4. DIPSOSAURUS 73 



6. Dipsosaurus dorsalis dorsalis (Baird & Girard) 



NORTHERN CRESTED LIZARD 



Plate 2. 



CrotapAytus dorsalis BAIRD & GIRARD, Proc. Acad. Nat. Sci. Phila., 

 1852, p. 126 (type locality, Desert of Colorado, Cal.). 



Diposaurus dorsalis HALLOWELL, Proc. Acad. Nat. Sci. Phila., Vol. 7, 

 1854, p. 92; BAIRD, U. S. Mex. Bound. Surv., Vol. II, 1859, Kept., 

 p. 8, pi. XXXII, figs. 7-13; HALLOWELL, U. S. Explor. Surv. Pac. 

 R. R., Vol. X, Pt. 4, 1859, p. 7, pi. VI, fig. 1; COPE, Proc. Acad. 

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

 Vol. IV, 1870, pp. 67, 76 j BOCOURT, Miss. Sci. Mex., Rept. 1874, 

 p. 146; COPE, Bull. U. S. Nat. Mus., No. 1, 1875, p. 48; COUES, 

 Surv. W. 100th Merid., Vol. V, 1875, p. 599; YARROW & HEN- 

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

 Merid., Appendix NN, 1878, p. 221; LOCKINGTON, Amer. Natur- 

 alist, Vol. XIV, 1880, p. 295; YARROW, Bull. U. S. Nat. Mus., 

 No. 24, 1883, p. 54 (part); BOULENGER, Cat. Lizards Brit. Mus., 

 Vol. II, 1885, p. 201 (part); TOWNSEND, Proc. U. S. Nat. Mus., 

 1890, p. 144; STEJNEGER, N. Amer. Fauna, No. 7, 1893, p. 164; 

 VAN DENBURGH, Proc. Cal. Acad. Sci.,Ser. 2,Vol. 5, 1895, p. 92 (part) ; 

 VAN DENBURGH, Occas. Papers Cal. Acad. Sci., V, 1897, p. 44, fig.; 

 MOCQUARD, Nouv. Arch. Mus. Hist. Nat. Paris, Ser. 4, Vol. 1, 1899, 

 p. 301; McLAiN, Critical Notes, 1899, p. 2; COPE, Report U. S. 

 Nat. Mus. for 1898, 1900, p. 243, fig. 18 (part); VAN DENBURGH, 

 Proc. Cal. Acad. Sci., Ser. 3, Zool., Vol. 4, 1905, pp. 3, 24; MEEK, 

 Field Columbian Mus., Zool. Ser., Vol. VII, No. 1, 1906, p. 4; 

 STONE, Proc. Acad. Nat. Sci. Phila., 191 1, p. 224; VAN DENBURGH, 

 Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 1912, p. 152; ELLIS & HENDER- 

 SON, Univ. Colorado Studies, Vol. X, No. 2, 1913, p. 63; VAN DEN- 

 BURGH & SLEVIN, Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 1913, p. 398; 

 VAN DENBURGH & SLEVIN, Proc. Cal. Acad. Sci., Ser. 4, Vol. 4, 

 1914, pp. 132, 145; CAMP, Univ. Cal. Publs., Zool., Vol. 12, No. 17, 

 1916, p. 515; GRINNELL & CAMP, Univ. Cal. Publs. Zool., Vol. 17, 

 No. 10, 1917, p. 150; STEJNEGER & BARBOUR, Check List N. Amer. 

 Amph. Rept., 1917, p. 44; COWLES, Journ. Entomol. and Zool., 

 Pomona College, Vol. XII, No. 3, 1920, p. 63; STEPHENS, Tram. 

 San Diego Soc. Nat. Hist., Vol. Ill, No. 4, 1921, p. 61. 



