1.34 SYSTEMATIC LIST AND SYNONYMY: 



OP HID I A— Continued. 



Leftognathcs dimidiatcs 14 



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



Mexico. 



Leptognathus brevis (?) 



Duin., L852, Mem. Acad., XXIII. 467; D. & B., 1854, Erp., VII, 476; 



Cope, L868, l'r. Phil. Acad., 136. 



Mexico. 



Dipsas 14 



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



(Him \\ row 3. 1 



Dipsas cenchoa 14 



Max., 1825, Beitr. Brazils, I, 396; 1'itz.. 1826, Neue Class., 59; Boie, 



1827, Ms, 560; Wagl I 10, An.!,]... LSI; Gthr., 1858, Col. Snakes, 



174. Coluber cenchoa Linn., 175s. Syst Nat., I, 226, — 1766, Syst. 



Nat., I, 389; Ginelin, 1788, Syst. Nat. Linn., I, HIS; Shaw, 1802, 



Gen. Zool., Ill, 475; Latr., 1802, Hist. Rept., IV, 129; Daud., 1803, 



Rept., VI,283; Kuhl, L820, Beitr., 88. Bungarus mlt Oppel, 1810, 



Ann. Mus. Hist. Nat., XVI, 392, 1811, Ord. Fain. Gatt. Rept, 70. 



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



Phys. Serp., I, L62, II, 278, pi. 11. I. L9-20; DeFil., 1840, Cat. Serp.; 



Fitz., 181:1, Syst. Rept, 27. Himantodes cenchoa Dum. Bibr., 1854, 



Erp. Gen., VII, 10G5; Mart., 1856, Mus. Berl., 31; Jan. 1863, Eh nc. 



Sist, 102, — 1871, Icon., livr. 38, pi. 2, f. 1. Natrii cenchoa Merr., 



10, Amph., 114. 



17:,.. Thesaur., II, Tab. 15, f. 2, 3; Scheuchser, 1735, Phys. 



Sacr., IV, Tab. 678, t. :'.; Linn.. 1749, Arnoen. Acad., I, 306; Paul... 



1771, Diet Encycl., 601; Weigel, 1782, Berl. Nat. Ges., Ill; LaC, 



1789, Quad. Ovip., II, 316; Bonn cycl. Meth., Oph., 35, pi. 



29, 1. C.o; Bechst, 1802, Ueb. LaC. Natg., IV, 115. 



Mexico i" Brazil. 



Dipsas LEUCOMEI.AS 15 



Cope, lsoi, l'r. Phil. Ac, 296. 



Vera Cruz, Mexico. 



Sibox 15 



Fitz., 1826, Neue Class., 60; Cope, I860, Pr. Phil. Ac, 266. 



SlBON BISCUTATUM 10 



Dipsas biscutata D. & R, is:, I, Erp. Gen., VII. 115:;. 

 Dipsadomorplm biscxitatm < rthr., 1858, Col. Serp., 176. Eh irodipsas ' 

 lata .Ian, L863, Sist, 105, - 1*72. [con., livr. 39, pL 1, f. .".. hycodon 

 lyrophanes Cope, I860, Pr. Ac Phil., 343. Trimorphodon biscutatus 

 Cope, 1869, l'r. Am. Phil. Soc, 152. Trimorphodon lyrophanes Cope 

 1861, l'r. Phil. Ac. l".i7. Central America to Mexico. 



Var. LA.TIFASCIATUM 17 



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



Pueblo, Mexico. 



Sibox i'psilox 



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

 Loreals :',. Oculars 3—3. ] ' 3+3+3. Blotches forming 



transverse bands. Gnadalaxara, Western Mexico. 



