SNAKES. 61 
Chersydrus, Cuvier, R. A. ii. 75,1817, ed. 2, ii. Merrem, 
Tent. 138. Chersydreas (misprint), Gray, Ann. Phil. x. 1825, 207. 
Hydrus (Chersydrus), Merrem, Tent. 138, 1820. Pelamis sp., 
Daud. Acrochordus sp., Shaw, Zool. iii. Schlegel, Phys. Serp. 
425. 
1, The Cuersyprus. Chersydrus granulatus, Merrem, Tent. 
138. Hydrus granulatus, Schn. Amph. i. 245. Pelamis granula- 
tus, Daud. Rept. vii. 370. Acrochordus fasciatus, Shaw, Zool. iii. 
t. 130. Schlegel, P. S.ii.420. Bote, Isis, 1827,511. 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, with a few narrow white 
stripes on each side. India. Old collection. Named by Dr. 
Shaw. Acrochordus fasciatus, Shaw, 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., R.N. 
e. In spirits. Young. Black; white spots larger and more dis- 
tinct. 
2. The ANNULATED CHERsypRvus. Chersydrus annulatus. 
C. granulatus, var., 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. 
b, 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. 
e. In spirits. Young. Madras. Presented by Thomas E. Boileau, 
Esq. 
18. AcrocHoRDUs. 
Tail moderate, conical, tapering ; body fusiform, covered with 
tricuspid scales. 
Acrochordus, Hornstedt, in N. Schwed. Abh. 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. Bote, Isis, 1827, 511. 
G 
