t^^l

168 TNIONIDJE.
beaks very deep and angular The green Dojora variety is
remarkable for the great development of the teeth. The lateral
ones are disposed to be treble in the right as well as in the left
valve; and several parallel plicie interv-ene between them and
the exaggerated cardinal teeth in a perfect specimen with the
following dimensions: Long. 37, lat. 50, diam. 23 mm."
299. Parreysia (Parreysia) vulcana {Hanley).
Parreysia [Parreysia) vukana (Ilaclev) i Simpson, Washington,
D.C., Smiths. Inst., Nat. iNlus. Proe.'xxii, 1900, p. 844.
Unio vulcanus, Hanlev, P. Z. S. 1875, p. 606: H. & T., 0.1. 1876,
p. 62, pi. 155, fig. 3"; PiEtel, Conch. Sam. iii, 1890, p. 172.
Original description:—Testa solida, insequilateralis, subovata,
viridis, undique (nisi fortasse ad extremitatem anticaui) plicatorngosa;
plica) (sen tubercula elongata confluentia) iindatim angulariter
at oblique ordinatije. Margo dorsalis posticus et marge
veutralis convexi, subparalleli. Costa umbonalis nulla ; area
postica nequaquam concava. Lunula lata, hand multum impressa.
Margarita alba, vix minime iridescens. Margo cardinalis latus;
dentes cardinales solid!, laeerati ; in valvula sinistra dens lateralis
inter duos valvulje dextrse insertus.
Long. 25, lat. 38 mm.
Hah. Burma.
Described from an isolated specimen aiid appearing to somewhat
resemble P. tavoyensis (Gld.), in form.
To the description the following note is appended :—
"... .When hold before a light the valves appear of a ^-ellowish
green, richly embossed with zigzag ridges of a darker or bluer verdure.
The hinge is nearly the same as in U. [P. (P.)] faviclens of
Benson, the central teeth being short and complicated."
300. Parreysia (Parreysia) fese {Tapparone-Canefri).
Parreysia (Parreysia) fem (Tapparone-Canefri); Simpson, Washington,
D.C, Smiths. Inst., Nat. Mus. Proc. xxii, 1900, p. 844.
TInio feat, Tapparone-Canefri, Ann. Mus. Civ. St. Nat. Gienova,
xxvii, 1889, p. 340.
Original description :—Testa solida, crassiuscula, subcordatoovata,
insequilaterali, postice attenuata, margine ventrali subarcuato
postice sinuate, umbonibus tumidiusculis, decorticatis.
ValvsB rugis concentricis profundis 3-4-5 stepius exaratse, epidermide
luteo olivacea, tenui, Irevi indutsB, umbonibus prsesertim
et latere postico in junioribus varie ex loete-viridi depictis et
fulgurato-corrugatis. Dentes cardinales crassi, subtrigoni, laciniati
et striati, dentibus in valva dextera unico, in sinistra duplici,
postico majori triangulari, antieo-oblongo minori. Margarita la;te
carnea.
Long. 42-43, lat. 55, diam. 25-29 mm.
Hah. Meetan, Houngdaran'Eiver (L. Fea).