134 SYSTEMATIC LIST AND SYNONYMY. 
OPHIDI A—Contined. 
IGEPTOGNATHUS) DIAMDIATUS! 2) so -e «) va =) suet tey = ad eon eC 
Guenther, 1872, Ann. Mag. Nat. Hist., TX, 31. 
Mexico. 
LEPTOGNATHUS BREVIS (?). . = 2 2 + 2 se 2 es ee Soo oa oe 
Dum., 1852, Mem. Acad., XXIII, 467; D. & B., 1854, Erp., VII, 476; 
Cope, 1868, Pr. Phil. Acad., 136. . 
Mexico. 
IDRPSASPierichr fit tela tereieaepeomcReare MECC MOG SAG det oa oo KE 
Laur., 1768, Syst. Rept., 89; Gihr., 1858, Cat. Col. Snakes, 169. 
(TIM ANTODEs. ) 
IDIPSAS GENGHOA =). (es) 2) Sin eee ea cones oe mT 
Max., 1825, Beitr. Brazils, I, 396; Fitz., 1826, Neue Class., 59; Boie, 
1827, Isis, 560; Wagl., 1830, Amph., 181; Gthr., 1858, Col. Snakes, 
174. Coluber cenchoa Linn., 1758, Syst. Nat., I, 226, — 1766, Syst. 
Nat., I, 389; Gmelin, 1788, Syst. Nat. Linn., I, 1118; Shaw, 1802, 
Gen. Zool, III, 475; Latr., 1802, Hist. Rept., 1V, 129; Daud., 1803, 
Rept., VI, 283; Kuhl, 1820, Beitr., 88. Bungarus cencoalt Oppel, 1810, 
Ann. Mus. Hist. Nat., XVI, 392, — 1811, Ord. Fam. Gatt. Rept., 70. 
Dipsas weigetii Fitz., 1826, Neue Class., 59; Schlegel, 1837, Ess. 
Phys. Serp., I, 162, II, 278, pl. 11, f. 19-20; DeFil., 1840, Cat. Serp.; 
Fitz., 1843, Syst. Rept., 27. Himantodes cenchoa Dum. Bibr., 1854, 
Erp. Gen., VU, 1065; Mart., 1856, Mus. Berl., 31; Jan, 1863, Elene. 
Sist., 102, — 1871, Icon., livr. 38, pl. 2, f. 1. Natrix cenchoa Merr., 
1820, Amph., 114. 
Seba, 1735, Thesaur., II, Tab. 15, f. 2,3; Scheuchser, 1735, Phys. 
Sacr., IV, Tab. 678, f. 3; Linn., 1749, Amoen. Acad., I, 306; Daub., 
1771, Dict. Encyel., 601; Weigel, 1782, Berl. Nat. Ges., III; LaC., 
1789, Quad. Ovip., II, 316; Bonn., 1789, Encycl. Meth., Oph., 35, pl. 
29, £.60; Bechst., 1802, Ueb. LaC. Natg., IV, 115. 
Mexico to Brazil. 
DTPSAS PUBUCOMELASy etch liu’ el (eli of oneal neice << intone = teE 
Cope, 1861, Pr. Phil. Ac., 296. : 
Vera Cruz, Mexico. 
SIBON) cme ae eee Sou 6.000 0.09 to a Acceso ao | lp 
Fitz., 1826, Neue Class., 60; oe 1860, Pr. Phil ey 266. 
SIBON/BISCUMADUNG. or eimrceert <e Nee ts eee fie ce eto) ew oe sete Mo > ills) 
Dipsas biscutata D. & B., 1854, Erp. Gen., VII, 1153. 
Dipsadomorphas biscutatus Gthr., 1858, Col. Serp., 176. -Eteirodipsas biscu- 
tata Jan, 1863, Sist., 105, — 1872, Icon., livr. 39, pl. 1, #3. Laycodon 
lyrophanes Cope, 1860, Pr. Ac. Phil., 348.  Trimorphodon biscutatus 
Cope, 1869, Pr. Am. Phil. Soe., 152. Trimorphodon lyrophanes Cope, 
1861, Pr. Phil. Ac., 297. Central America to Mexico. 
Var UATIRASCIATUNG Me teat Ice stoi eal ot: cies eaten cin Pao apo i 
Dipsas biscutata var. latifascia Peters, 1869, M. B. Berl. ene 877. 
Pueblo, Mexico, 
BIBON: UPSILON chine stn aeuls foleris! : CROP OE On OL o 
Trimorphodon upsilon Cope, 1879, Pr. Am. Phil Soe., 152. 
Loreals 3. Oculars 8—3. Temporals 3+8+43. Blotches forming 
transyerse bands, Guadalaxara, Western Mexico, 
