13. PHRYNOSOMA 395 



low it directly, either rubs it to pieces on the earth or works 

 itself around it much as a snake does. A few drops of milk 

 placed in the cage seemed to be enjoyed by old and young 

 alike." 



Dr. Bryant also states that this subspecies mates in the 

 latter part of April and in May. A captive individual laid 

 its eggs the last of June. "The eggs hatch a few hours after 

 the eggs are laid. The eggs are from 15 to 20 millimeters 

 in length and are covered by a tough, semi-transparent mem- 

 brane. They vary in number from six to 14." 



79. Phrynosoma blainvillii frontale Van Denburgh 

 California Horned Toad 

 Plate 33 



Phrynosoma coronata Holbrook, N. Amer. Herpetology, Ed. i, Vol. 

 Ill, 1838, p. 65, pi. XI, & Ed. 2, Vol. II, 1842, p. 97, pi. XIII. 



Phymosorna coronatum Gir.'VRD, Stansbury's Exped. Great Salt Lake, 

 1852, p. 36, pi. VIII, figs. 7-12; Yarrow & Henshaw, Ann. Report 

 Chief of Engineers for 1878, Surv. W. looth Merid., Appendix NN, 

 1878, p. 225; Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, p. 70 

 (part); Boulenger, Cat. Lizards Brit. Mus., Vol. II, 1885, p. 243 

 (part); Gentry, Proc. Acad. Nat. Sci. Phila., 1885, p. 143 (part). 



Tapaya coronata Cooper, Proc. Cal. Acad. Sci., Vol. 4, 187c, p. 64. 



Phrynosoma blainvilki Cope, Bull. U. S. Nat. Mus., No. I, 1875, P- 49 

 (part); Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, p. 70 (part); 

 Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 423 (part); Dit- 

 MARS, Reptile Book, 1907, p. 152 (part). 



Phrynosoma blainvillii Stejneger, N. Amer. Fauna, No. 7, 1893, p. 

 187, pi. II, fig. 2. 



Phrynosoma frontalis Van Denburgh, Proc. Cal. Acad. Sci., Ser. 2, 

 Vol. 4, 1894, p. 296 (type locality. Bear Valley, San Benito 

 County, California). 



Phrynosoma Jrontale Van Denburgh, Occas. Papers Cal. Acad. Sci., V, 

 1897, p. 93; McLain, Critical Notes, 1899, p. 8; Meek, Field 

 Columbian Mus., Zool. Ser., Vol. VII, No. I, 1906, p. 12; Stejneger 

 & Barbour, Check List N. Amer. Amph. Rept., 1 917, p. 59. 



