Page 275:
Munnopsidae. G 0. S srs, autogr . I
Page 278 and 279:
146 taken it very plentifully on a
Page 280 and 281:
148 must also occur off the coasts
Page 282 and 283:
150 the carpal one. dactylus minute
Page 284 and 285:
152 orbicular in form, dactylus com
Page 286 and 287:
154 The mandibles are strong, and a
Page 288 and 289:
or less elongated, basal part not p
Page 290 and 291:
158 Remarks. This genus, establishe
Page 292 and 293:
160 thin, without air-chambers or a
Page 294 and 295:
162 Occurrence. According to Mr. Bu
Page 296 and 297:
of n little bowl of a spoon; that o
Page 298 and 299:
166 clear golden yellow colour, wit
Page 300 and 301:
168 the last peduncular joint, and
Page 302 and 303:
170 broad and laminar, though scarc
Page 304 and 305:
172 ramus narrow lanceolate, and ex
Page 306 and 307:
174 Remarks. This form was first de
Page 308 and 309:
176 Gen. 4. PorcelllO, Latr., 1804.
Page 310 and 311:
178 wards, frontal lobe less promin
Page 312 and 313:
180 4. Poreellio Rathkei, Brandt. (
Page 314 and 315:
182 plates of only the 2 anterior p
Page 316:
184 increasing in length posteriorl
Page 319:
Munnopsidae. I s op i. G.O. S ars,
Page 323:
Munnopsidae. G.O. S ars, autogr . I
Page 327:
G.O. S ars, autogr . s op o Lig'ia
Page 331:
Trichoniscidae. I s op o da. PI. 72
Page 335:
Trichoniscidae. 1 S O ]3 O CLQ._ PI
Page 339:
Oniscidas. I s opo da. PI. 76. G.O.
Page 343:
Oniscidae. I s op o da. PI. 78. : r
Page 347:
Oniscidae. I s op o da. P! . 80. G.
Page 351:
Armadillidiidas. I s op i. V., V^,.
Page 355:
JBopyridae. I s opo da- t G.O S ars
Page 359:
Bopyridae. G.O S ars, autogr. I s o
Page 363:
Bopyridae. G. 0. S ars, autogr I s
Page 366 and 367:
186 Remarks. The present genus, est
Page 368 and 369:
188 above-described genus Cylisticu
Page 370 and 371:
190 as it is very common both in Sw
Page 372 and 373:
192 Side-plates of 1st segment of r
Page 374 and 375:
apparent. In the latter case, the 3
Page 376 and 377:
196 simple, conic; posterior antenn
Page 378 and 379:
198 Occurrence. This form is found
Page 380 and 381:
200 fully grown, the parasite cause
Page 382 and 383:
nier to their genus 7 \/ la '//////
Page 384 and 385:
204 tal lamella, the distal edge of
Page 386 and 387:
206 able want of correctness, as re
Page 388 and 389:
208 branchiata. In the female, more
Page 390 and 391:
210 Remarks. The present genus is v
Page 392 and 393:
212 soft metasome of this Crustacea
Page 394 and 395:
214 Miiller ought to be referred to
Page 396 and 397:
216 and to a 'great extent encompas
Page 398 and 399:
218 The genus MiCrOmSCUS, Fritz Mii
Page 400 and 401:
220 tary appearance, in the present
Page 402 and 403:
222 as a rule, very small and somet
Page 404 and 405:
224 as Boj>-t/r/is mys'ulum and by
Page 406 and 407:
226 On a closer examination, will t
Page 408 and 409:
228 area in front. Caudal part of b
Page 410 and 411:
230 2 middle figures on PI. 96) are
Page 412:
232 shorter than the inner. Male no
Page 415:
Bopyridae. I s op i. G. 0. S ars, a
Page 419:
Bo py rid as. I s op o PI. G.O. S .
Page 423:
Dajidae. G. 0. S ars, autogr . I s
Page 427:
Dajid as. Is op o PI. 96. G. 0. S a
Page 430 and 431:
234 anal segment obtusely produced
Page 432 and 433:
236 Gen. 2. CryptOthlr, Dana, 1852.
Page 434 and 435:
238 Aseoniscus simplex, G. 0. Sars,
Page 436 and 437:
240 anal segment rounded at the tip
Page 438 and 439:
242 apparatus present, Male (or las
Page 440 and 441:
244 at present to state, as they ar
Page 442 and 443:
246 Cryptoniseid (PI. C, fig. 3). N
Page 444 and 445:
248 much more advanced stage, the o
Page 446 and 447:
250 Page 122. Add the following spe
Page 448 and 449:
252 Page 129. Add the 3 following s
Page 450 and 451:
254 the end of the caudal segment.
Page 453 and 454:
Acanthocope Acherusia Page. 131 65
Page 455 and 456:
Page. crassicornis 175 Isevis 161 M
Page 457:
Page. tenuicornis 23 tenuimanus 18
Page 460 and 461:
PL 16. G. o. Bars. 1. Strong-ylura
Page 462 and 463:
PL 84. 1. Bopyrus sqvillarum (Latr.
Page 464 and 465:
2b. p 7 . Same, leg of 7th pair, ex
Page 466:
cf p 3 - Same, leg of 3rd pair, cfp
Page 471:
Cryptoniscidce. G.O.Sars, autogr. 1
Page 475:
Cryptoniscidae. 1 S C>p O Pi. 100 G
Page 479:
Desmosomidae. I S Op O da. Suppl. G
Page 483:
Desmosomidae. 1 S O p O CLQ- Suppl.
Page 488 and 489:
An Account of The Crustacea of Norw
Page 492 and 493:
Page 496 and 497:
Page 500 and 501:
Page 504 and 505:
Page 508 and 509:
Page 512:
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