180 reptiles. 



5. Leptognathus catesbyi. 



Coluber compressus, Daucl. Rept. vi. p. 247. Coluber catesbyi, 

 Weigel in Meyer's Archiv, ii. 55-66 ; Merr. Tent. p. 128. Dipsas 

 catesbyi, Boie, Isis, 182/, p. 560; Wagl. Syst. Amph. p. 181; 

 Schleg. Ess. t. 11. f. 21-23; Tschudi in Wiegmann's Arch. 

 1845, p. 165. Stretnmatognathus catesbyi, Dum. Sf Bibr. vii. 

 p. 522. 



Body slender, compressed ; one loreal, two anterior oculars ; 

 eight upper labials. Above dirty white with a series of large 

 rounded or polygonal brown spots ; a white collar and a white 

 band across the forehead. 



a. Adult. Surinam. From the Leyden Museum, as Dipsas 



weigelii. 



b. Half-grown. Para. From Mr. Stevens's Collection. 



c. Adult. Berbice. Presented by Lady Essex. 



d. Adult : head injured. America. 



e. Young. America. 



/. Adult : bad state. America. Presented by the College of 

 Surgeons. 



6. Leptognathus indicus. 



Seba, i. 43. 4 ; Scheuchz. iv. 654. 5. Dipsas indica, Laur. Syn. 

 Rept. p. 90; Wagl. Syst. p. 181. Coluber bucephalus, Shaw, 

 Zool. iii. p. 422. pi. 109; Merr. Tent. p. 128. Bungarus bu- 

 cephalus, Uppel, Ann. Mus. d'Hist. Nat. 1810, p. 392. Dipsas 

 bucephala, Schinz, Thierreich, ii. p. 117 ; Boie, Isis, 1827, p. 549 ; 

 Schleg. Ess. pi. 11. f. 16-18. Dipsadomorus indicus, Dum. £f 

 Bibr. p. 420. 



Body and tail very slender, much compressed ; loreal none ; 

 upper labials nine ; two anterior oculars. Brown, with about 

 fifty lighter cross bands marbled with brown ; belly coloured 

 like cross bands; each cross band beneath with a white spot. 

 Sumatra. 



a. Adult : head injured. East Indies. From the Zoological 

 Society's Collection. 



8. Tkopidodipsas, GUnther. 



Body and tail moderate, compressed; head not much depressed, 

 subquadrangular, rather broad behind, with blunt, rounded muzzle, 

 distinct from neck; rostral shield moderate; one loreal, two an- 



