424 



REPORT OF NATIONAL MUSEUM, 1893. 



Fig. 58. 



COLOR PATTERN- OF SIDE OF HEAD OF CKOTALL.S AUAMA.NTEUS. 



Fig. 59. 



COLOR PATTERN OF SIDE OF HEAD OF CROTALl•^ 

 CO-\FLl'EI>"Trs. 



Fig. 60. 



COLOR PATTERN OF SIDK OF HEAD OF CROTALUS 

 LUCIFER. 



Fis. 61. 



DIAGRAM OF LOW 

 ROSTRAL. 



h Height ; v width. 



Fig. 6J. 



HEAD OF CROTALUS LEPIDUS FROM SIDE. 



(See explanation of Fig. 55.) 



Fig. 63. 



DIAGRAM OF HIGH ROSTRAL. 



h Heiglit; w width. 



TiiK J)<>(;-i-ACEi> Rattlksnake. 



Crotahis molossiix.^ Baird & Girarcl. 



PI. s. 



1853.— C'ro/o/i/s nwlossiis, Baird and Gihaud, N, Am. Serp., p. 10. — Bairp, Mex. 



Bound. Suit., ii, Rept., p. 14 (1859).— Cope, Proc. Phila. Acad., 1859, p. 



338.— CoPK, Bull. U. S. Nat. Mns., No. 1, p. 33 (1875).- Cope, in 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. 089 (1892).— Yarrow, Bull. 



U. 8. Nat. Mus., No. 24, pp. 12, 78 (1883).— Garmax, Rept. Batr. N. Am., 



I, Ophid.jp. 113, (1883). — Caiidisoiid molossus, Cope, in Mitchell's Res. Yen. 



Rattiesu., p. 124, (1861).— Copk, Proc. Phila. Acad., 1866, pp. 307,308.— 



CoUES, in ^Yheeler's Surv. "VY. 100 Mer., v, p. 605 (1875). 

 18.54. — CroUdus ornaius, Hallowell, 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.— C'ro/rt/«s durissus, var. molossus, Gar.man, Rept. Batr. N. Am., i, Ophid., 



p. 171. 

 Figures.— T^A-iKi), Mex. Bound. Surv., ii, Rept., pi. ii (1859). — Baird, Pac. R. R. 

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



P'rom the Greek uoXuac6(: or I.,atin molossus, the Molossiau wolfdog, bulldog. 



