134 SYSTEMATIC LIST AND SYNONYMY. 



OPHIDI A— Continued. 



Leptognatiius dimidiatus 14 



Guenther, 1872, Ann. Mag. Nat. Hist,, IX, 31. 



Mexico. 



Leptognathus brevis (?) 



Duia, 1852, Mem. Acad., XXIII, 467; D. & B., 1854, Erp., VII, 476; 



Cope, 1868, Pr. Phil. Acad., 136. 



Mexico. 



Dipsas 14 



Laur., 1768, Syst. Kept., 89; Gthr., 1858, Cat. Col. Snakes, 169. 

 (Himantodes.) 



Dipsas cenchoa 14 



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., Ill, 475; Latr., 1802, Hist, Eept, IV, 129; Daud., 1S03, 

 Kept, VI, 283; Kuhl, 1820, Beitr., S8. Bungarus cencoalt Oppel, 1810, 

 Ann. Mus. Hist. Nat., XVI, 392, — 1811, Ord. Fam. Gatt. Eept., 70. 

 Dipsas weigelii Fitz., 1826, Neue Class., 59; Schlegel, 1837, Ess. 

 Phys. Serp., I, 162, II, 278, pi. 11, f. 19-20; DeFil., 1840, Cat. Serp.; 

 Fitz., 1843, Syst. Kept., 27. Himantodes cenchoa Dum. Bibr., 1854, 

 Erp. Gen., VII, 1065; Mart., 1856, Mus. Berl., 31; Jan, 1863, Elenc. 

 Sist, 102, — 1871, Icon., livr. 38, pi. 2, £. 1. Katrix 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, Diet. Encycl., 601; Weigel, 1782, Berl. Nat. Ges., Ill; LaC, 

 1789, Quad. Ovip., II, 316; Bonn., 17S9, Encycl. Meth., Oph., 35, pi. 

 29, f. 60 ; Bechst, 1802, TJeb. LaC. Natg., IV, 115. 



Mexico to Brazil. 



DlPSAS LEUCOJIELAS 15 



Cope, 1861, Pr. Phil. Ac, 296. 



Vera Cruz, Mexico. 



SlBON 15 



Fitz., 1826, Neue Class., 60; Cope, 1860, Pr. Phil. Ac, 266. 



SlBON BISCUTATUM 16 



Dipsas biscutata D. & B., 1854, Erp. Gen., VH, 1153. 



DipsadomorpMts biscutatns Gthr., 185S, Col. Serp., 176. Eteirodipsas biseu- 

 tata Jan, 1863, Sist., 105, — 1872, Icon., livr. 39, pi. 1, f. 3. Lycodon 

 lyrophanes Cope, 1860, Pr. Ac. Phil., 343. Trimorphodon bkcutatus 

 Cope, 1869, Pr. Am. Phil. Soc, 152. Trimorphodon lyrophanes Cope, 

 1861, Pr. Phil. Ac, 297. Central America to Mexico. 



Var. LATIFASCIATUM 17 



Dipsas biscutata var. latifascia Peters, 1869, M. B. Berl. Acad., 877. 



Pueblo, Mexico. 



Sibon upsilon 



Trimorphodon upsilon Cope, 1879, Pr. Am. Phil. Soc, 152. 



Loreals 3. Oculars 3—3. Temporals 3+3+3. Blotches forming 

 transverse bands. Guadalaxara, Western Mexico, 



