192 



pore. Central nervous system peculiar by the unusually long 

 cerebral commissure and very short cerebro-visceral and cerebro- 

 pedal connectives." — Pilsbry. 



2952 Zacoleus Idahoensis Pilsbry. 



Pilsbry, Phila acad pr 1903:626. Meadows, Idaho (E. H. 

 Ashmun). 



2953 Holospira Ferrissi 



Pilsbry, 1. c. 1905:216. Huachuca Mts., Arizona (Ferriss). 



2954 Pilsbry, H. A.: 



Mollusca of the southwestern states. 1. c. 211-290. An im- 

 portant contribution on the genera Holospira, Ashmunella, Son- 

 orella and Oreohelix. The following are described. 



2955 Genus Oreohelix Pilsbry. 



Pilsbry, Phila acad pr 1905:268. Based on species of Helix, 

 Patula and Pyramidula of various authors. Type Helix strigosa. 



295G Oreohelix strigosa 



2957 Variety concentrata. Arizona. 



Based on Patula strigosa var. concentrata Dall. 



2958 Variety Huachucana. Arizona. 



2959 Variety Socorroensis. New Mexico. 



2960 Oreohelix barbata 



Cave Creek canyon, Chiricahua Mts., Arizona. (J. H. Ferriss). 



2961 Oreohelix Yavapai 

 Near Jerome, Arizona. 



2962 Variety Neomexicana. N. M. 



2963 Oreohelix Chiricahuana 

 Chiricahua Mts., Arizona (Ferriss). 



2964 Sonorella virilis 



2965 Variety circumstriata 



2966 Variety Huachucana 



2967 S: Hachitana Ashmuni 



Based on Sonorella Ashmuni Bartsch. 



2968 Variey Bowiensis. Bowie, Arizona. 



2969 Variety Rowelli. (Helix Rowelli Newc.) 



2970 S: Granulatissima parva. Arizona. 



2971 Variety Latior 



2972 Ashmunella angulata. Chiricahua Mts., Arizona. 



2973 Ashmunella Chiricahuana. Chiricahua Mts. 



2974 Variety Mogollonensis. N. M. 



2975 Ashmunella metamorphosa. Chiricahua Mts. 



2976 Ashmunella Ashmuni robusta 



2977 A: Thomsoniana pecosensis 



2978 A: Levettei angigyra. Huachuca Mts., Arizona. 



2979 Variety Heterodonta. Huachuca Mts., Arizona. 



2980 Variety Proxima. Chiricahua Mts., Arizona. 



2981 Ashmunella Mearnsi. N. M. 



2982 Ashmunella esuritor. Chiricahua Mts., Arizona. 



2983 Bartsch, Paul: 



The recent and fossil mollusks of the genus Cerithiopsis from 

 the west coast of America. U. S. natl mus pr 40:3271367 t 36-41. 



The recent and fossil mollusks of the genus Bittium from the 

 west coast of America. 1. c. 383-414, t 51-58. 



The following notes are taken from the above papers. 



2984 Cerithiopsis (Cerithiopsis) fatua 



Type locality: — Lower Pleistocene, Deadman's Island, Cal. 



