58. PHBTNOSAX. 21 



Total length 1360 millim. 

 Mexico. 



a. $ (V. 213 ; C. ?). Atoyac, Vera Cruz. Mr. H. H. Smith [C 



F. D. Qodman, Esq. [ 



4. Phrynonax lunulatus. 



Spilotes poecilonotus, part., Giinth. Cat. p. 100 (1858), and Biol. 



( .-Am.,Rept. p. 117 (1894). 

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



1802, p. 348. 

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



- lunulatus, part., Bocourt, Miss. Sc. Mex., Kept. p. 694, 

 pi. xlii. tig. 1 (1888). 



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

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

 long as broad, as long as its distance from the rostral, slightly 

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

 pneocular, 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. Veutrals 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. <3 (V. 202 ; C. 126). Mexico. Hr. Hugo Finck [C.]. 



(One of the types of S. p&cilonotus.) 



5. Phrynonax fasciatus. 



Spilotes fasciatus, Peters, Mon. Berl. Ac. 1869, p. 443. 



- fasciatud, part., Gunlh. Ann. Sf Mag. N. H. (4) ix. 1872, 

 p. 20. 



Ahaetulla polvlepis, Peters, Mon. Berl. Ac. 1867, p. 709. 



Spilotes lunulatus, part., Bocourt, Miss. Sc. Me*., Kept. p. 694 (1888). 



Rostral broader than deep, just visible from above ; internasals 

 as long as or a little shorter than the praefrontals ; 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 pneocular, 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 kerl'<l. 

 Y t nt nils very obtusely angulate, 191-207; anal entire; subcaudals 

 \- \'-\-. Young pale brown above, with crescentic brown, black- 

 edged cross bands ; head pale brown, speckled with darker ; belly 



