44 THE NAUTILUS. 
il INDEX TO CONCHOLOGISTS’ EXCHANGE. 
INDEX TO GENERA AND SPECIES IN THE CONCHOLOGISTS’ 
EXCHANGE, Vozs. I ann II. 
Amnicola porata, A. limosa, A. cincinnatiensis, A. parva, 
Anatina papyracea Say, é 
Anceyia Pilsbry, n. subg. (Pristina Ancey being preoe 
cupied in Vermes), ; : 
Ancylus fuscus Adams; Ancylus par alellus Hald., 
Angasella Ancey, n. subg., type Helix cyptopleuse Pfr. ; 
Australia, 
Angitrema armigera Say, A. verrucosa Raf, : 3 
Angrandiella Ancey, n. subg., type Helix agora 
Morelet ; Andes of Peru, ; 
Anodonta gibbosa Say and A. couperiana Lea, 
Anodonta edentula Say, 
Anodonta ferussaciana Lea, 
Anodonta imbecilis Say ; Anodonta grandis Say, 
Anodonta plana, A. corpulenta, A. suborbiculata, 
Arion subfuseus and Helix hispida var. fusca in York- 
shire, 
Atlantica Ancey, n. subg, type Helix semiplicata Pfr. ; ; 
Madeira, 
Averellia Ancey, n. subg. ,—Ccelospira Ancey non “Hall, 
Bathyaxis, Ancey, n. subg., type Ceeliaxis Layardi Ad. 
& Angas; Cape Colony, 
Bermudia, Ancey, n. subg., type Helix Burmudensis 
Pfr. : Bermuda, : 
Bertia, Ancey, n. subg., type Nanina cambodjiensis 
Reeve ; Indo-China, : 
Brazieri, Ancey, n. subg., type Helix velata Hombron 
et Jacq ; Caroline Isls., 
Bulimini found in Central oe 
Burtonia Bourg., 
Bythinia tentaculata Linné, 
Bythinella obtusa Lea, 
Calostropha, Ancey, n. subg., type Helix pee TPDs 
Canefri ; New Guinea, : : 
Campeloma subsolida, C. exilis, and C, “rufa, 
Carychium exiguum Say, . ‘ 5 1, 65); 
TL, Oe 
Il, 78 
II, 38 
II, 66 
Th 2, sie 
