THE NAUTILUS. 45 
INDEX TO CONCHOLOGISTS’ EXCHANGE. ili 
Cavicola, Ancey, n. subg., type Streptaxis ©) eavicola 
Gredler ; China, : 4 ; 4 e II, 39 
Ceronia arctata Conrad, ‘ II, 89 
Chalepotaxis Ancey, n. subg., ty pe Nanina O infantilis 
Gredler ; China, : : : : Th.22 
Chelidonura Rochebrune non Adams, ¥ Lie2 
Chelidonopsis Ancey, n. gen., Chelidonura Rochebrune 
being preoccupied, ; II, 22 
Chrysodon Ancey, n. subg., type Helix auridens Rang. : : 
Martinique, I, 54 
Ccelospira Ancey, n. subg., type Helix Macneili Crosse : 
Costa Rica, : if 20, 26, 54 
Conomitra found living in the West Indies, : II, 9 
Corbula contracta Say, : II, 61 
Coxia Ancey, n. subg., type Helix Macgregori ‘Cox; 
New Ireland, . I, 75 
Crystallopsis Ancey, n. subg., types H. Hunteri ‘Cox: 
H. Allasteri Cox, ete. ; Solomon Is., . : ‘ iee22 
Cumingia tellinoides Conrad, : . 5 : , II, 89 
Cypreea, a list of the rarer species, II, 34 
Cytherea Sayii Conrad and o) therea (Coulda) mactra- 
cea Linsley, 4 : : : II, 109 
Ensatella americana Gould, ; II, 34 
Entodina Ancey, n. subg., type Helix Reyrei Souver bie ; 
Ecuador, . 2 I, 64 
Eurystyla Ancey, n. subg., ty pes Helix cerina Mor. petal. 
viridis Desh., ; : Nese 
Gastrodonta multidentata Binney, var. umbilicaris An- 
cey (n. var.), : é : I, 54 
Gundlachia ancy liformis Pfr. in Florida, ; F 3 if; 96 
Goniobasis costifera Hald., . : i II, 94 
Helicina Durangoana Mouss. : : : ; : hie eS 
Helicina hanleyana Pfr... : : I, 21 
Helicina orbiculata Say, gos Ziel 
Helicina subtropica Jan. [Error tor H. tropica Jan. i 1, 83-26 
Helix nemoralis in a new locality (Great Skellig Island), Te t2 
Helix commutanda Ancey (n. name for Trivdopsis Har- 
fordiana W. G. = non Helix er nupa 
Cooper), . a Ll; 79S 1S 
