60. COLUBER. 33 



3. Coluber novae-hispaniae. 



Seba, Then. ii. pi. xx. fig. 1 (172>o). 

 Cerastes me.vicanu.s, Law. Sipi. liej)f. p. 83 (1768). 

 Coluber novae-hispanipe, Gmel. S. N. i. p. 1088 (1788). 

 Spilotes variabilis, part., Gi'mth. Cat. p. 99 (18.58). 



pullatus aiiribundus, Cojye, Proe. Ac. Philad. 1861, p. .300. 



salvinii, Gilnth. Ann. ^- Mag. N. H. (.3) ix. 1862, p. 125, 



pi. ix. fig. 5, and Biol. C.-Am., JRept. p. 116, pi. xlii. (18114). 



variabilis, Sumichr. Arch. Sc. Fhys. Nat. (2) xlvi. 1873, p. 259. 



variabilis, var. aaribundiis, Gann. N. Am. Rept. p. .50 (1883). 



auribundus, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 71 ; 



Bocuurt, Mi.is. Sc. Me.v., Eept. p. 689, pi. xliv. fig. 5 (1888). 



Rostral broader than deep, visible from above ; iuternasals as 

 long as broad or a little broader than long, shorter than the prie- 

 frontals ; frontal as long as or a little longer than broad, as long as 

 its distance from the rostral or the end of the snout, as long as or a 

 little shorter than the parietals ; loreal small, as long as deep or a 

 little longer ; one prae- and two postoculars ; temporals 1 + 1 or 

 1 + 2 ; eight upper labials, fourth and fifth entering the eye, seventh 

 and eighth very large ; three to five lower labials in contact with 

 the antei'ior chin-shields, which are as long as or a little shorter than 

 the posterior. Scales in 19 rows (17 and 18 in spec, /t), dorsals more 

 or less distinctly keeled. Ventrals 204-222 ; anal entire : sub- 

 caudals 115-138. Black above, varied with yellow, the yellow 

 forming regular cross bands on the posterior part of the body and on 

 the tail ; belly yellow, with irregular black spots. 



Total length 2120 millim. ; tail 550. 



Mexico and Central America. 



a. 2 (V. 213; 0.119). 



b. Yg. (V. 210; C. 120). 



c. 2 (V. 212; C. 116). 



d. Yg. (V. 204; C. 127). 



e. f. Hgr. (V. 212; C. 

 132) & yg. (V. 217; 

 C. 130. 



g. (S (V. 212; C. ?). Atoyac, Guerrero. F. D. Godman, Esq. 



[P.]. 

 h-i. d (V. 208 ; C. 134) Huatuzco, Vera Cruz. F. D. Godman, Esq. 



&yg. (V.212; C. 123). [P.]. 



k. Hgr. (V. 215; C. 138). Yzabal, Guatemala. 0. Salvin, Esq. [C.]. 



(Tvpe of S. salvini.) 

 I. 2 (V. 220 ; C. 127). Ptio Motagua. F. D. Godman, Esq. 



[P.]. 



4. Coluber ? melanotropis. 



Dendrophidium melanotropis, Cope, Journ. Ac. Philad. (2) viii. 1876, 



p. 134, pi. XX vi. fig. 1. 

 Elaphis melanotropis, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 71. 



Rostral broader than deep ; frontal bell-shaped, wide in front, 

 contracted behind, as long as the parietals ; loreal much longer than 

 deep ; one praeocular, with a subocular below it ; two postoculars ; 

 temporals 2 -|-2 ; nine upper labials, fourth, fifth, and sixth entering 



VOL. ir. D 



