j42 reptiles. 



1. Dasypeltis scabra. 



Coluber scaber, Linn. Mus. Ad. Fried, t. 10. f. 1, and Syst. 

 Nat. i. p. 384 ; Merr. Beitr. i. t. 9, and Tent. p. 126; Shaw, 

 Zool. iii. p. 494 ; Daud. Rept. vi. p. 263 ; Daubent. Quadr. Ovip. 

 Serp. p. 589 ; Lacep. Quadr. Ovip. Serp. ii. p. 198 ; Bonnat. 

 Ophiol. p. 22 ; Latr. Rept. iv. p. 77 ■ Anodon typus, A. Smith, 

 Zool. Journ. 1829, p. 443. Dasypeltis scabra, Wagler, Syst. 

 Amph. p. 178; A. Smith, III. of S. Africa, App.Tp. 20 (Eijervre- 

 ter), and in text to D. inornatus. Tropidonotus scaber, Schley. 

 Ess. pi. 12. f. 12, 13. — Anatomy: Reinhardt, Kongl. Danske 

 Vidensk. Afh. 1843, pi. 1. f. 24. Deirodon scaber, Oiven, Odon- 

 togr. p. 220, and Rapp, Untersuchungen iiber die Giftwerkz. 

 der Schlangen in der Dissert, von Bdchtold, Tubingen, 1843. 

 Rachiodon scaber, (Jourdan) Dum. Sf Bibr. vii. p. 491. 



Scales in twenty-five rows. Brown, with a vertebral series of 

 large, sometimes confluent black spots ; on each side narrower 

 spots ; crown of head with black arrow-shaped markings. 



a. Adult. Cape. 



b. Adult. Cape. Voyage of H.M. Ship ' Herald.' 



c. Half-grown. Cape. From Paris. 



d. Adult. South Africa. 



e. Young. West Africa. From Mr. Rich's Collection. 



f, g. Half-grown. S. Africa. From Mr. Argent's Collection. 

 h. Young. South Africa. From the Leyden Museum. 



2. Dasypeltis palmarum. 



Coluber palmarum, Leach, in Tunkey's Narrative Explor. 

 River Zaire, 1818, App. p. 408. Dasypeltis inornata, Smith, III. 

 of South Africa, pi. 73 ; Dum. 8,- Bibr. p. 498. 



Scales in twenty-three rows. Uniform brown above, yel- 

 lowish beneath. 



a. Adult. Boma ; River Congo. Found on palm-trees. From 



Dr. Leach's Collection. Type of his description. 



b. Adult. Old Calabar. Presented by — Logan, Esq. 



Fam. VIII. DENDROPHIDtE. 



Body very slender and elongate, pentagonal ; head generally 

 elongate, narrow, flat, depressed, distinct from the exceedingly 

 slender neck ; snout protruding, rounded, or obtuse in front ; 

 upper jaw rather longer than lower ; rostral broad, depressed ; 

 mouth deeply cleft ; nostril lateral, small ; eye moderate or large, 

 pupil round ; anterior ocular one, posterior two to three ; shields 



