194 
MOLLUSCA. 
Limnma reyneai^ sp. n., Paladilhe, Ann. Sci. Nat. (6) ii. art. 8, p. 4, 
pi. xxi. figs. 11-14, South France. 
Limncea virginiana (Lam.), = apadicea (Morelet, 1862), occurs in Siam 
and Cochin. China ; Morelet, Series Conch, iy. p. 279, pi. xiii. fig. 10. 
L.javanica (Hasselt), = succinea (Mouss., nec Desh.) = crosseana (Mab. 
& Mesle, 1866), Siam an^ Cochin China; id. 1. c. p. 277. 
Limncea mauritiana, Morelet, J. de Conch, xxiii. p. 33, Mauritius. 
Physa souanica, sp. n., Paladilhe, R. Z. (3) iii. p. 92, pi. ix. figs. 23-25, 
River Souani, near Tangiers. 
Planorhis centrogyratus^ sp. n., Tyrol, ressmannianua, sp. n., Transyl- 
vania, and clessini, var. clausulatus (Fer., Parr.), Heidelberg, Wester- 
lund, Nachr. mal. Ges. 1876, pp. 86 & 87. 
Planorhis dazuri (Morch), distinguished from spirorhis (Mull.), and 
recorded from Russia ; Clessin, JB. mal. Ges. ii. p. 37. 
Planorhis exustus (Desh., 1834) = indicus (Bens., 1837), =coroman- 
delicus (Fabr., Beck, 1837), = circumspissus (Morelet, 1862), Goa, 
Ceylon, Burma, and Cambodia ; P. compressus (Hutt.), the young state 
of which is P. saigonensis (Crosse & Fischer, 1863) ; P. diccelus (More- 
let, 1865, as Helix\ Siam ; Morelet, Series Conch, iv. pp. 274-277, the 
last pi. xii. fig. 8. 
Planorhis havayi^ sp. u., Crosse, J. de Conch, xxiii. p. 329, Guade- 
loupe. 
Segmentina armigera (Say) var. n. campestris, G. M. Dawson, Rep. Brit. 
N. Amer. Boundary Comm. 1876, p. 349, Red River Valley, &o. 
Carinifex ponsonhii^ sp. n., Edgar Smith, P. Z. S. 1875 [1876], p. 636, 
with woodcut, California. 
TJJLMOl^ATA OPEBOULATA. 
L. Pfeiffer has published the first part of a third supplement to his 
“ Monographia Pneumonopomorum,” containing copies of the original 
descriptions of all species published subsequently to the second supple- 
ment. The systematic arrangement is nearly the same as in the former 
volumes, with the intercalation of new genera and sub-genera as follows 
(the number signifying the amount of known species) ; — 
A. Opisthophthalma. 
Fam. 1. Aciculacea : gen. Acicula (Hartm.) 12, Geomelania (Pfr.) 
21, Chittya (Livesay) 1, Truncatella (Risso) a, montance, = Plan- 
diella (Guppy) 8, b, littoraUs, 64, Blanfordia (A. Ad.) 4. 
B. Ectophthalma. 
Fam. 1. Cyclostomacea. 
Sub-fam. Cyclotacea : Cyathopoma (Blanf.) 10, Cyclotus (Guild.) 
12, Opisthoporus (Bens.) 16, Mychopoina (Blanf.) 2, Rhio- 
stoma (Bens.) 6, Spiraculum (Pearson) 5, Pterocyclus (Bens.) 
26, Heterocyclus (Crosse) 1, Diadema (Pease) [pre-occupied 
among the Crustacea^ Echinoderms, and Lepidopteray = 
Garretia (Patel)] 3, Ccelopoma (A. Ad.) 1, Alycceus (Gray), 
a, Orthalycceus 26, b. Char ax (Bens.) 18, c, Dioryx (Bens.) 20, 
Hyhocystis (Bens.) 3. 
