424 



REPORT OF NATIONAL MUSEUM, 1893. 



Fio-. 58. 



rOLOR PATTERN OF SIDK OF HEAD OF CKOTALUS ADAMANTEUS. 



Fig. 59. 



COLOR PATTERN OF SIDE OF HEAD OF CROTALUS 



CONFLUEI^TUS. 



Fig. 60. 



COLOR PATTERN OF SIDE OF HEAD OF CROTALDS 

 LUCIFER. 



Fig. 61. 



DIAGRAM OF LOW 



ROSTRAL. 



A Height; ■w width. 



n.sl-r,' 



Fig. 62. 



HEAD OF CROTALUS LEPIDUS FROM SIDE. 



(Sen exi>lanatioii at' Fig. 55.) 



Fig. 63. 



DIACRAJI OF HKiH ROSTRAL. 



h Hei"lit: w width. 



The I)og-i-acei) Eattlksnake. 



Crotaliis molossiis,* Baird &. (lirnrd. 



PI. 8. 



1853. — Crotalus molossus, Baird and Girard, N. Am. Serp., p. 10. — Baird, Mex. 



Bound. Surv., ii, Eept., i>. 14 C1859). — Cope, Proc. Pliila. Acad., 1859, p. 



338.— Cope, Bull. U. S. Nat. Mus., No. 1, p. 33 (1875).— Cope, iu Wheeler's 



Surv. W. 100 Mer., v, p. 533 (1875).— Cope, Proc. Phila. Acad., 1883, p. 



12.— Cope, Proc. U. S. Nat. Mus., xiv, 1891, p. 689 (1892).— Yarrow, Bull. 



U. S. Nat. Mus., No. 24, pp. 12, 78 (1883).— Carman, Rept. Batr. N. Am., 



I, Ophid., p. 113, (1883). — Caud'tsonn molossus, Cope, iu Mitchell's Res. Ven. 



Eattlesu., p. 124. (1861).— Cope, Proc. Phila. Acad., 1866, i)p. 307,308.— 



CoUES, in Wheeler's Surv. W. 100 Mer., v, p. 605 (1875). 

 18.54. — Crotalus ornatus, Hallo well, Proc. Phila. Acad., 1854, (p. 192). — Hal- 



LOWELL, Pac. R. R. Rep., x, Parke's Route, p. 23 (1859). — Cope, Proc. 



Phila. Acad., 1859, p. 338. 

 1883. — Crotalus durissus, var. molossus, Garman, Rept. Batr. N. Am., i, Ophid., 



p. 171. 

 Figures.— Bairv, Mex. Bound. Surv., ii, Rept., pi. ii (1859). — Baird, Pac. R. R. 

 Rep.,x, Rept., pi. xxiv, fig. 5. — Hallowell, Pac. R. R. Rep., x, pi. ii (1859). 



* From the Greek jio?U)aa6g or Latin molossus, the Molossian wolfdog, bulldog. 



