13. CROTALirs. 



575 



i. d (Sc. 27; V. 170; Mexico. 



0. 27). 

 k. 2 (Sc. 29 ; V. 181 ; Venezuela. 



C. 22). 



M. Sall^ [C.]. 



B. Stripes on the neck well-marted. 



a-d. 5 (Sc. 29 ; V. Omilteme, Guerrero. 



182; C. 23) & yg. 



(Sc. 29, 27, 29; V. 



180, 183, 170 ; 0. 30, 



22, 29). 

 e. Yg. (Sc. 27; V. Yucatan. 



187 ; C. 23). 

 /. d (Sc. 31 ; V. 181 ; S. Mexico. 



C. 28). 

 g. Hgr. (Sc. 29; V. Mexico. 



172; C.23). 

 h-{. Yg. (Sc. 31; V. Berbice. 



176 1 C. 23) & head 



of adult. 

 k. cJ (Sc. 30 ; V. 186 ; Pernambuco. 



0. 2-5). 

 I. Yg. (Sc. 27; V. 171 ; S. Josg dos Campos, 



C. 21). Prov. S. Paulo. 



m. Yg. CSc. 27; V. 175 ; Brazil. 



0. 29). 

 n. Hgr. (Sc. 29 ; V. Asuncion, Paraguay. 



178; C. 30). 

 0. Yg. (Sc. 27 ; V. 187 ; Campolican, Bolivia. 



C. 22). 

 p. Skeleton. ? 



P. D. Godman, Esq. 



F. D. Godman, Esq. 

 Esq. [P.]. 



W. A. Forbes, Esq. 



[P.], 

 Mr. A. Thomson [P.]. 



Dr. J. Bohls [C.]. 

 Zoological Society. 



2. Crotalus scutiQatus. 



Caudisona scutulata, Kennicott, Proc. Ac. Philad. 1861, p. 207 ; 



Cope, Proc. Ac. Philad. 1866, p. 309. 

 Crotalus adamanteus scutulatus, Cope, Check-list N. Am. Pept. 



p. 33 (1875) ; Garm. N. Am. Rept. p. 113 (1883) ; Cope, Proc. 



Amer. Philos. Sac. xxiii. 1886, p. 287, and Proc. U.S. Nat. Mus. 



xiv. 1892, p. 689. 

 scutulatus, Cope, Proc, Ac. Philad. 1883, p. 11. 



atrox, var., Stejheger, Rep. U.S. Nat. Mus. f. 1893, p. 438 



(1895). 



salvini, Giinth. Biol. C.-Am., Rept. p. 193, pi. lix. fig. A 



(1895). 



Canthus rostralis distinct. Eostral as deep as broad, in contact 

 with the anterior nasal ; upper surface of head with small shields ; 

 two pairs of internasals and two pairs of prsefrontals ; two or three 

 series of shields between the supraoculars ; supraoculars transversely 

 striated, not broader than their distance from each other, in contact 

 with four or five shields in addition to the prie- and postoculars ; 

 three or four series of scales between the eye and the labials ; 1 3 

 to 16 upper labials. Scales in 25 or 27 rows, dorsals striated and 

 strongly keeled. Ventrals 167-170 ; anal entire ; subcaudals 18-20. 



