1922] Schmidt, Amphibians and Reptiles of Lower California 685 



Coluber anthonyi (Stejneger) 



Bascanion anthonyi Stejneger, 1901, p. 715. 

 Coluber anthonyi Stejneger and Barbour, 1917, p, 78, 

 Range. — Clarion Island, Revilla Gigedo Islands. 



Coluber barbouri Van Denburgh and Slevin 



Coluber barbouri Van Denburgh and Slevin, 19216, p. 9S. 



RANGE. — Confined (as far as known) to Espiritu Santo Island. Gulf of Cali- 

 fornia. 



Key to the Species of Coluber in Lower California (Exclusive of Insular 



Forms) 



1. No longitudinal light lines. Light brown above, with black nuchal bars (a 



melanistic phase occurs which is black or dark) C. flageUum piceus. 



Longitudinal light lines on the sides 2. 



2. Lateral stripe continuous and uniform to base of tail C. lateralis 



Lateral stripe interrupted anteriorly, faint posteriorly C. aurigulus. 



Salvadora hexalepis (Cope) 



Phymothyra hexalepis Cope, 1866a, p. 304. 



Salvadora hexalepis Stejneger and Barbour, 1917, p. 81. 



Range. — Arizona, southern California and Lower California. 



Lower Californian Records. — Cape St. Lucas, La Paz, Yarrow, 1882, p. 98; 

 Comondu, Agua Caliente, San Jose del Cabo, Sierra San Lazaro, Van Denburgh, 1895, 

 p. 147; San Pedro Martir Mt., Van Denburgh, 1896, p. 1005; Santa Anita, McLain, 

 1899, p. 3; Santa Rosalia, San Ignacio, Mocquard, 1899, p. 325; San Matias, Meek, 

 1905, p. 15; San Pedro, Buena Vista, Santiago, Miraflores, Todos Santos, Van Den- 

 burgh and Slevin, 1921a, p. 65. 



A single specimen of^this species (U. S. N. M. No. 64581, 9 ), was 

 collected by the Albatross Expedition at Miraflores. The total length 

 is 678 mm.; tail, 162 mm.; ventral plates, 198; subcaudals, 89;. dorsal 

 scales, 19-17-13; a small inferior loreal on each side below the true loreal. 



Two specimens in the Biological Survey collection are from 20 

 miles west of Santa Rosalia (U. S. N. M. No. 37517) and Todos Santos 

 (37518). 



Phyllorhynchus decurtatus (Cope) 

 Phimothyra decurtata Cope. 1868a, p. 310. 

 Phyllorhynchus decurtatus Stejneger and Barbour, 1917, p. 81. 



Range. — Lower California, north to Riverside County, California and Yuma, 

 Arizona. 



Lower Californian Records. — Northern Lower California, Cope, 1868a, p. 

 310; La Paz, Stejneger, 1890, p. 155. 



A study of the published records of the scale characters of this species 

 reduces the distinctive characters of P. browni Stejneger, from Tucson, 



