Dr. J. E, Gray on the Uropeltidse. 379 



Typhlops Philippinus, Cuvier, R. Anim. ii. 72. 

 Pseudotyphlops philippiims, Schlegel, Abbild. 44 (not figured) . 

 Hab. Philippines. 



This species is unknown to me. One specimen in the Paris 

 Museum. 



II. The tail cylindrical, subtruncate ; end covered with a single 

 homy convex tuberculated shield ,• nose acute. 



3. Mytilia. 



Caudal disk convex, covered with a single convex shield, covered 

 with small spine-like ridges ; rostral scales produced, more or less 

 acute. 



Rhinophis, Dum. & Bib. Erp. Ge'n. vii. 150. 



* Caudal shield with a slight perpendicular keel ; rostral scales 

 square, rather acute. 



1. Mytilia Gerrardi. 



Mytilia Gerrardi, Gray, Proc. Zool. Soc. 1858, p. 57. Rept. 

 pi. 13. 



Caudal disk large, with a slight perpendicular terminal keel ; 

 black ; white spot over the upper edge of disk. 

 Hab. Ceylon (i?. Ternpleton, Esq., 1845). 



2. Mytilia Temfletonii (fig. 2). 



Caudal disk small, covered with radiating lines of uniform spines, 

 with a slight perpendicular apical keel ; blackish-brown, with the 

 middle of the scales rather paler, a large irregular yellow streak on 

 each side of the neck, and a few yellow cross-bands on the sidfs, 

 becoming small and more indistinct behind ; a yellow spot on each 

 side of the vent, extending in an irregular narrow line to the end 

 of the tail. 



Hab. Ceylon {R. Ternpleton, Esq.). 



** Caudal shield convex, rounded, without any terminal keel; 

 rostral shield compressed, produced, very acute. — ? Rhinophis, 

 Heinpr. 



3. Mytilia unimacxjlata (fig. 4). 



Uniform grey-brown (in spirits), with pale edges to the scales, 

 those of the under side being the broadest, with a single oblong 

 transverse yellow spot in front of the vent. 



Hab. Ceylon (Thwaites) . 



We have two specimens of this species, — one not in a good state, 

 rather discoloured, being uniform red-brown, from the Haslar col- 

 lection, and another, in good state, received from Mr. Thwaites in 

 1856. They both have the same preanal spot and keelless caudal 

 shield. 



