ELASMOGNATHA^ 163 
Succinca rutilans, sp. n., Blanford, J. A. S. J3. xxxix. p. 23, pi. 3. fig. 23, 
Cherra Punji. 
Succinea (Lithotis) tumida, sp. n., witli a var. suhcosiulata, Blanford, l.c. 
p. 23, pi. 3. fig. 24, Singhar, British India. 
Succinca mascarensifi, sp. n., Nevill, J. A. S. B. xxxix. p. 414, Bourbon. 
Allied to S. striata, Kraiiss. 
Succinea explanata, Gould, lives on the trunhs of trees an the Sandwich 
Islands ; a new genus, Catinella, is proposed for it, hut no distinctive charac- 
ters given by Pease, J. de Conch, xviii. p. 89. — Catinella rnbida and Succinea 
eloncjata, spp. nn.. Pease, ibid. pp. OG, 97, Kauai, Sandwdeh Islands ; the last 
at an elevation of 4000 feet. — Sucemea jyauluccicc, sp. n., Gassies, J. de Conch, 
xviii. p. 140, New Caledonia. 
Succinea nuttalliana, Lea ; photograph of dentition, Binney and Bland, Ann. 
Lyc. N. York, ix. 1870, p. 281. — S. effusa, Shuttl., dentition figured by the 
same,- Anr. J. Conch, vi. pi. 9. fig. 15. 
L I M N O P II I L A. 
Auhiculida3. 
Carychium mmimum var. curtuni, n., Colbeau, Ann. mal. Belg. iii. (18G8) 
p. 101, pi. 2. fig. 8, Belgium. 
Scarabus mauj'idus and erossea^ms, spp. nn., Gassies, J. de Conch, xviii. 
pp. 14.3, 144, New Caledonia. — Pythia i^ollux (Hinds) described anew by 
Mousson, ibid, p. l-S-S, Fiji Islands. 
Auricula {Cassidula) inkiscarinata, sp. n., Mousson, J. de Conch, xviii. 
p. 132, pi. 7. fig. 9, Fiji Islands. — Aur. {C.) crassiuscula var. vitiensis, id. 
ibid. p. 131. 
Mclampus avcnaceus, sp. n., INIoiisson, 7. c. p. 134, Ovalau, Fiji Islands. 
Melamints hidentatus (Say), photograph of its dentition by Binney and 
Bland, Ann. Lyc. N. York, ix. p. 286. 
LlMNA<:iDAi. 
W. II. Dall, after reviewing all aecessible information eon- 
cerning the dentition and other anatomieal charaeters of the 
genera and snbgenera, from his own observations and various 
authors, proposes the following arrangement of this family : — 
Subfamily LiMNiEiNiR. 
Gen. Limncea, subgen. Radix, Month, Bulimncea, Hald., Limnophysa, 
Fitz., Acclla, Hald. (rhachidian tooth, pi. 2. fig. 13), and pro- 
per, type stagnalis, L. 
Gen. Amphipeplea, Nilss. 
Gen. Erinna, II. et A. Adams. 
Gen. Strehelia, Crosse and Fischer, = P%sc//a, Pfr., not Hald. [This is 
supposed to be a terrestrial shell by Hr. L. Pfeiffer and others.] 
Subfara. Planohdinaj. 
Gen. Platiorhis, subgen. Taphius, Ad., Ilelisoma, Swains., Planorbis 
proper (type corneus, L.), Planorhella, Hald., Adula, Ad., 3fenetus, AA, 
Gyraulus, Ag. (type albus,b{.\x\\.),Bathyomphalus, Ag., ^ni\.Anisus, Fitz. 
