113. OEOPHI8. 319 



poides chalybseus, Cope, 1. c. p. 88fl. 



GeophU chftljMM, part., (in nth. tiiol. C.-Am., Rept. p. 87 (1893). 

 moesta, part., Giinth. I. c. p. 90, pi. xxxiii. fig. C. 



Muxillary extending a little beyond the palatine in front, the 

 first tooth corresponding to the suture between the second and third 

 labial shit-Ms. Eye very small, measuring two thirds to three 

 fourths its distance from the mouth. Snout rounded, feebly pro- 

 jecting. Rostral moderate, as deep as broad or a little broader than 

 deep, the portion visible from above measuring one third to two 

 fifths its distance from the frontal ; internasals much broader than 

 long, one fourth to one third the length of the praefrontals, which 

 are longer than broad ; frontal as long as broad or slightly broader 

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

 shorter than the parietals ; a very small supraocular ; loreal twice 

 to twice and a half as long as deep ; one postocular ; six upper 

 labials, third and fourth entering the eye ; three or four lower 

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

 than the posterior and separated from the symphysial. Scales in 

 17 rows, smooth on the anterior part of the body, finely striated and 

 feebly keeled on the posterior part and on the base of the tail. 

 Ventrals 131-154 ; anal entire ; subcaudals 25-40. Blackish brown 

 above, scales of outer row lighter in the centre ; young with a 

 yellowish blotch across temples and occiput ; belly uniform yellowish 

 white ; subcaudals edged with brown. 



Total length 330 millim. ; tail 45. 



Mexico and Guatemala. 



a. Yg. (V. 132; C. 40). Amula, Guerrero. Mr. H. H. Smith [C.l; 



F.D. Godman,Esq.[P.]. 

 b-c. $ (V. 138, 140 ; C. Duenas, Guatemala. 0. Salvin, Esq. [C.]. 



30,?). 



d. Hgr., very bad state. Pacific coast of O. Salvin, Esq. [C.]. 

 Guatemala. 



7. Geophis hoffmanni. 



Colobognathus hoffmanni, Peters, Man. Serl. Ac, 1859, p. 276, pi. . 



fig. 2. 

 Elapoides hoffmanni, Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 22, 



and Icon. Gen. 12, pi. ii. fig. 8 (1865). 

 Geophis moestus, Giinth. Ann. fy Mag. N. H. (4) ix. 1872, p. 15. 



hoffmanni, Bocourt, Miss. Sc. Mex., Rept. p. 529, pi. xxxi. fig. 8 



(1883). 

 Rhabdosonia mcestum, Cope, Bull. U.S. .\at. .Vw.. n... ::_'. I --7. 



p. 85. 



Geophis chalybaea, part., Giinth. Bid. C.-Am., Rept. p. 87 (1893). 

 moesta, part., Gunth. 1. c. p. 90. 



Maxillary not extending beyond palatine in front, the first tooth 

 corresponding to the suture between the second and third labial 

 shields. Eye small, as long as or a little shorter than its distance 

 from the mouth. Snout rounded, feebly projecting. Rostral mode- 

 rate, as deep as broad or slightly broader than deep, the portion 



