192 REPTILES. 



contact with oculars ; loreal elongate. Red (in spirits white), 

 with black cross bands, always three together, middle one 

 broadest. 



a, b. Adult. Bahia. Presented by Mr. Ker. 



c, d. Half-grown. Brazil. Presented by Mr. Bowerbank. 



e. Half-grown. Brazil. From M. Parzudaki's Collection as 



Oxyrhopus viryinianus. 

 f, g. Adult : not good state. Demerara. Presented by Captain 



E. Sabine. 

 h. Adult. South America. 

 i. Adult : bad state. South America. Presented by W. F. 



Evans, Esq. 

 k. Half-grown. Mexico. From Mr. Hugo Finck's Collection. 



8. Oxyrhopus doliatus. 



Dura. $ Bibr. p. 1020. 



One anterior ocular, not reaching the vertical ; loreal elongate. 

 Red (in spirits yellowish), with numerous irregular, band-like 

 spots ; crown of head yellowish, with large brown spots. 



a. Adult. Sine patria. From the College of Surgeons. 



b. Adult : bad state. Trinidad. Presented by Mr. Chantelier. 



Our specimens, exhibiting many differences from Dumeril's 

 description, require the following notices : — 



Description. — In general appearance similar to a Dipsas. 

 Body slender, much compressed ; tail moderate, tapering ; head 

 depressed, with flat crown, broad behind, distinct from neck, 

 with short, broad, obtuse snout ; eye moderate, pupil elliptical, 

 erect. Rostral shield very broad and narrow, raised on the 

 surface of muzzle, rounded behind ; anterior frontals small, five- 

 sided ; posterior ones much larger, quadrangular ; vertical mo- 

 derate, with somewhat convergent outer edges and a right angle 

 behind ; occipitals moderate, forked, rounded behind ; super- 

 ciliary moderate ; anterior ocular just reaching the surface of 

 crown, three posterior ones ; upper labials eight, fourth and 

 fifth coming into the orbit ; loreal elongate ; temporals small, 

 about seven, two of which are in contact with oculars. Scales 

 smooth, in nineteen rows, those of the three dorsal rows larger 

 than the remainder, and nearly square ; anal entire. Posterior 

 maxillary tooth longest, grooved ; anterior ones equal in length. 

 Yellowish (in spirits) ; many scales entirely black, or only at 

 the tip, forming together irregular band-like spots. Shields of 

 head brown, each with a narrow lighter edge. No temple- 

 streak ; beneath yellowish, with quadrangular black spots, more 



