SYSTEMATIC LIST AND SYNONYMY. a lysal 
SOLENOGLY PH A—Continued. 
Mitch. Res., 120, — 1866, Pr. Phil. Ac., 308. Crotalus horridus Lair., 
1801, Rept., III 186; Daud., 1805, Rept., V, 311; Max., 1824, Beitr. 
Bras., I, 435, — 1827, Abbild. Bras., lief. 11, pl. 4; Fitz., 1826, Neue 
Class., 63; Wagl., 1880, Amph., 176; Schleg., 1837, Essai, IT, 561, pl. 
20, f. 12-14; Gray, 1849, Cat., 20 (mixed); D. & B., 1854, Erp., VII, 
1472, pl. 84 bis, f. 2; Mart., 1856, Mus. Berl., 34; Jan, 1859, Rey. & 
Mag. Zobl., Extr., p. 28, — 1863, Sist., 124, — 1874, Icon., livr. 46, pl. 
3, f. 1-2. Caudisona terrifiea Laur., 1768, Syn. Rept., 93; Cope, 1861, 
Mitch. Res., 120, — 1866, Pr. Phil. Ac., 808. Crotalus terrificus Yar- 
row, 1875, Wheeler’s Rep., V, 532. Crotalus cascavella Wagl., 1824, 
Spix. Bras. Serp., 60, pl. 24, — 1830, Syst., 176. Crotalus simus Latr., 
1801, Rept., IIT, 202; Daud., 1803, Rept., V, 321. Crotalus loeflingit 
Ifumb., 1833, Recueil d’Obs. Zool. p. 6; Cope, 1861, Mitch. Res., 120. 
Le Boiquira, p. 390, and Le durissus, p. 423, LaC., 1739, Serp., I, text 
only. 
Brazil to Mexico. 
Wei, DORCSIRe GS AUB ero Qe 6 © dD Gn04 oN. Ouo yuo 0 wo OMe yee oe OE} 
Crotalus molossus B. & G., 18538, Serp., 10; D. & B., 1854, Erp., VII, 1482; 
Bd., 1859, Mex. Bound., II, Rept., 14, pl. 8, — 1859, P. R. R. Rep., X, 
Rept., pl. 24, £. 5; Cope, 1859, Pr. Phil. Ac., 338, — 1875, Checklist, 
33; Yarrow, 1875, Wheeler’s Rep., pp. 531, 583; Coues, 1875, Wheel- 
er’s Rep., V, 605. Carclisona molossus Cope, 1861, Mitch. Res., 124, — 
1866, Pr. Phil. Aec., 308. Crotalus ornatus Wall., 1854, Pr. Phil. Ac., 
192, — 1859, P. R. R. Rep. (Parke’s), X, pl. 2, pl. 24, f. 5, — Cope, 
1859, Pr. Phil. Ac., 338. 
Northern Mexico; Arizona; New Mexico. 
Wine, NSMIRGERG oo Co DO Op oO oO Oho aU oma OS 
Caudisona basilisea Cope, 1864, Pr. Phil. Ac., 166, — 1866, Pr. Phil. Ac., 
308. Crotalus basiliscus Yarrow, 1875, Wheeler’s Rep., V, 532. 
Muzzle plates two pairs, a third pair subdivided. Rostral higher 
than wide, in contact with nasals and internasals. Labials 14, sep- 
arated from suborbitals by two and three rows. Scales in 29 rows, 
outer largest, outer three smooth. Ventrals 199. Subcaudals 24. 
Pale yellowish-brown, head and tail darker. Markings on entire 
seales. Dorsal rhombs about thirty; five obscure rings on the tail. 
Two elongated occipital spots. No lines on the neck. Labials -yel- 
lowish. 
Western Mexico. 
Crotanus ADAMANTEUS (Diamond Rattlesnake)... ....-.-+..- 112 
Crotalus adamanteus Beauy., 1799, Trans. Am. Phil. Soc., TV, 368; 
Holbr., 1842, Herp., III, 17, pl. 2; DeK., 1842, N. Y. Fauna, Rept., 
67; B. & G., 1853, Serp., 3; Bd., 1859, P. R. R. Rep., X, pl. 24, f. 2; 
LeC., 1853, Med. Jour., IX, 664; Jan, 1859, Rev. Mag. Zodl., Extr., 
p. 28, — 1863, Sist., 123, — 1874, Icon., livr. 46, pl. 2, f. 2; Yarrow, 
1875, Wheeler’s Rep., V, 534; Cope, 1877, Pr. Am. Phil. Soc., 64. 
Crotalus terrificus Cope, 1859, Pr. Phil. Ac., 887; LeC., 1853, Pr. Phil. 
Ac., 419. Caudisona adamantea Cope, 1861, Mitch. Res., 121, — 1866, 
