

The Nautilus. 



Vol.. XIV. DECEMBER, 1900. No. S. 



KECORDS OF MOLLTJSCA FROM NEW MEXICO. 



BY II. A. P1LSBRY AND T. D. A. COCKERELL. 



The Mollmca of the Sandia Mis., New Mexico. 



Nothing has hitherto been reported concerning the mollusca of the 

 Sandia Mountains, near Albuquerque, so it may he well to enum- 

 erate a small collection made there by Miss Maud Ellis, and submit- 

 ted to us for determination. The precise locality is Las Huartus 

 Canon, alt. 8-9000 ft. Tlie species are similar lo those of the Colo- 

 rado mountains, and the Sandia-, so far as our present knowledge 

 goes, marks the southern limit of this fauna as a whole, though 

 certain of its members extend much further south. 

 Vitrina pfeitferi Newc. Pyramidula cockerelli Pils. 



Euconulus fulvus (Drap.). P. cockerelli mut. viridula (Ckll.). 1 



Zonitoides arboreus (Say). Vallonia cyclophorella Ancey. 



Z. minusculus (Binney). Pupa blandi Morse. 



Thysanophora ingersolli (Bland). Bifidaria pilsbryana Sterki. 

 Pyramidula strigosa (?) Young. 



Miss Ellis also collected Helicodiscus UnecUus (Say) in the Sandia 

 Mts., but the exact locality is forgotten. The young Pyramidula 

 doubtfully listed as strigosa may be a form of P. hemphilli.. No 

 Ashmunella was found. 



It is somewhat surprising that the Euconulus of New Mexico is not 

 the Texan race, but the Northern fulvus. 



Nautilus, 1890, p. 102, the pale greenish form. T. D. A. C. 



