230 



COLTTEEID^, 



Stenorliina degenhardtii apiata, Cope, Journ. Ac. Fhilad. (2) viii, 



1876, p. 142. 

 Chilomeniscus mexicanus, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, 



p. 81. 



Snout short, obtusely pointed, prominent. Rostral large, broader 

 than deep, the portion visible from above measuring one half to two 

 thirds, or even equal to, its distance from the frontal ; internasals 

 as long as or a little shorter than the prsefrontals ; frontal once and 

 one third to once and a half as long as broad, as long as or longer 

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

 longer than the parietals ; loreal, if present, small, if absent fused, 

 with the posterior nasal or with the prsefrontal ; one prse- and two 

 postoculars; temporals 1+2 (rarely 2+3 or 4); seven upper 

 labials, third and fourth entering the eye ; three (rarely four) 

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

 longer than the posterior. Scales in 17 rows. Ventrals 136-174 \. 

 anal divided ; subcaudals 28-49. Coloration very variable. 



Total length 750 millim. ; tail 100. 



Mexico to Ecuador. 



A. Belly more or less spotted with blackish ; upper parts brown 

 with more or less distinct darker spots and irregular cross- 

 bars ; these markings may entirely disappear in the adult, 

 which is then uniform dark brown above. 



a. t? (V. 148; C.43). Mexico. 



i-c. $ (V. 166, 161; Atoyac, Vera Cruz. Mr.H.H.Smith[C.]f 



C. 38, 33). F. D. Godman, Esq. 



[P.]. 



«?. $ (V. 169; C. 33). Vera Paz, Low 0. Salvin, Esq. [C.]. 



Forest. 



e. d (V. 141 ; C. 42). Pacific Coast of O. Salvin, Esq. [C.]. 



Guatemala. 



/. $ (V. 160; C.31). Chontales, Niea- R. A. Eix, Esq. [C] j 



ragua. W. M. Crowfoot, 

 Esq. [P.]. 

 g. 2 (V. 158;C.?). Cartago, Costa Rica. 



A. c? (V. 136; 0.40). Buenaventura, Co- Mr. W. F. H. Eosen- 



lombia. berg [C.]. 



i-k. Yg. (V. 152, 145 ; Zaruma, Ecuador. J. F. Gunter, Esq. 



C. 33, 39), [0.]. 



B. Belly uniform yellowish ; back pale brown. 



a. With five black longitudinal lines on the back. 



a. S (V. 162 ; C. 40). Mexico. 



b. Hgr. (V. 171 ; 0. 82). Jalapa, Mexico. Mr. Hoege [CI. 



c. 2 (V. 171 ; C. 31). Plain of Zacapa, 0. Salvin, Esq. [0.]. 



Guatemala. 



b. A feebly-marked blackish vertebral line and a black streak 

 behind the eye. 



d. d (V. 157; C. 40). Putla, Mexico. 



