124 THE NAUTILUS. 



I now offer a complete list of the land shells, their varieties, and 

 their range over these islands, as far as I know or have collected 

 them myself, with the single exception of Helix ayresiana, from San 

 Miguel Island : 



Selenites Durantl Newc. Santa Barbara, San Clemente Islands. 



Selenites Duranti catalinensis Hemph. Santa Catalina Island. 

 . Zonit.es Sfiepardi Hemph. Santa Catalina Island. 



Ariolimax columbianus stramineus Hemph. Santa Cruz Island. 



Binneya notabilis J. G. Cooper. Santa Barbara Island, recent and 

 sub-fossil. 



Helix ayresiana Newc. San Miguel, Santa Rosa, Santa Cruz 

 Islands. 



Helix intercisa W. G. Binn., with varieties minor Hemph., eleyans 

 Hemph., nepos Hemph., albida Hemph. San Clemente Island. 



Helix Tryonii Newc. Varieties varius Hemph., nebulosa Hemph., 

 fasciata Hemph., calif ornica Hemph., albida Hemph., maculata 

 Hemph. Santa Barbara Island. 



Helix Tryonii var. major Hemph., minor Hemph. San Nicolas 

 Island. 



Helix Tryonii 'var. subcarinata Hemph. Santa Barbara Island. 



^ * % % * ;fc :(: 



Helix ruficincta Newc. Santa Catalina Island. 



Helix ruficincla feralis Hemph. San Nicolas, Santa Barbara 

 Islands. 



Helix ruficincla Gabbi Newc. Santa Catalina, San Clemente 

 Islands. 



Helix ruficincta facta Newc. Santa Barbara Island. 



Helix ruficincta catalince Dall. Santa Catalina, Santa Barbara 

 Island. 



Helix ruficincta sodalis Hemph. 



Helix kelletti Fbs. Varieties (a) castaneus Hemph., nitidus 

 Hemph., multilineata Hemph., frater Hemph., californica Hemph., 

 Forbesii Hemph., bicolor Hemph. Santa Catalina Island. 



Helix kelletti var. redimita W. G. Binn., hybrida Hemph., (b) 

 castaneus Hemph., clementina> Dall. San Clemente Island. 



Pupa c.lementina Sterki. San Clemente Island. 



Pupa californica catalindria Sterki. Santa Catalina Island. 



Pupa californica elongata Sterki. San Clemente Island. 



