58. PHRTKONAX, 21 



Total length 1360 millim. 

 Mexico. 



a. 5 (V. 213; 0. ?). Atoyac, Vera Cruz. Mr. H. H. Smith [0.1 ; 



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



4. Phrynonax lunulatus. -^z-*-- — ~^ *^ '^' 



^Spilote3 poecilon otus. part., G unih. Cat, p. 100 (1858), and Biol. 



t'.-Am:,Jiepi.-p.[b (1894). 



Tropidodipsas lunulata, Cope, Proa. Ac. Philad. 1860, p. 517, and 



1862, p. 348. ' i" ' 



Spilotes lunulatus, Cope, Bull. U.S. Nat. Mus. no. 32, p. 71 (1887). 



lunulatus, part., Bocourt, Miss. So. Mex., Rept. p. 694, 



pi. xlii. %. 1 (1888). 



Eostral a little broader than deep, just visible from above ;' inter- 

 nasals shorter than the prsefrontals ; frontal once and one third as 

 long as broad, as long as its distance from the rostral, slightl)' 

 shorter than the parietals ; loreal a little longer than deep ; one 

 praeocular, widely separated from the frontal ; two postoculars ; 

 temporals 2+3 ; nine upper labials, fourth, fifth, and sixth entering 

 the eye ; six or seven lower labials in contact with the anterior 

 chin-shields, which are a little longer than the posterior. Scales in 

 21 or 23 rows, dorsals feebly keeled. Ventrals very obtusely angu- 

 late, 202-204; anal entire; subcaudals 126-136. Olive-brown 

 above ; young with crescent-shaped brown, black-edged cross bands 

 on the back, of which mere traces are left in the adult ; belly dotted 

 with brown. 



Total length 1380 millim. ; tail 380. 

 , Central America. 



a. S (V. 202 ; C. 126). Mexico. Hr. Hugo Finck [0.]. 



(One of the types of S. pcecilonotus.) 



5. Phrynonax fasciatus./'*-*"-^' / 



Spilotes fasoiatus, Peters, Mon. Berl. Ac. 186&, p. 443. 



fasciatua, part., Giinth. Ann. %■ Mag. N. S. (4) ix. 1872, 



p. 20. 



Ahsetulla polylepis, Peters, Mon. Berl. Ac. 1867, p. 709. 



Spilotes lunulatus, part., Bocourt, Miss. Sc. Mex., Rept. p. 694 (1888). 



Eostral broader than deep, just visible from above ; internasals 

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

 longer than broad, as long as its distance from the end of the snout, 

 nearly as long as the parietals ; loreal as long as deep or a little 

 longer ; one praeocular, in contact with or very narrowly separated 

 from the frontal; two postoculars; temporals 2 + 2; eight (or 

 nine) upper labials, fourth, fifth, and sixth (or fifth, sixth, and 

 seventh) entering the eye, last very long ; seven or eight lower 

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

 than the posterior. Scales in 23 rows, dorsals faintly keeled. 

 Ventrals very obtusely angulate, 191-207 ; anal entire ; subcaudals 

 120-132. Young pale brown above, with crescentic brown, black- 

 edged cross bands ; head pale brown, sp'eckled with darker ; belly 



