180 SYSTEMATIC LIST AND SYNONYMY. 



SO LENO GLYPH A — Continued. 



Trigonocephaly ■ 123 



Trigonocephalus Oppel, 1811, Class. Rept, 55. Cophias, Merrem, 1820, 

 Syst, 154; Gray, 1831, Syn. Eept, 79. Bothrops Wagler, 1824, Spix. 

 Serp. Bras., 50, — 1830, Syst. Amph., 174; D. & B., 1854, Erp., VII, ' 

 1502; Fitz., 1843, Syst. Eept, 29. Craspedocephalus Fitz., 1826, Class. 

 Eept., 62; Gray, 1849, Cat., 4. 



Trigonocephalus asper 124 



Possibly a variety of T. lanceolatus, which it resembles, but which is a 

 West Indian species. 



Isthmus. 



Trigonocephalus atrox 124 



Coluber atrox Linn., 1754, Mus. Ad. Fridr., pi. 22, f. 2; Gmel., 1788, 

 Syst. Linn., I, 1107. Cophias atrox Merr., 1820, Syst, 154. Vipera 

 atrox Laur., 1768, Syst., 103. Bothrops atrox Wagl., 1830, Syst. Amph., 

 174; D. & B., Erp., VII, 1507; Mart., 1856, Mus. Berl., 35. Bothrops 

 tessellatus pi. 21, f. 2, B. taeniatus pi. 21, f. 3, and B. leucurus pi. 22, f. 

 2, Wagl. in Spix. Serp. Bras. B. atrox var. tessellatus Jan, 1875, Icon., 

 livr. 47, pi. 2, f. 4. Craspedocephalus atrox Fitz., 1826, Neue Class., 

 66; Gray, 1849, Cat., 6. Trigonocephalus atrox Kuhl., 1820, Beitr., 

 pp. 91, 100; Schleg., 1837, Essai, II, pi. 19, f. 5, 6. 



Brazil to Mexico, through varieties. 



Trigonocephalus affinis 125 



Bothrops affinis Bocourt, 1863, Ann. Sci. Nat, pt. II, 201. Bothriopsis 

 affinis Cope, 1875, Jour. Phil. Ac, 150. 



Guatemala. 



Teleuraspis 126 



Cope, 1860, Pr. Phil. Ac, 345. 



Teleueaspis undulatus 126 



Trigonocephalus undulaius Jan, 1859, Eev. Mag. Zool., Extr., p. 30. T. 

 (Atropos) undulaius Jan, 1859, I. c. p. 32. Atropos undulatus Jan, 1859, 

 I. c, pi. E, f. 6, — 1863, Sist, 127. 



Mexico. 



Teleuraspis nigroadspersus 126 



Bothrops {Teleuraspis) nigroadspersus Sleind., 1870, Sitzb. Ak. Wien, 348, 

 pi. 8. 



Central America to Mexico. 



Teleueaspis nujimifer 127 



Atropos nummifer Ruepp., 1845, Mus. Senck., 313. Teleuraspis nummifer 

 Gthr., 1863, Ann. Mag. Nat. Hist, 25. Atropos me.vicamts D. & B., 

 1854, Erp., VII, 1521, pi. 83 bis, f. 1, 2. Bothrieehis mexicanus Cope, 

 1861, Pr. Phil. Ac, 294. ? Trigonocephalus nummifer Jan, 1859, Eev. 

 Mag. Zool., Extr., 30. ? Bothrops nummifer Jan, 1863, Sist., 126, — 

 1875, Icon., livr. 47, pi. 5, f. 2. 



Mexico. 



