8. CALLISAURUS 153 



CaJlisaurus ventralis, Baird, U. S. Mex. Bound. Surv., Vol. II, 1859, 

 p. 8; Baird, Rep. Pac. R. R. . urv., Vol. X, 1859, p. 17; Cope, 

 Proc. Acad. Nat. Sci. Phila., 1866, p. 310; Cooper, Proc. Cal. 

 Acad. Sci., Vol. IV, 1870, p. 67; Stejneger, N. Amer. Fauna, 

 No. 7, 1893, p. 170; Van Denburgh, Proc. Cal. Acad. Sci., Ser. 2, 

 Vol. 5, 1895, p. 97 (part); Van Denburgh, Proc. Cal. Acad. Sci., 

 Vol. 6, 1896, p. 339; Van Denburgh, Occas. Papers Cal. Acad. 

 Sci., V, 1897, p. 48, fig.; Van Denburgh, Proc. Acad. Nat. Sci. 

 Phila., 1897, p. 461; McLain, Critical Notes, 1899, p. 2; Meek, 

 Field Columbian Mus. Nat. Hist., Zool. Ser., Vol. VII, 1906, p. 7; 

 Ruthven, Bull. Amer. Mus. Nat. Hist., Vol. XXIII, 1907, p. 518; 

 Stone, Proc. Acad. Nat. Sci. Phila., 191 1, p. 225; Van Denburgh, 

 Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 1912, pp. 148, 152, 153; 

 Van Denburgh & Slevin, Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 

 1913, p. 400; Atsatt, Univ. Cal. Publ. ZooL, Vol. 12, No. 3, 

 1913, p. 33; Van Denburgh & Slevin, Proc. Cal. Acad. Sci., Ser. 

 4, Vol. 4, 1914, pp. 132 (part), 145; Richardson, Proc. U. S. Nat. 

 Mus., Vol. 48, 1915, pp. 409, 410; Van Denburgh & Slevin, 

 Proc. Cal. Acad. Sci., Ser. 4, Vol. 5, No. 4, 1915, p. 100. 



? Callisaurus dracontoides gabbii Cope, Bull. U. S. Nat. Mus., No. 1, 

 1875, D. 47; Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, pp. 9, 

 189; Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 272 (type 

 locality. Northern Lower California, Mexico). 



Callisaurus dracontoides ventralis Cope, Bull. U. S. Nat. Mus., No. 1, 

 1875,p. 47; Yarrow, Surv. W. 100th Merid., Vol. V, 1875, p. 365; 

 CouES, Surv. W. 100th Merid., Vol. V, 1875, p. 600; Yarrow & 

 Henshaw, Ann. Rep. Chief of Engineers for 1878, Surv. W. 100th 

 Merid., Appendix NN, 1878, p. 220; Yarrow, Bull. U. S. Nat. 

 Mus., No. 24, 1883, pp. 5, 51; Cope, Report U. S. Nat. Mus. for 

 1898, 1900, pp. 272, 273, fig. 25 (part). 



Callisaurus draconoides Boulenger, Cat. Lizards Brit. Mus., Vol. II, 

 1885, p. 206; Ditmars, Reptile Book, 1907, p. 117, pi. XXXVIII. 



Callisaurus ventralis ventralis Camp, Univ. Cal. Pubis. Zool., Vol. 12, 

 No. 17, 1916, pp. 508, 519; Camp, Univ. Cal. Pubis. Zool., Vol. 

 17, No. 7, 1916, p. 70; Grinnell & Camp, Univ. Cal. Pubis. 

 Zool., Vol. 17, No. 10, 1917, p. 151; Stejneger & Barbour, 

 Check List N. Amer. Amph. Rept., 1917, p. 47; Cowles, Journ. 

 Entomol. & Zool., Pomona College, Vol. XII, No. 3, p. 64; Van 

 Denburgh & Slevin, Proc. Cal. Acad. Sci., Ser. 4, Vol. XI, 1921, 



