THE TANGANYIKA PROBLEM. 



191 



58. Grammatotria lemairii. — Blgr. 1899. (Fig-, p. 189.) 



Depth of body 4 times in total length, length of head 3. Snout with slightly 

 convex upper profile, i£ diameter of eye, which is 3! in length of head and equals 



. •;■ V 







• ■ 





Paratilapia vittata. See p. 176. 



interocular width ; maxillary extending to between nostril and eye ; three series of 

 scales on cheek ; opercle covered with scales. Gill-rakers short, 12 on lower part of 

 anterior arch. Dorsal XV. 14; spines slender, equal from the fifth, which measures 



Xenotilapia sima. See p. 190. 



nearly \ length of head ; soft rays not longer than the spines. Pectoral acutely 

 pointed, nearly as long as head, extending as far as origin of anal. Ventral 

 reaching vent. Anal III. 10 ; third spine a little stronger and shorter than longest 



