Ariolimax columbianus (Gould). 



Fig.; Binney, Manual 1885, p. 98, fig. 58, 60. 



Syn. Ariolimax Columbianus var. straminea Hemphill, 

 Naut. IV, 1891, p. 120. 



Upper Sonoran-Humid Transitional. 



British Columbia to Channel Islands. 



Santa Barbara (J. G. Cooper) fide Dall ; El Montecito (L. 

 G. Yates) fide Yates; Santa Cruz Island (II. Hemphill) fide 

 Pilsbry. 



ENDODONTIDAE. 



Pyramidula cronkhitei (Neweomb). 



Fig.; P. (striatella var. ?) cronkhitei Binney, Manual, 

 1885, p. 70, fig. 30. 



Canadian, Transitional; reported, probably erroneously, 

 from the Upper Sonoran. 



Alaska east to Nevada, south to San Bernardino Moun 

 tains, California, and Chiricahua Mountains, Arizona. 



Bluff Lake Cienaga, San Bernardino Mountains (S. S. 

 Berry, Miss N. G. Spaulding) fide Berry. 



Punctum californicum (Pilsbry). 



Fig. ; Pilsbry and Ferriss, Proc. Phila. Acad. Nat. Sei., 

 1910, p. 134, fig. 28. 



Upper Sonoran, Transition, Canadian. 



Coast Range, Southern Sierra Nevada, and San Bernar- 

 dino Mountains, California, to Chiricahua Mountains, Arizona. 



Bluff Lake Cienaga, San Bernardino Mountains (S. S. 

 Berry, Miss N. G. Spaulding) fide Berry. 

 Punctum conspectum (Bland). 



Fig.; Zonites conspectus Binney, Manual, 1885, p. 86. 

 fig. 51. 



Syn. P. conspectum pasadenae Pilsbry, Naut. X, 1896, 

 p. 21. 



Upper Sonoran, Transitional, Canadian. 



Pasadena (D. Arnold) fide Pilsbry; Bluff Lake Cienaga, 

 San Bernardino Mountains (S. S. Berry) fide Berry; Green 

 Valley, San Bernardino Mountains (S. S. Berry) fide Berry; 

 old gold mines, Cuyamaea Mountains (H. Hemphill) fide 

 Cooper. 



SUCCINEIDAE. 



Succinea grosvenori (Lea). 



Fig. ; Binney, Manual, 1885, p, 344, fig. 372b. 



Not before reported from so far to the southwest. The 

 species has not as yet been obtained in the coastal streams, but 

 may be expected to turn up there. 



Upper Sonoran. 



Great Slave Lake east to Mississippi, south to Texas, and 

 west to Utah, Colorado, and the Salton Basin of California. 



Vandeventer 's Flat, head of Palm Canon, San Jacinto Moun- 

 tains (H. Hannibal). 



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