222 



MEMOIRS OF THE CARNEGIE MUSEUM 



Family VIPERID^ Bonaparte. 



Subfamily Crotalin^ Oppel. 



Genus Lachesis Daudin. 



83. Lachesis lanceolatus (Lacepede). 



Coluber lanceolatus Lacepede, Serp., II, 1789, pp. 80, 121, PI. V, fig. 1. 

 Lachesis lanceolatus Boulenger, Cat. Snakes, III, 1896, p. 535. 



Counts and Measurements. 





No. 43 9 



" 121 cf 



159. . . 

 244. . . 

 245... 

 246. . . 

 247. . . 

 248. . . 

 249. . . 

 250. . . 

 252. . 

 253... 

 254... 

 2.55. . . 

 257... 

 258. . , 

 313... 

 372... 

 373. . . 

 2019.. 



cf 

 cf 

 cT 

 cf 

 9 

 <f 

 & 

 cf 

 9 

 cf 

 cf 



& 



cf 

 cf 

 9 

 cf 



'S 



<0 QD 



23 

 23 



25 

 27 

 25 

 23 

 25 

 25 

 27 

 25 

 23 

 25 

 25 

 25 

 25 

 27 

 25 

 27 

 23 

 25 



o^ 



181 

 185 



214 

 196 

 190 

 202 

 191 

 187 

 180 

 188 

 208 

 181 

 184 

 185 

 184 



182 

 190 

 184 

 218 



P5 



60/60 

 66/66 



70/70 

 53/.53 

 63/63 

 65/65 

 60/60 

 58/58 

 51/51 



54/54 

 61/61 

 62/62 

 59/59 

 63/63 



62/62 

 62/62 

 56/56 

 69/69 





7 

 7 

 7 

 7 

 8 

 7 

 7 

 7 

 7 

 8 

 7 

 7 

 7 

 7 



8 



7 





7 

 6 



8 

 6 

 7 

 7 

 8 

 6 

 6 

 7 

 7 

 10 

 7 

 7 

 6 



'7 

 6 



^ S O C c3 



■3 S 2 «3 



«j a; S 03 =3 



-5 q 

 o eg 



550 

 690 



395 

 1,045 

 805 

 820 

 960 

 840 

 885 

 840 

 832 

 923 

 705 

 975 

 857 

 880 

 535 

 595 

 369 

 565 



-- a 

 3^.s 



72 

 101 



57 

 116 

 110 

 115 

 137 

 130 

 108 



'oi 



130 

 105 

 143 

 123 



118 

 74 

 80 

 47 

 76 



* Tip of tail lost. 



The twenty specimens of this species in the collection are cataloged as follows : 



C. M. No. 43, 9 , Provincia del Sara, Bolivia, 350 M., Steinbach coll., December, 



1912. 

 C. M. No. 121, cf , Santa Cruz de la Sierra, Bolivia, Steinbach coll. 

 C. M. No. 159, d", Bonda, Colombia, 150 ft., H. H. Smith coll., August. 

 C. M. No. 244, cf , South America, LeBoutelier Collection. 

 C. M. No. 245, c?, South America, LeBoutelier Collection. 

 C. M. No. 246, cf , South America, Le Boutelier Collection. 

 C. M. No. 247, 9 , Chili, LeBoutelier Collection. 

 C. M. No. 248, cf , Colombia, LeBoutelier Collection. 

 C. M. No. 249, d", Brazil, LeBouteher Collection. 

 C. M. No. 250, cf , Venezuela, LeBoutelier Collection. 



