42 Univt rsity of California Publications in Zoology [Vol. 12 



are black, the cross-bar of black touches the parietals. the yellow 

 cross-bars number thirty-six. The dorsal scale rows are 21-19-17. 

 This species is limited to the Transition zone. 



Rhinocheilus lecontei Baird and Girard 

 Long-nosed Snake 



Distribution: Cabezon, 1700 feet, no. 144; Dos Palmos Spring, 

 3500 feet, no. 228. 



No. 144 is typical in the red coloration with much black and white 

 splitting'. It has 207 gastrosteges and 36 single urosteges followed by 

 2 sets of alternately divided and single and by 13 divided ones. Dor- 

 sal scale rows are 23-21-19. No. 228 is large in size and of dark 

 brown and white coloration with no red and no markings on the 

 sides between the brown patches. It has 214 gastrosteges and 42 

 urosteges followed by 10 double ones. Dorsal scale rows are 25-23- 

 21-19. 



This species seems to be restricted to Lower Sonoran. 



Hypsiglena ochrorhynchus Cope 



Spotted Night Snake 

 While this form was not found in 1908 or 1912, it is reported (Van 

 Denburgh, 1897, p. 180) from Strawberry Valley, 5000 feet, and 

 from San Jacinto. 



Salvadora grahamiae Baird and Girard 

 Patched-nosed Snake 

 Distribution : Banning, 2200 feet, no. 145. This specimen is rather 

 dark with broad dark bands. Dorsal scale rows are 17-15-13. 



From previous records this species seems associated with arid 

 areas in Lower and possibly Upper Sonoran zones. 



Bascanion flagellum frenatum Stejneger 



Red Racer 



Distribution : Cabezon, 1700 feet, nos. 2, 3 ; Palm Canon. 800 feet, 



no. 237. Another was also seen at Cabezon and another seen with 



mi. 2:57 near the stream which comes from Murray Canon into Palm 



Canon. 



Dorsal scale rows of nos. 2. 3 are 17-15-13-12 and in the case 

 of no. 237. 17-15-13-12-11. 



The red racer is a desert snake. 



