62 GLVUCONIID^. 



two labials, the first of which is verj' small. 14 scales round the 

 body. Diameter of body 113 times iu the total length; length of 

 tail 10 times. Colourless. 



Total length 170 millim. 



Nubia, Euphrates (?). 



a-b. Euphrates Expedition. 



2. Grlauconia distant!. 



Glauconia distanti, Boulenq. in Distant, Natur. in the Transvaal, 

 p. 175, fig. (1892). 



Snout rounded, projecting beyond the mouth, slightly hooked, 

 the praooral portion concave interiorly ; supraocular present ; rostral 

 shield very large, extending posteriorly far beyond the level of the 

 eyes, its upper portion ncarlj'' as broad as long and covering almost 

 the entire upper surface of the snout and crown ; nasal completely 

 divided into two, the lower part very small ; ocular bordering the 

 lip, between two labials, the anterior of which is very small ; five 

 lower labials. 14 scales round the body. Diameter of body 05 

 times in the total length ; length of tail 12 times. Uniform blackish, 

 the borders of the scales lighter. 



Total length 130 millim. 



Transvaal. 



a. Ad. Pretoria. W. L. Distant, Esq. [P.]. (Type.) 



3. Glauconia rostrata. 



Stenostoma rostratum, Bocaye, Jorn. Sc. Lish. xi. 1886, p. 173. 

 Glauconia rostrata, Bouleng. Ann. ^ Mag. N. H. (6) vi. 1890, p. 92. 



Snout prominent, slightly hooked, with sharp horizontal edge ; 

 supraocular present ; rostral broad, its posterior extremity truncate 

 and extending beyond the level of the eyes ; nasal completely 

 divided ; ocular bordering the lip, between two labials. 14 scales 

 round the body. Diameter of body 64 times in the total length ; 

 length of tail 16 times. Light brown above, the borders of the scales 

 lighter. 



Total length 192 mHlim. 



Benguela and Angola. 



a. Hgr. Angola. Lieut. Cameron [P.]. 



4. Glauconia affinis. (Plate III. fig. 7.) 

 Steuostoma afiine, Bouleng. Ann. Sf Mag. N. H. (5) xiii. 1884, p. 396. 



Snout rounded ; supraocular present, small ; rostral not extending 

 quite to the level of the eyes ; nasal completely divided into two ; 

 ocular borderiug the lip, between two labials, the anterior of which 

 reaches the eye and is broader than the lower part of the ocular ; 

 six lower labials. 14 scales round the body. Diameter of body 



