174 SYSTEMATIC LIST AND SYNONYMY, 
so LENOGLY PH A—Continued. . 
scales. Labials 16, the last large, three rows between them and the 
orbit. Seales in 25 rows, keels of outer row weaker. Ventrals 198. 
Subcaudals 26. Greyish-yellow, punctulate with brown. Dorsal 
spots about 42, lateral angles produced down the flank. Five black 
cross bands on the tail. A yellow band from the nasals to the upper 
borders of the hinder labials, Above this a brown band from the 
eye. : 
Lower California. 
War. ENYO). «=~ = FU Gav oOD Sotho oa oH oa os Sc 
Caudisona enyo Cope, 1861, Pr. Phil. Ac., 293, — 1866, Pr. Phil. Ac., 
309. Crotalus enyo Yarr., 1875, Wheeler’s Rep., V, 534; Cope, 1875, 
Checklist, 38. 
Internasals and frontals small, scale-like. Rostral low, equilateral. 
Nasal in contact with rostral. Numerous small scales in front of the 
pit. Labials 13 or 14, separated from @rbit by three scales. Infralab- 
ials 14 or 15. Seales in 23 rows, keels in outer two or three obsolete. 
Ventrals 166. Subcaudals 26. Light greyish-brown, shaded with 
yellow. A pair of small brown spots on vertex. A light band bor- 
dered with dark across the supraciliaries. A band from the eye over 
the last labial to the neck. A series of about thirty-three vertebral 
spots, longer anteriorly, broader posteriorly, and fusing with the lat- 
eral spots, forming vertical bands on the flanks. Belly yellow, mot- 
tled with darker. Resembles C. molossus in coloration. 
Lower California. 
CROTATUSSEXSUEASPMO: «suis 6 oe) 10) ye) (eel col eli we hisiMe te) t= sen ic mae 114 
Cedros Island. 
CrorTalLus HorRIDus “Banded Rattlesnake” ......+.-..-..-.. JID 
Crotalus horridus Linn., 1758, Syst., I, 214, — 1766, Syst., I, 372; Bonn., 
1790, Ophiol., 1, pl. 2, f. 3; Shaw, 1802, Zo6l., TIT, 317, pl. 88; Cuv., 
1817, R. An., II, 78, — 1836, R. An., I, 413; Guerin, 1829-38, Icon. 
R. An., Rept., 15, pl. 23, f. 2; Griffith, 1831, An. King., TX, 267; 
Gray, 1831, Syn. Rept., 78, mixed; LeC., 1853, Pr. Phil. Ac., 417; 
Cope, 1859, Pr. Phil. Ac., 338, — 1875, Checklist, 38; Yarr., 1875, 
Wheeler’s Rep., V, 534. Caudisona horrida Cope, 1861, Mitch. Res., 
122, — 1866, Pr. Phil. Ac., 309. Cuudisona durissa Laur., 1768, Syn. 
Rept., 93. Crotalus durissus Gmel., 1788, Syst. Linn., I, 1081, after 
Laur., mixed; Latr., 1801, Rept., III, 190; Daud., 1803, Rept., V, 304, 
pl. 68, f. 12; Harl., 1827, Jour. Phil. Ac., 368, — 1835, Med. Res., 132; 
Schleg., 1837, Essai, I, 192, II, 365, pl. 20, f. 15, 16; Storer, 1839, 
Rept. Mass., 233; Holbr., 1842, Herp., II, 9, pl. 1; DeK., 1842., 
N. Y. Fauna, IIT, Rept., 55, pl. 9, £. 19; B. & G., 1858, Serp., 1; LeC., 
1853, Med. Jour., 663; Bd., 1854, N. Y. Serp., 9, — 1859, P. R. R. 
Rep., X, Whipple, 39, pl. 24, f. 1; D. & B., 1854, Erp., VII, 1465; 
Mart., 1856, Mus. Berl., 34; Jan, 1859, Rev. Mag. Zodl., Extr., p. 28, 
1863, Sist., 128, — 1874, Icon., livr. 46, pl. 1, f. 1,2; Allen, 1869, 
Pr. Bost. Soe., 179 Crotalinus Cyanurus Raf., 1818, Am. Month. Mag., 
TU, 446, IV, 41. Urocrotalon durissus Fitz., 1843, Syst., 29, Urop- 
