150 COITJEElDiE. 



nape ; prae- and postoeulars and upper lip greenish yellow ; some- 

 of the labials with the sutures black ; belly and tail below greenish 

 yellow or pale green, uniform or with a series of black dots or short 

 lines on the outer ends of the ventrals. 



Total length 1090 miUim. ; tail 330. 



Tropical Africa. 



a~d. Hgr. (V. 151 ; 0. ?) Niger. J. W. Crosse, Esq. [P.].. 



&yg.(V. 141,152,146; 



0.103,105,?). 

 e. tJ (V. 146 ; 0. ?). Liberia. Dr. Buttikofer [C.]. 



/. (J (V. 149 ; C. 78). Coast of Zanzibar. 



g. 2 (V. 149 ; C. 99). Lado. Dr. Emin Pasha [P.]. 



^. $ (V. 169 ; C. .P). Central Africa. Lieut. Chippendale[P.], 



t,A. (? (V. 147; 0. 101) Africa. Mr. Argent [C.]. 



& 5 (V. 140 ; C. 98). 

 I. Yg. (V. 146; C. 93). Africa. 



m. Skull of h. 



2. Dromophis prsBornatus. 



Dendrophis prseomata, Schleg. Phys. Serp. ii. p. 236 (1837). 

 Oxyrhopus prseornatus, Dwm. §• Bibr. vii. p. 1039 (1854). 

 Chrysopelea prseornata, Gunth. Cat. p. 147 (1858), and Ann. ^ 



Mag. N. H. (3) xv. 1865, p. 95 ; Jan, Icon. Gen. 83, pL ii. fig. 2' 



(1869). 

 Dromophis prseornatus, Peters, Mon. Berl. Ac. 1869, p. 447 ; Steind.- 



Sitzb. Ak. Wien, Ixii. 1870, p. 333. 



Snout once and a half to once and two thirds the diameter of the 

 eye. Eostral a little broader than deep, visible from abore ; nostril 

 between two shields ; internasals rather more than half as long as the 

 prsefrontals ; frontal twice to twice and a half as long as broad, nearly 

 as broad as the supraocular, longer than its distance from the end 

 of the snout, shorter than the parietals ; loreal once and a half to 

 once and two thirds as long as deep ; one praeocular, in contact 

 with or narrowly separated from the eye ; two postoeulars ; tem- 

 porals 1 + 2 ; eight upper labials, fourth and fifth entering the 

 eye ; four or five lower labials in contact with the anterior chin- 

 shields, which are as long as the posterior. Scales in 15 rows. 

 Ventrals 161-180 ; anal divided ; subcaudals 110-122. Pale olive 

 above, with black cross-bands anteriorly, black spots or a red 

 vertebral stripe in the middle, and three black stripes posteriorly ; 

 the cross-bands most regular on the head ; lower parts uniform 

 white. 



Total length 550 milUm. ; tail 175. 



West Africa. 



«. ? (V. 177 ; C. 110). Niger. W. A. Forbes, Esq. [P. V 



b-c. ? (V. 161 ; C. Ill) & W. Africa. Mr. Argent [CI. 

 yg. (V.180; C.P). 



d. Yg. (V. 167 ; C. ?). W. Africa. Mi-. Dalton [C.l. 



e. 6 (V. 177 ; 0. ?). W. Africa. 



