60. COLUBEE. 67 



Spilotes deppei, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 72. 

 Pituopbis pleui'ostictus, Bocourt, 3Itss. Sc. Mex., Reiit. p. 0(5G, 

 pi. xlii. figs. 2 & 3 (1888). 



Snout projecting ; rostral as broad as deep or slightly deeper, the 

 portion visible from above measuring one half or three fifths its 

 distance from the frontal ; internasals much shorter than the pra3- 

 frcmtals ; frontal once and a half as long as broad, a little longer 

 than its distance from the rostral, as long or a little shorter than 

 the parietals ; lorcal a little longer than deep ; one prsE- and 

 two or three postoculars ; temporals 3 + 4; seven or eight upper 

 labials, fourth and fifth or third and fourth entering the eye ; four 

 or five lower labials in contact with the anterior chin-shields, which 

 are longer than the posterior. Scales in 27 or 29 rows, dorsals 

 feebly but distinctly keeled. Ventrals 209-233 ; anal entire ; sub- 

 caudals 51-67. Yellowish brown above, with a dorsal series of 

 large quadrangular spots ; sides with smaller spots ; young with a 

 dark band across the forehead, from eye to eye ; labials with black 

 sutures ; lower parts yellowish, Avith square brown blotches. 



Total length 1090 millim. ; tail ISO. 



Mexico. 



a. S (Sc. 29 ; V. 220 ; City of Mexico. Mr. Doorman [C.l. 



0. 55). 

 h. 2 (Sc. 29; V. 229; Hacienda del Castillo, Dr. A. C. Buller [C.]. 



C. Gl). Guadalajara. 



c. § (Sc. 27; V. 221; Tehuantepec. M. F. Sumichrast 



C. 59). [C.]. 



<f-e. c? (Sc. 27; V. 228; Mexico. M. Salle [C.l. 



C. 56) & hg-r. (Sc. 29 ; 



V. 219; C. 68). 

 /, g. 2 (Sc. 27, 27 ; V. Mexico. 



212, 221 ; C. 55, 63). 

 h. 6 (Sc. 27; V. 218; S.Mexico. F. D. Godmau, Esq. 



C. 66). [P.]. 



44. Coluber catenifer. 



Coluber catenifer, Blainv. Nouv. Ann. Mns. iv. 1835, p. 290, 



pi. xxvi. fig. 2. 



vertebralis, Blainv. I. c. p. 293, pi. xxvii. fig. 2. 



Pituopbis catenifer, Baird ^ Gir. Cat. N. Am. Bept. p. 69 (1853) ; 



6-'/ ' "■ '" " — - — 



P- 



(1883) ; 



(1888) ; Cope, Proc. U.S. Nat. Mus. x'iv. 1892, p. 641 ; Stejneger, 



N. A7n. Faun. no. 7, pt. ii. p. 206 (1893). 



wilkesii, Baird 8j- Gir. I. c. p. 71 ; Gir. I. c. p. 137, pi. ix. 



annectens, Baird ^- Gir. I. c. p. 72, and Bep. Explor. Surv. R. 



Mias. B. X., Bept. pi. xxLx. fig. 48 (1850). 

 vertebralis, Dt(7n. ^- Bibr. vii. p. 238 (1854); Bocourt, I. c. 



p. 672, pi. xlii. fig. 1. 

 Elapbis reticulatus. Bum. Sc Bibr. t. r. p. 246. 

 I'ityophis btematois, Cojte, Bi-oc. Ac. Bhilad. 1860, p. 342. 



f2 



