SYSTEMATIC LIST AM) SVXoXYMV. 1-59 



OPHIDIA-Com 



lnucii 



Var. AMABILIS 



Jan, 1863, Sist., 49, — 1866, Icon., livr. 15, p], ft, f. 4. Diadophit ama- 

 bin* B. & G., 1853, Serp., 11:!; Bd., 1859, 1'. R K. Rep., X, pi. ::::, f. 

 83. DiadophispulcheRm 15. A <;., 1853, Serp., 115; Bd., 1859, P. R. R. 

 Eep., X, pi. 33, t". 85; Yarrow, 1875, Wheeler's Rep., V, 538. D. 

 punctatua var. pttleheRtn < tope, 1860, IV. Phil. Ac, 250; Jan, 1863, Sist., 

 49, — 1SG6, Icon., livr. 15, pi. 6, f. 3. 



( rreenish to blackish-brown, punctulate with black. Belly orange, 

 more or less sprinkled or spotted with black. Occipital ring moder- 

 ate. Scales in 15 rows. Ventrals 184 to 204. Subcaudals 59 to 60. 



Arizona to California. 



Diadopiiis regalis 73 



Baird & Girard, 1853, Serp., 115, 161 ; Bd., 1S59, P. R. R. Rep., X, pi. 

 33, f. SO; Coues, 1875, Wheeler's Rep., V, ftl':'.; Cope, 1875, Check- 

 list, 38. Mexico. 



Rhinocheii.us 73 



Baird & Girard, 1853, Serp., 120. 



RHINOCHEILUS LECONTEI 73 



B. & G., 1853, Serp., 120, 101 ; Bd., 1S59, P. R. R. Rep., X, pi. 33, f. 90 ; 

 Cope, I860, Pr. Phil. Ac, 304; Jan, 1863, Prodr. Icon. Olid., II, — 

 1863, Sist., 43, — 1876, Icon., livr. 48, pi. 3, '.. 1 ; Coues, 1875, Wheel- 

 er's Rep., Y, 623; Cope, 1875, Checklist, 36, — 1880, Bull. 20, U. S. 

 Mus., 23. 



Texas to California. 



Var. tessei.i.a'its var. n 74 



Mexico. 



Heteeodon 74 



(Pal. de Beauv., 1799) Latr., 1802, Rept., IV, 32; Fitz., 1826, Class., 5(i; 

 Gray, 1831, Synops. (An. King. Grill'., IX), 85; Troost, 1836, Ann. X. 

 Y. Lye, III, 183; Schleg., 1837, Essai, 11,96; Holhr., 1842, Herp., 

 Ill, 37; B. A: <!., 185.;, Serp., 51 ; D. & B., 1854, Erp., VII, 764; Gthr., 

 1S5S, Cm., 82. 



Hetebodon platykhincs (Hog-nose Snake) 75 



Latreille, L802, Kept., IV, 32, pi. 28, !'. 1-::; Holbr., 1838, Herp., 11,97, 

 pi. 21, — 1812, Herp., IV, pi. 17; B. & G., 1853, Serp., 51 ; Bd., 1859, 

 P. R. 1!. Pep., X. pi. 28, f. 38; Stor., 1839, Kept., Mass., 231; D. & 

 B., 1851, Erp., VII, 766; Gthr., 1858, Cat., 82; Jan, 1863, Sist., 44, - 

 1X7(1, Icon., livr. 48. pi. .",, f. 2; Cope. 1S75, Checklist, 4:1, 1X77, 

 Pr. Am. Phil. Soc, ftl; DeK., 1842, Rept. X. Y, 55; Bd., 1854, Serp. 

 N. Y., IX; Allen, 1869, Pr. Post. Soc, 182. //. cotpiatus P.. & <i.. 

 185::, Serp., 54; Bd., 1859, Mex. Bound. Surv., II. 17, P. P. R. 

 Rep., X, pi. 28, f. 39. Coluber heterodon Daud., 1803, Rept., VII, 153, 

 1.1. (ill, f. 28; Say, 1818, Am. Jour. Sc'i., 1, 261; Hail., 1X27, Jour. 

 Phil. Ac., 357, — 1835, Med. Res., 120. //. tigrinus Troost, 1836, Ann. 

 N. Y. Lye, III, 189; DeK., 1842, Rept. X. Y., 52. E Snake 



C'atesby, 1743, Carol., II, 56. 



Eastern, Middle, and Southern States. 



