692 13. COLUBRID# 
(Panamint Mountains, Maturango Spring and Shepherd 
Canyon in the Argus Range, Amargosa Borax Works), Los 
Angeles (Arroyo Seco near Pasadena, San Gabriel Moun- 
tains, Sierra Madre), San Bernardino (Ontario, Lytle 
Creek, and near San Bernardino), Riverside (San Jacinto, 
San Jacinto Mountains, Riverside, Banning at 2200 feet, 
Riverside Mountain Colorado River); San Diego (Valle de 
las Viejas) and Imperial (10 miles east from Holtville, 
Cane Spring), counties. 
Habits —Almost nothing is known of the habits of this 
snake. They probably resemble those of the racers. One 
was found partly buried in sand. Grinnell and Grinnell 
note: 
In August one was found climbing with agility through 
wild lilac bushes; when pursued it took refuge in a scrub 
oak where it poised rigid along a branch and among some 
adjacent leaves. 
Dr. Coues mentions one, secured at Fort Whipple, 
which had eaten a whip-tailed lizard (Cnemidophorus). 
Genus 30. Phyllorhynchus 
Phyllorhynchus STEJNEGER, Proc. U. S. Nat. Mus., Vol. XIII, 1890, 
p- 151 (type, drocwni); Cope, Report U. S. Nat. Mus., for 1898, 
1900, p. 821. 
Lytorhynchus BouLENGER, Cat. Snakes Brit. Mus, Vol. I, 1893, p. 414 
(part). 
The body is rather small, with short tail. The head is 
a little broader than the neck. The rostral plate is very 
much enlarged, has free lateral borders, and is produced 
backward on the upper surface to the prefrontals, com- 
pletely separating the internasals. The nasal plates are dis- 
tinct. Loreals are present. The supralabials are separated 
from the eye by suboculars. The scales are keeled or smooth, 
without pits. The anal plate is divided. Urosteges are in 
