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 Duranti Newc. Santa Barbara, San Clemente Islands. 



Selenites Duranti catalinensis Hemph. Santa Catalina Island. 



Zonites Shepardi Hemph. Santa Catalina Island. 



Ariolimax columbianus sfnnnineus Hemph. Santa Cruz Island. 



Binneya noldbilis 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., filbida Hemph. San Clemente Island. 



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

 fasciata Hemph., californica 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. 

 ******* 



Helix ntficincta Newc. Santa Catalina Island. 



Helix ruficincta feralis Hemph. San Nicolas, Santa Barbara 

 Islands. 



Helix ruficincta Gabbi Newc. Santa Catalina, San Clemente 

 Islands. 



Helix ruficincta facta Newc. Santa Barbara Island. 



Helix ruficincta catalmce Dall. Santa Catalina, Santa Barbara 

 Island. 



Helix mficincta sodalis Hern ph. 



******* 



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

 Hemph., multilineata Hemph., f rater Hemph., californica Hemph., 

 Forbcsii Hemph., bicolor Hemph. Santa Catalina Island. 



Helix kelletti var. redimita W. G. Binn., hybrida Hemph., 

 castaneus Hemph., elementing Dall. San Clemente Island. 



Pupa clementina Sterki. San Clemente Island. 



Pupa californica catalinaria Sterki. Santa Catalina Island. 



Pupa californica elongata Sterki. San Clemente Island. 



