SNAKES. 61 



Cliersydms, Cuvier, R. A. ii. 75, 1817, ed. 2, ii. Merrem, 

 Tent, 138. Chersydraeas (misprint), Grat/, Ann. Phil. x. 1825, 207. 

 Hydnis (Cliersydms), Alerrem, Tent. 138, 1820. Pelamis sp., 

 Daud. Acrocliordus sp., Shatv, Zool. iii. Schlegel, Phys. Serp. 

 425. 



1. The Chersydrus. Chersydrus graniilatiis, Merrem, Tent. 

 138. Hydrus granulatus, Schn. Amph. i. 243. Pelamis granula- 

 tus, Daud. Rept. vii. 370. Acrocliordus fasciatus, Shaw, Zool. iii. 

 ^.130. Schlegel, P. S.ii. 420. Boie, Isis, ] 827, 511. Wiegm. N. 

 Act. Leop. xvii. 1835, 245. 



Black, with alternating, transverse, ovate-lanceolate spots on 

 each side ; head white-spotted ; tail with roundish white spots. 



a, b. In spirits. Nearly adult. Black, y\iih a few narrow white 

 stripes on each side. India. Old collection. Named by Dr. 

 Shaw. Acrochordus fasciatus, Shaiv, Zool. iii. t. 130. 



c, d. In spirits. Adult. Black ; ventral keel white, with some nar- 



row white stripes on each side behind. Presented by Capt. 

 Sir Edward Belcher, K.C.B., E.N. 

 e. In spirits. Young. Black ; white spots larger and more dis- 

 tinct. 



2. The Annulated Cheesy deus. Chersydi'us annulatus. 

 C. granulatus, rar., Gray, Zool. Misc. 63. 



Black, with broad yellow rings, which are generally interrupted 

 on the back ; head with many yellow spots ; tail yellow-ringed. 



a. In spirits. Nearly adult. Head large. Singapore. Presented 



by General Hardwicke. 

 5, c. In spirits. Nearly adult. Madras. Presented by J. C. Jer- 



don, Esq. 



d. In spirits. Young. Sumatra. From the Leyden Museum. 



Acrochordus fasciatus, Schlegel. 

 €. In spirits. Young. Madras. Presented by Thomas E. Boileau, 

 Esq. 



13. Acrochordus. 



Tail moderate, conical, tapering ; body fusiform, covered with 

 tricuspid scales. 



Acrochordus, Hornstedt, in N. Schwed. Ahh. vii. 294, 1797. 

 Lacep. Quad. Ovip. ii. 272. Daud. Rept. vii. 388. Cuv. R. A. ii. 

 72, ed. 2, ii. Merrem, Tent. 81. Fitz. N. Syst. 54, 1826. Gray, 

 Ann. Phil. X. 207, 1825. Zool. Misc. 1842. Boie, Isis, 1827, 5U. 



G 



