84 Moll 
MOLLUSCA, 
Cyclostoma (^TropidopJiora) caldwellianum (Nevill), with varr. nn. suh- 
Iccvis and sexcarinata, and C. (T.) erroneum^ sp. n., = unicolor (Pfr., pt.), 
with varr. suhunicolor^ suhocclusa, and subligatum [sic !], both Mauritius, 
only subfossil ; Nevill, J. A. S. B. 1. pt. 2, pp. 150-153, the first pi. vi. 
figs. 10 & 10 A. 
Cyclostoma radiolatum, sp. n., Martens, Nachr. mal. Ges. 1881, p. 135, 
Socotra. 
Cyclostoma insulare (Pfr.), var., = C. kraussianum (Reeve, nec Pfr.), 
from the continent of East Africa between Lake Nyassa and the coast ; 
E. A. Smith, P. Z. S. 1881, p. 277, pi. xxxii. fig. 1. 
Cyclostoma semiliratum and moniliatum, spp. nn., Mayotte Island, 
Comores, Morelet, J. de Conch, xxix, pp. 233 & 234, pi. ix. fig. 15, and 
pi. X. fig. 7. 
Cyclostoma elegans: on its locomotion; see Simroth, anted in the 
.General Part. 
Cyclostoma costulatum var, hyrcanum (Martens, 1874) = C. caspicum 
(Mouss.), Bottger, JB. mal. Ges. viii. p. 243, 
Choanopoma acervatum^ sp. n., Arango, P. Ac. Philad. 1881, p. 15, 
woodcut" Cuba. 
Ctenopoma nodiferum and wrightianum, spp. nn., id. 1. o. p. 16, Cuba, 
Pomatius apistus^ sp. n., Syria ?, and Tienricce (Strobel) var. h. lisso- 
gyrus, Val Seigena, Trentino ; Westerlund, CE)fv. Ak. Forh. 1881, pp. 65 
& 66 ." 
Pomatius elongatus and adamii var. carseolanus (Paulucci), macrochilus 
with var. limbatus^ sospes, and agviotes (Westerlund), Paulucci, Bull. Soc. 
mal. Ital. vii. pp. 145-147, pi, v. figs. 1-6, Terra di Lavoro and Abruzzi. 
Pomatias lederi^ sp. n., Bottger, JB. mal. Ges. viii. p. 244, pi. ix. fig. 22, 
and Nachr. mal. Ges. 1881, p. 128, Kutais, Transcaucasia. 
Omphalotropis dupontiana (Nevill) and caldioelliana, sp. n., both Mau- 
ritius, Nevill, J. A. S. B. 1. pt, 2, pp. 153 & 154, pi. vi, figs. 8 & 9. 
TrUNCATELHIDJ]. 
Truncatella ohscura^ sp. n., Morelet, J. de Conch, xxix. p. 239, pi. x. 
fig. 12, Mayotte Island, Comores. 
Acme delpretiiy sp, nn,, Viareggio, near Lucca, and list of 8 Italian 
species of Acme ; Paulucci, Bull. Soc, mal. Ital, vii. pp, 221-225. 
AsSIMINEIDJ]. 
Assimmea woodmasonianay hung erf ordiana, heddomeana, theohaldiana^ 
micro- sculpta^ and hrevicula (Pfr.), figured by Nevill, J. A. S. B. 1. pt. 2, 
pp. 158 & 159, pi. vii. figs. 1-6. 
Acmella hungerfordiana^ sp. n., id. 1. c. p. 143, pi. vii. fig. 11, Guimaras, 
Philippines. 
Helicinid.®. 
Hydrocena hachmanni^ sp'. n., Gredler, JB. mal. Ges. viii. p. 114, pi. vi. 
