ASPROTILAPIA, 



279 



caudal region ; scales ctenoid ; two incomplete lateral lines. Teeth 

 small, with long slender shafts and expanded tricuspid crowns, in 

 two series in both jaws. Mouth inferior, transverse ; greater part of 

 maxillary bone concealed under the prseorbital. Dorsal with 14 spines, 

 anal with 3. Parietal and occipital crests moderately strong, extending 

 to between the orbits. Vertebrae 35 (16-|-19). 



Lake Tanganyika, 



Connected witli Tilapia through T. lnnj)s. 



1. ASPUOTILAPIA LEPTURA. 

 Bouleng. 11. cc, Tr. pi. xx. fig. 2 ; Pellegr. t. c. p. 35-i. 



Depth of body 5 times in total length, length of head 3| to 4 times. 

 Head twice as long as broad ; snout as long as broad, subconic;il, 

 btrongly projecting beyond the mouth, J length of head ; eye very 



Fig. TOO. 



AsprotUapia Jeptura.* 

 Type (Tr. Z. S. 1901). f. 



large, as long as snout and nearly twice interorbital width, 2? to 2^^ 

 times in length of head ; width of mouth f that of head ; 3G to 40 

 teeth in outer row of upper jaw ; 3 series of small scales on the cheek. 

 Gill-rakers very short, tubercle-like, 15 or 16 on lower part of anterior 

 arch. Dorsal XIV 14 ; spines slender and subequal, f length of head ; 

 soft rays a little longer. Anal III 8; third spine nearly as long as 

 dorsals. Pectoral a little shorter than head. Ventral reaching vent, 

 ('audal deeply emarginate, crescentic. Caudal peduncle 3 times ns 

 long as deep. Scales strongly denticulate, 38 q; lateral lines oq. Brown, 

 darker on the snout and vertex ; a blackish opercular spot ; fins greyish. 



Total length 110 millim. 



Lake Tanganyika. 



1. Typo. Msainbn. Prof, .1. E. S. :\roore (C). 



2. Ad. L. Tanfranvika. 



.3. Skel. „ ., 



