INDEX 



TO 



THE NAUTILUS, XXXIII 



INDEX TO TITLES, GENERA AND SPECIES. 



Acella haldemani White 



Achatinella buddi 



Achatinella cestus 



Achatinella montaguei 



Achatinella phaeozona 47, 92 



Achatinella viridans 56 



Adula diegensis 65 



Alaska, Mollusca of Forrester Island 21 



Amnicola winkleyi leightoni Baker, n. subsp 125 



Ampullaria (Felipponea) neritinifonnis Dall, n. sp 10 



Ancylus obscurus Haldemaii and species referred to it ... 99 



Anodontoid.es ferussacianus Lea in Colorado 142 



Argonaiita compressa Blainv. (PL II) 75 



Argonaiita nodosa Sol 76 



Argouauta, some large specimens of 74 



Arizona, shells from the Chiricahua Mts 70 



Auriciilidge and Planorbidae from Panama 76 



Buccinidae 144 



Bulimulus nigromontanns Dall 20 



Caecum orcutti Dall 63 



California, shells of La Jolla 62 



Camaena forbesi W. F. Clapp, n. sp. (PI. I) 28 



Cerithidea sculariformis Say 6 



Cerion, breeding experiments 142 



Clausilia, a new Chinese 53 



Clausilia (Enphaedusa) steetzneri Pils 53 



Climatic conditions as indicated by land shells on the 



Island of Oahu ' 89 



Coeloeentmm gigas v. Martens 79 



iii 



