72 KEPTILES. 



1843. Homalopsis sp., Boie, /si?, 1827. Schlegel, Phys. Serp. 

 An AT., Schlegel, Phys. Serp. 348. 



§ Eges over the suture of the fourth and fifth labial shields ; lower 

 half of sides pale. Scales in 19 rows. Tail short. Hypsi- 

 scopus. *S 



1. The Lead-coloitked Hypsirhina. Hypsirhina plumbea, 

 Wagler, Syst. Amph. 170. Gray, Znol. Misc. Q^. Homalopsis 

 plumbea, Kuhl, Boie, Isis, 1827, 560. Schlegel, Phys. Serp. 347, 

 t. 13, /. 12, 13. Hypsiscopus plumbeus, Fitz. S. R. 25. 



Tail very sliort, thick: lead-coloured, beneath white, black- 

 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. Hardwicke's Hypsirhina. Hypsirhina Hard\\-ickii, Gray, 

 lllust. 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, foi-ming a central streak: ventral shields whitish, lead- 

 coloured at the base. 



a. In spirits. Penang. Body 14|, tail 2\ inches. Presented by 

 Gen. HardAvicke. 



§ § Eye over the fourth labial shield ; loiver part of side with a 

 defined white streak. Hypsirhina. 



3. The Ular Aee, Hypsirhina Aer, Wagler, Syst. Amph. 170. 

 Fitz. S. R. 25. Homalopsis Aer, Boie, Isis, 1827, 560. Erp. Java, 

 Aer, t.4i\,ined. Schlegel, Phys. Serp. 347, t. 13,/. 10,11. Coluber 

 Oppell, Mus. Paris. Coluber Pythonissa, Daud. Rept. vii. 107. 

 Hydrus Euhydrus, Schn. H. Ampk. i. 245. Enhydras caeruleus, 

 Latr. Rept. vi. 202, from Russell, i. t. 30. Homalopsis olivaceus, 

 Cantor, Proc. Zool. Soc. 1838, 55. Hypsirhina trilineata. Gray, 

 Zool. Misc. QQ. 



