HERPETOLOGY OF ZUNI MOUNTAINS — GEHLBACH 321 



in the San Juan Basin of northern San Juan County, New Mexico, 

 and adjacent Colorado was offered by Dean and Stock (1961). 



New evidence for considering Diadophis dugesi as a subspecies of 

 D. punctatus wsls presented by McCoy (1964), who recorded a female 

 from Durango, Mexico. His specimen is intermediate between the 

 subspecies D. p. regalis and D. p. dugesi in ventral count (212) but 

 resembles the latter in number of subcaudals (68) and dorsal scale 

 rows (17-17). As I have shown, number of ventral scales is the most 

 diagnostic feature separating southwestern and Mexican races of 

 ringneck snakes. 



Dean and Stock (1961) reported Crotaphytus collaris auriceps in 

 extreme northern San Juan and Rio Arriba Counties, New Mexico 

 (San Juan Basm). If C. c. auriceps is indeed recognizable, then Zuni 

 specunens seem to show a slight relationship with this form based on 

 labial counts. It would be desirable to pursue other meristic features 

 that might distinguish C. c. auriceps. 



A brief report by Maslin (1962) on all-female species of Cnemidopho- 

 rus includes C. velox. The possibility of parthenogenesis is suggested; 

 and two males of C. velox, possibly the ones I examined and thought 

 close to C. inornatus, are mentioned. Maslin also considers their 

 allocation questionable. 



Harris (1963) contributed data on the ecological distribution 

 of reptiles and amphibians in the San Juan Basin. He recorded 

 Scaphiopus bombifrons and Cnemidophorus inornatus in San Juan 

 County, New Mexico, and elaborated other records contained herein 

 and attributed to him. That the taxonomic relationships of S. 

 bombifrons with *S'. inteimontanis and C. velox with C. inornatus need 

 investigation becomes increasingly apparent. 



liiterature Cited 

 Anderson, J. D. 



1960. Sioreria storerioides in western Mexico. Herpetologica, vol. 16, 

 pp. 63-66. 

 Antevs, E. 



1954. Climate of New Mexico during the last glacio-pluvial. Journ. Geol., 

 vol. 62, pp. 182-191. 



AXELROD, D. I. 



1948. Climate and evolution in western North America during middle 



Pliocene time. Evolution, vol. 2, pp. 127-144. 

 1950. Evolution of desert vegetation in western North America. In 



Studies in late Tertiary paleobotany, Carnegie Inst. Washington 



Publ. 590, pp. 215-306. 

 1958. Evolution of the Madro-Tertiary Geoflora. Bot. Rev., vol. 24, pp. 



433-509. 



AXTELL, R. W. 



1958. A monographic revision of the iguanid genus Holbrookia. Ph.D. 

 dissertation, Univ. Texas, 260 pp. 



