SYSTKMATTC LIST AND SYNONYMY. 179 



SOLENOGLYPH A— C ontinued. 



Var. PUGNAX 



To.vicnphis piigmix B. & G, 1853, Sorp., pp. 20, 15fi; Bd., 1859, P. R. R 

 Rep., X, pi. 25, f. 14. Toxiciiphlsjikcii'onis subsp. piignax Cope, 1875, 

 Checklist, 34. Tricjonocephahts piscirorus var. 2)"fjnaj: Jan, 1803, Sist., 



125. J, 



No loreal. Second labial with a narrow edge or acute angle at the ; 

 mouth. Third and fourth labials in orbit. Light olive-brown above; I 

 j'cllowish, with lu-ownish blotches on each side, liencath. Tail black. 

 About thirty blotches of darker on the back. Margins irregular, 

 often indistinct. Cheek band obsolete. Ventrals 145. Subcaudals 

 22, plus 23 pairs. Scales in 25 rows. 



Texas. 



Anclstrodon bilineatus 



Guenther, 1863, Ann. Mag. Nat. Hist., 364; Cope, 1865, Pr. Phil. Ac, 

 191; Sumichrast, 1881, Bull. Soc. ZoOl. de France, 185. 



" Shining deep black, with scattered white spots, arranged in nar- 

 row, distant, transverse bands; the white spots are more numerous 

 and irregular on the belly ; a yellow line runs from the rostral along 

 the canthus rostralis and the supraciliary edge to behind the angle 

 of the mouth. A yellow band along the upper labials, the lower 

 margin of which is black. Rostral, with a vertical yellow band, 

 continued on the chin. Upper labials eight. Scales keeled, in 23 

 series. Ventrals 137; subcaudals 65, the fourteen last double." 



Western IMexico; Isthmus of Tehuantepec. 



LACHE.SIS ^^^ 



Daudin, 1803, Rept., V, 351; Wagl., 1830, Syst, 175; D. & B., 1854, 

 Erp., VII, 1483; CJray, 1849, Cat., 13. Craspedocephalm Gray, 1825, 

 Ann. Phil., 205. 



Lachesis mutus 1"^ 



Cmtahis midus Linn., 1766, Syst., I, 373; Gmel., 1788, Syst. Linn., I, 

 1082; Schleg., 1837, Essai, 11, 570, pi. 20, f. 19, 20; Jan, 1859, Rev. 

 Mag. Zool., Extr., p, 29. Lachcm mutus Daud., 1803, Rept., V, 351; 

 Wagl., 1830, Syst, 175; Gray, 1842, Zool. Misc., 50, — 1849, Cat., 13; 

 D. & B., 1854, Erp., VII, 1485; Mart., 1856, Mus. Berl., 35; Cope, 

 1859, Pr. Phil. Ac, 339; Jan, 18()3, Sist., 124. Liiclmis rhmibeatm 

 Max., 1S24, Abbild. Bras. lief. 5, pi. 5; Fitz., 1826, Nene Class., 63, 

 — 1843, Syst, 29 ; Gray, 1831, Syn. Rept., 79. Craspedocephahut cro- 

 talinm Gray, 1825, Ann. Phil., 205. Cophim rmtalhm Merr., 1820, 

 Syst., 154. Bothrups surueucu Wagl., 1824, Spix. Scrp. Bras., p. 59, pi. 

 23? ;?oa TOHfa LaC, 1789, Quad. Ovip. Serp., II, 389. Boa cwtalina 

 Shaw, 1802, Zool., Ill, 352. Scytale catenutu.t Latr., 1801, Rept, III, 

 162. Trigonocepludiis rhomhifcr Cuv., 1829, R. An. II, 90. 



Brazil to Mexico. 



Var. STENOPHRYS ■'"^ 



Lnchesis stmophrijs Cope, 1875, Jour. Phil. Ac., 152. 



Central America. 



