72 REPTILES. 
1843. Homalopsis sp., Bote, Isis, 1827. Schlegel, Phys. Serp. 
Anat., Schlegel, Phys. Serp. 348. 
§ Eyes over the suture of the fourth and fifth labial shields ; lower 
half of sides pale. Scales in 19 rows. Tail short. Hypsi- 
scopus. 
1. The Leap-coLovrep Hypsiruina. Hypsirhina plumbea, 
Wagler, Syst. Amph. 170. Gray, Zool. Misc. 66. _Homalopsis 
plumbea, Kuhl, Bote, Isis, 1827, 560. Schlegel, Phys. Serp. 347, 
t. 13, f. 12, 18. Hypsiscopus plumbeus, Fitz. S. R. 25. 
Tail very short, thick: lead-coloured, beneath white, biack- 
marbled. 
Var. Bornensis. Purplish brown, with a black dorsal streak ; 
beneath whitish ; shields darkish edged. 
a. In spirits. Adult. Borneo. From the Leyden Museum. 
2. Harpwicke’s Hypsiruina. Hypsirhina Hardwickii, Gray, 
Illust. Ind. Zool. t. Zool. Misc. 67. Homal. plumbea, var., Schle- 
gel, 347. 
Lead-coloured ; back with three rows of small scattered black 
spots ; the two last series of scales on each side white, lead-coloured 
at the base: scales in nineteen rows, minutely punctate, rather 
pale-edged: tail short, tapering: subcaudal plates whitish, blackish 
edged, forming a central streak: ventral shields whitish, lead- 
coloured at the base. 
a. In spirits. Penang. Body 143, tail 23 inches. Presented by 
Gen. Hardwicke. 
§§ Eye over the fourth labial shield; lower part of side with a 
defined white streak. Hypsirhina. 
3. The Utar Aer. Hypsirhina Aer, Wagler, Syst. Amph. 170. 
Fitz. S. R. 25. Homalopsis Aer, Bote, Isis, 1827, 560. Erp. Java, 
Aer, ¢.41, ined. Schlegel, Phys. Serp.347, t. 13, f. 10,11. Coluber 
Oppell, Mus. Paris. Coluber Pythonissa, Daud. Rept. vii. 107. 
Hydrus Enhydrus, Schn. H. Amph. i. 245. Enhydrus ceruleus, 
Latr. Rept. vi. 202, from Russell, i. t. 30. _Homalopsis olivaceus, 
Cantor, Proc. Zool. Soc. 1838, 55. Hypsirhina trilineata, Gray, 
Zool. Misc. 66. 
