MOLLUSCA. 
72 Moll. 
Hydrobijdas. 
Amnicola ahterica, pi. viii, fig. 11, A. hochburica, pi. viii, fig. 10, A . 
mulierum , pi. viii, fig. 12, n. spp., Hamburg ; Seuvain, (2) pp. 306 & 307- 
Deddomeia , u. subg. of Potamopyrgus, for Amnicola launcestonensis, 
Jobnst., p. 15, pi. i, fig. 2, and B. belli , p. 16, pi. i, fig. 7, B. lodderce , 
p. 16, pi. iii, fig. 1, B. hulli, p. 17, pi. i, fig. 8, Tasmania, n. spp.; Petterd 
(1) [Nom. prceocc.]. 
Brazieria, n. g., for Ampullaria lasmanica , Ten.-Woods ; id. t. c. p. 17, 
pi, i, fig. 1 [cf. p. 60, antea ]. 
Bythinella clessini , n. sp., Moravia ; Rzehak, p. 95, fig. 3. 
Bythinia tentaculata , monstrous form ; Smith (7). B. ammcecia, n. sp., 
Hamburg ; Sebvain, (I) p. 304. B. grandis , p. 132, pi. iv, fig. 1, B.fuch- 
siana, p. 134, pi. iv, fig. 2, u. spp., Hunan ; MOllendorff (2). B. 
minutokles , Gredl., 1885, is a Hydrobia ; id. t.c. p. 139. B.alberti, B. wal- 
leri, n. spp., Albert Nyanza ; Smith, (10) p. 54, fig. 3. 
Fossarulus sinensis , Neum., redescribed and figured ; MOllendorff, 
(2) p. 136, pi. iv, fig. 3. 
Hydrobia ? evanescens, n. sp., Azores ; Guerne, (1) p. 39, figs. 1 & 2. 
H. turbinata, n. sp., Tasmania ; Petterd, (1) p. 18, pi. ii, fig. 3. 
Lithoglyphus viridulus, n. sp., Hunan; MOllendorff, (2) p. 141, pi. iv, 
fig. 6. 
Lyogyrus , Gill, is allied to Amnicola ; Pilsbry (3). L. lehnerli , 
n. sp , Washington, D. C. ; Ancey, (7) p. 79. 
Potamopyrgus woodsii, p. 12, pi. i, fig. 12, P. smithi } p. 13, pi. i, fig. 10, 
P. brownii , p. 13, pi. iii, fig. 14, P. (?) marginata , p. 14, [pi. i, fig. 9, 
n. spp., Tasmania ; Petterd (1). 
Prosothenia schmackeri, n. sp. t Shanghai; MOllendorff, (2) p. 143, 
pi. iv, fig. 4. 
Pyrgophorus , n. sect, of Pyrgulopsis ; Ancey, (l) pp. 187 & 192. 
Pyrgulopsis. Genus divided into a typical and Pythiniform series 
(n. subg. Pyrgophorus) ; the following are regarded as new species — P. 
nicaraguanus } Nicaragua, p. 194, P. coronatus, Vera Cruz, p. 197, P. 
wrighti , Coat^peque, p. 199, P. hydrobioides, Coatepeque, p. 201 ; id. t. c. 
PALUDINIDJi. 
Gampeloma : full account of anatomy, with figures ; Call (2). 
Cleopatra emini, n. sp., Albert Nyanza ; Smith, (10) p. 54, fig. 2. 
Paludina liberiana } n. sp., Liberia ; Sohepman, (1) p. 247, pi. x, fig. 1. 
P. semmelinki, n. sp., Borneo ; id. (2). P. diluviana, vide p. 53, anted. 
Vivipara duponti } n. sp., Senegal ; Rochebrune, (2) p. 34. 
Valvatidj:. 
Valvata mergella, Westerlund, 1887, = V. sincera , Say; Pilsbry (3). 
Assimineidaj. 
Assiminea bicincta , n. sp., Tasmania; Petterd, (1) p. 18, pi. ii, fig. 4. 
