11. tiCHEsrs. 567 



Total length 375 millim. ; tail 60. 

 Guatemala. 



a. Yg. (V. 166; C. 67). S. Augustin, W. Paris Mas. [E.]. 



Guatemala. (One of the types.) 



38. Lachesis schlegelii. 



Trigonocephalua schlegelii, BerthoU, Abh. Ges. Wiss. Gottinn. iii. 



1846, p. 13, pi. i. figs. 5 & 6. 

 Lachesis nitidus, Giinth. Proc. Zool Soc. 18-59, p. 414, pi. xx. fig. 0. 

 Teleuraspis schlegelii, Cope, Proc. Ac. Philad. 1859, p. 338, and 



Joum. Ac. Philad (2) viii. 1876, p. 149, pi. xxvii. fig. 2 ; R. Blanch, 



Bull. Soc. Zool. France, 1889, p. 348. 



nitida, Cope, Proc. Ac. Philad. 1860, p. 345. 



Bothrops achlegeli, Jan, Elenco, p. 127 (1863), and Icon. Gen. 47, 



pi. vi. fig. 2 (1875). 

 (Teleuraspis) nigroadspersus, Steind. Sitzb. Ah. Wien, Ixii. i. 



1870, p. 348, pi. Tiii. 

 Teleuraspis nigroadspersus, Garm. N. Am. Bept. p. 126 (1883). 

 Thaaatophis torvus, Posada-Arango, Bull. Soc. Zool. France, 1889, 



p. 345. 

 Bothriechis schlegelii, Giinth. Biol. C.-Am., Rept. p. 189 (1895). 



Snout rounded, with sharp canthus. Rostral as deep as broad 

 or broader than deep ; nasal entire or semidivided ; upper head- 

 scales more or less strongly keeled, rarely smooth on the snout and 

 vertex ; a large supraocular shield, separated from the eye by small 

 scales, two or three of which may be enlarged, erect, and horn-like ; 

 5 to 9 longitudinal series of scales between the supraoculars ; two 

 or three series of scales between the eye and the labials ; temporal 

 "scales keeled ; 8 or 9 upper labials, second forming the anterior 

 border of the loreal pit, third or fourth largest. Scales more or 

 less strongly keeled, in 19-25 rows. Ventrals 138-162; anal 

 entire; subcaudals 47-62, single. Tail prehensile. Coloration 

 very variable. Green or olive above, speckled or spotted with 

 black, or with pinkish, reddish, or purplish, black-edged spots or 

 cross-bars ; a series of yellow spots usually present on each side 

 close to the ventral shields ; belly yellow, spotted with green, or 

 green speckled with black and yellow, or variegated yellow, olive, 

 parple, and black ; end of tail usually red. 



Total length 600 millim. ; tail 115. 



Central America, Colombia, Ecuador. 



a. Hgr. (Sc. 21 ; V. 159 ; Guatemala. F. D. Godman, Esq. 



C. 62). [P.]. 



4-rf. (J (Sc. 21,23; V. 157, Hacienda Rosa de Dr. E. Rothschuh 



166; 0. 57, 56) & 2 Jericho, Nicaragua. [0.]. 



(Sc. 23; V. 154; C. 50). 



e. Hgr. (Sc. 23; V. 155; Matagalpa, Nicaragua. Dr. B. Rothschuh 



C.60). [0.]. 



f-h. Hgr. (Sc. 23 ; V. 147 ; Chontalez, Nicaragua. R. A. Rix, Esq. [C] ; 



C.49)& vg. (Sc. 25,26; W. M. Crowfoot, 



V. 151, 150 ; C. 48, 64). Esq. [P.]. 



