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ELASMOGNATHA. 163
Succinea rutilans, sp. n., Blanford, J. A. S. B. xxxix. p. 23, pi. 3. fig. 23,
Cherra Punji.
Succinea (Lithotis) tumida, sp. n., with a var. subcostulata, Blanford, /. c.
p. 23, pi. 3. fig. 24, Singhar, British India.
Succinea masearensis, sp. n., Nevill, J. A. S. B. xxxix. p. 414, Bourbon.
Allied to S. striata, Krauss.
Succinea explanata, Gould, lives on the trunks of trees in the Sandwich
Islands ; a new genus, Catinella, is proposed for it, but no distinctive characters
given by Pease, J. de Conch, xviii. p. 89.—Catinella rubida and Succinea
elongata, spp.nn., Pease, ibid. pp. 96, 97, Kauai, Sandwich Islands ; the last
at an elevation of 4000 feet.—Succineapauluccice, sp. n., Gassies, J. de Conch.
xviii. p. 140, New Caledonia.
Succinea nuttalliana, Lea ; photograph of dentition, Binney and Bland, Ann.
Lyo. N. York, ix. 1870, p. 281.—S. effusa, Shuttl, dentition figured by the
same, Am. J. Conch, vi. pi 9. fig. 15.
LlMNOPHILA.
AURICULID^E.
Carychium minimum var. curtum, n., Colbeau, Ann. mal. Belg. iii. (1868)
p. 101, pi 2. fig. 8, Belgium.
Scarabus mawulus and crosstanus, spp. nn., Gassies, J. de Conch, xviii.
pp. 143, 144, New Caledonia.—Pythiapollux (Hinds) described anew by
Mousson, ibid, p. 133, Fiji Islands.
Auricula (Cassidula) intuscarinata, sp.n., Mousson, J. de Conch, xviii.
p. 132, pi. 7. fig. 9, Fiji Islands.—Aur. (C.) crassiuscula var. vitiensis, id.
ibid. p. 131.
Melampus avenaceus, sp. n., Mousson, I. c. p. 134, Ovalau, Fiji Islands.
Melampus bidentatus (Say), photograph of its dentition by Binney and
Bland, Ann. Lye. N. York, ix. p. 286.
LIMNJEID.*:.
W. H. DALL, after reviewing all accessible information concerning
the dentition and other anatomical characters of the
genera and subgenera, from his own observations and various
authors, proposes the following arrangement of this family :—
Subfamily LIMNJEIN-S!.
Gen. Limncea, subgen. Radix, Montf., Bulimncea, Hald., Limnophysa,
Fitz., Acella, Hald. (rhachidian tooth, pi 2. fig. 13), and Limncea proper,
type stagnalis, L.
Gen. Amphipeplea, Nilss.
Gen. Erinna, H. et A. Adams.
Gen. Strebelia, Crosse and Fischer, = Physella, Pfr., not Hald. [This is
supposed to be a terrestrial shell by Dr. L. Pfeiffer and others.]
Subfam. PLANOBBINJE.
Gen. Planorbis, subgen. Taphius, Ad., Helisoma, Swains., Planorbis
proper (type corneus, L.), Planorbella, Hald., Adula, Ad., Menetus, Ad.,
Gyraulus, Ag. (typealbus,M.ull.),Bathyomphalus, Ag.,and Anisus, Fitz.