FRESH-WATER FISHKS, BATI^'ACITIAXS AXD IJI-irTILES. 235 



tVontsil liexagonal, once ami a halt' as long' as ])roadj longei" 

 than its distance from the end of the snout, shorter than the 

 ])arietals ; nasal entire ; supraocnlar small ; a very small post- 

 ocular; a single temporal; six upper labials, second and third 

 in contact with the prefrontal, third and fourth entering the 

 eye, fifth very large and forming a long suture with the 

 parietal ; four lower labials in contact with the anterior chin- 

 shields, fourth very large and narrowly separated from its 



Text-fig. :i. 



fellow by the chin-shields. Scales in 19 rows. Yentrals 161 ; 

 anal divided ; sub-caudals 26. Uniform plumbeous grey. 



Total length 235 millim. ; tail 25. 



A single female specimen fi-om Kosi Bay, Zululand. 



In the number of rows of scales this species is intermediate 

 between C. unicolor Reinh. and C.polylepis Socage ; it 

 diifers from both in having the nasal shield entire. C . mironi 

 Mocqnard, recently described from Natal, is stated to have 

 the nasal divided, the scales in 17 rows, and onl}- 133 ventral 

 shields. 



VOL. 1, PART 3. 18 



