144 REPTILES. 



phis colubrina, Schleg. Ess. pi. 9. f. 14-16. Bucephalus typus, 

 [Smith) Dum. ^ Bibr. p. 878. 



Coloration variable. 



Var. A. viridis. Smith, I. c. t. 3. 

 Green above, paler beneath. 



a. Adult. Africa. Old Collection. 



Var. B. Smith, I. c. t. 12. 

 Uniform dark olive. 



b. Adult. Port Natal. Presented by the Rev. H. Calloway. 



c. Adult : bad state. South Africa. Presented by Sir J. Mac- 



Gregor. 



Var. C. Smith, Zool. Journ. 1829, t. 10, 11, and l. c t. 10. 

 Brown, each scale of the two outer rows with a yellow spot in 

 the centre. 



d. Adult. Africa. From Mr. Argent's Collection. 



Var. D. Smith, III. t. U. 



Brown, each scale with a spot in the centre. 



e. Adult. West Africa. From Mr. Argent's Collection. 

 /, g. Adult. Africa. From Mr. Argent's Collection. 



h. Adult : rather discoloured. Africa. Old Collection. 



2. Hapsidophrys, Fischer. 



Body and tail elongate and slender ; belly angular ; head high, 

 distinct from neck, with rounded crown ; eyes large, pupil round ; 

 one loreal, one anterior, two (three) posterior oculars; eight 

 upper labials ; scales elongated, lanceolate, keeled ; those of the 

 vertebral row^ equal to the others ; ventral plates with moderate 

 keels; subcaudal plates two-rowed. Two or three posterior 

 maxillary teeth longer and stronger, smooth. Africa. 



Hapsidophrys, Fischer in Abhdlg. aus dem Gebiete der Naturw. 

 1856, p. 110. 



1. Hapsidophrys lineatus. 



Hapsidophrj's lineatus, Fischer, Z. c. p. 1 1 1 . t. 2. f. 5a, 5b. Den- 

 drophis nigrolineatus, {Schleg.) Nomenclat. Reptil. Mus. Zool. 

 Berol. p. 26. 



Anal entire; five temporal shields, two (three according to 

 Fischer) posterior oculars. Bluish black, each keel bluish green, 

 forming together longitudinal lines. 



