INDEX 



TO 



THE NAUTILUS, XXVII. 



INDEX TO SUBJECTS, GENERA AND SPECIES. 



Achatinellidae of Oahu, Two new 



Acmsea fergusoni in Connecticut . . . . .72 



Alasmidonta undulata . . . . . . .23 



Aldrich collection ...... 



Amastra, a new sinistral ... . .68 



Amastra montagui Pils, n. sp. . . 39 



Amastra pilsbryi Cooke, n. sp. . . . . .65 



Ancylidffi of North Africa, note on the (PI. VII) . 113, 124 

 Ancylastrum ...... . 124 



Ancylus clessini ..... . 127, 128 



Annularia pseudalatum Torre (PI. Ill, figs. 8, 9) . .37 

 Annularia ramsdeni P. & H. (PI. Ill, figs. 5, 6) . 37 



Aporemodon, a remarkable new Pulmonate genus . . 24 

 Arangia sowerbyana Pfr. ..... .11 



Arizona, camps in the Catalines and White Mts. . 60, 109 

 Ashmunella pilsbryana Ferriss n. sp. . . . . 109 



Brachypodella insulse cygni Clapp sp. nov. (PI. VI, fig. 10). 99 

 Cardium (Trigoniocardia) galvestonense Harris (PI. VI) . 102 

 Ceratodiscus ramsdeni Pils, n. sp. . . . . 134 



Cerion (Strophiops) biminiensis Hend. & Clapp, n. sp. 



(PI. IV, figs. 9, 10) ._ . . 64 



Cerion sagraianum in South Africa ..... 143 

 Charonia Gistel, a generic name for Triton tritonis . . 56 

 Choanoporna caribbseum Clapp, sp. nov. (PI. VI, figs. 3, 4). 100 

 Choanopoma (Ramsdenia) mirifica Preston, a synonym of 



C. nobilitatum Gundl. . . ... 72 



Chondropoma carenasense P. & H. (PI. Ill, fig. 4) . 37 



Chondropoma garcianum Torre (PI. Ill, figs. 2, 3) . . 37 

 Chondropoma wilcoxi P. & H. (PL III, fig. 1) 37 



Clausilia emersoni Pilsbry n. sp. (PL IV, figs 1-5) . . 66 

 dementia obliqua Jukes-Browne, note on ... 103 



(iii) 



