142 
MOLLUSCA. 
Grayana, new subgeneric name for the true Biihynia, Gray. Betta, Moll, 
prov. Veron. p. 113 \_Elona, Moq.-Tand. 1855, is identical]. 
Bithynia nassa, Theobald, 1863, redescribed and figured by the author, 
J. A. S. B. xxxix. p. 402, pi. 18. f. 8. 
Bithynia rohusta, sp. n., II. Adams, P. Z. S. 1870, p. 8, pi. 1. fig. 13, Hainan. 
VALVATIDiE. 
Valvata naticina^ Menke. Hensche insists that he has found and recognized 
this species in the province of Eastern Prussia. Nachr. mal. Ges. ii. p. 98. 
The Recorder has also recognized it, on comparison with Hensche’s specimens, 
in a Valvata collected by Dr. Jachno in Galizia, and supposes it to be the 
Valvata^ sp. n., from Kiew and Moskau, in Nadeschin’s catalogue, /. c. pp. 
131 and 181. 
Valvata Jluviatilis, sp. n., Colbeau, Ann. mal. Belg. iii. 1808, p. 93, pi. 2. 
fig. 16, Belgium. [Probably = contorta (Menke, 1849, not MUll.) = antiqua 
(Morris, 1846, teste Morch, 1864).] 
Valvata tasolana, sp. n., St. Simon, Ann. Mal. p. 22, France. 
Valvata coronadoi, sp. n., Bourguignat, B. Z. 1870, p. 168, Madrid j very 
small. 
Valvatinella and Planorhitina, new names for the sections of the genus 
Valvata, comprising V, piscinalis, Mull., and V. cristata, Miill., respectively. 
Betta, Moll. prov. Veron. p. 127. [The first = Cincinna, Iliibn., Morch, 1804 j 
the second = Gyrorhis, Fitz. 1837, and Planclla, Schliiter, 1838.] 
Phaneta, gen. nov. Testa imperforata, trochiformis, spirto anfractibus 
paucis, ultimo caiinato, expanso, basi depresso ; apertura ampla, rotundata, 
antice subsinuata, iutus margaritacea ; columella revoluta, acuta j peristoma 
simplex, rectum. P. everetti, sp. n., Siniwan river, Borneo. H. Adams, P. Z. S. 
1870, p. 793, pi. 48. f. 20. 
AMPULLAllIIDiE. 
Ampullaria wernei, Philippi. Frequent and of large size in the Bahr-el- 
gazal system of the White Nile, found by G. Scliweinfurth ; its diflereucca 
from A. speciosa, Phil., pointed out by Martens, Mal. Bl, xvii. p. 84. 
Turritellid^. 
Turritella suhangulata, Brocchi, recent in the Mediterranean j specimens 
sent by Benoit to Weinkauff. Bull. mal. Ital. iii. p. 134. 
Turritella excavata and puneticulata, spp. nn., Sowerby, P. Z. S. 1870, pp. 
252, 253, both from Agullias Banlf. 
Protoma, gen. nov. Testa turrita; apertura ovalis, labro inferiore acute 
inciso. Operculum circulare, corneum, multispirale. P. knockeri, sp. n., 
Baird, P. Z. S. 1870, pp. 59, 60, with a woodcut, Whydah, W. Afr. Baird 
adds that some fossil species placed commonly in the genus Proto may possibly 
enter into his new genus, but not P. maraschinii, and moreover that the name 
has been twice preoccupied. 
CaSCIDtE. 
Ccecum vei'acr^uzatmm, vestitum, carmenense, buccina, hipartitmn, contrac-' 
turn, instructum, ahhreviatum, and triornatum, spp. nn., Folin, Fonds de la 
Mer, part xii. et xiii. pp. 183-187, pi. 25. figs. 1-16, and pi. 26. f. 1 & 2, Vera 
