THE NAUTILUS. 
INDEX TO CONCHOLOGISTS’ EXCHANGE. 
Cavicola, Ancey, n. subg., type aoe ©) eavicola 
45 
ili 
Gredler ; China, II, 39 
Ceronia arctata ‘Conrad, : hy, 89 
Chalepotaxis Ancey, n. subg., type Nanina ) infantilis 
Gredler ; China, ‘ 4 ie 22 
Chelidonura Rochebrune non Adams, ; EE 22 
Chelidonopsis Ancey, n. gen., Chelidonura Rochebrune 
being preoccupied, : TI, 22 
Chrysodon Ancey, n. subg., type Helix auridens Rang. ; 
Martinique, J, 54 
Coelospira Ancey, n. subg., type Helix Macneili Crosse ; 
Costa Rica, : ; iS 20, 26, 54 
Conomitra found living in the West Indies, IL, 9 
Corbula contracta Say, II, 61 
Coxia Ancey, n. subg., type Helix Macegre egori ‘Cox; 
New Ireland, 1 ergs 
Crystallopsis Ancey, n. subg., types H. Hunteri “Cox ; 
H. Allasteri Cox, ete.; Solomon Is., . ne? 
Cumingia tellinoides Conrad, ; ; II, 89 
Cypreea, a list of the rarer species, II, 54 
Cytherea Sayii Conrad and Cytheren (Gouldia) mactra- 
cea Linsley, : ‘ II, 109 
Ensatella americana Gould, II, 34 
Entodina Ancey, n. subg., type Helix Reyrei Souy erbie ; 
Ecuador, s I, 64 
Eurystyla Ancey, n. subg., types Helix cerina a Mor.; H. 
viridis Desh., : MA Gee's) 
Gastrodonta multidentata Ey, var. umbilicaris An- 
cey (n. var.), : J, 54 
Pidtackia ancyliformis Pfr. in Florida, II, 96 
Goniobasis costifera Hald., II, 94 
Helicina Durangoana Mouss. 1g a 
Helicina hanleyana Pfr., I, 21 
Helicina orbiculata Say, ae 8, 21, 21 
Helicina subtropica Jan. [Error tor H. tropica Jan.], 1, 8, 26 
Helix nemoralis in a new locality (Great Skellig Island), I, 1 
Helix commutanda Ancey (n. name for 7’r ivdopsis Har- 
fordiana W. G. ee non Helix mess as 
Cooper), : : : ; , (9,113 
