PEOrATOCimOMIS. 



425 



broad, with more or less convex upper profile, as long as eye, which is 

 3 times in length of head, nearly 1^ times interorbital width, and 1| to 

 If times least depth of prseorbital ; mouth moderate, extending to below 

 anterior border of eye ; teeth in 3 series, forming a narrow band, a few 

 on the sides of the lower jaw strongly enlarged ; 40 to 50 teeth in outer 

 row of upper jaw ; 2 or 3 series of scales on the check, width of scaly 

 part about ^ to f diameter of eye. Gill-rakers short, 10 to 13 on lower 

 part of anterior arch. Dorsal XlII 12-14; spines equal from the fifth 

 or sixth, about | length of head, soft rays not longer. Anal III G-8 ; 

 third spine as long as longest dorsal. Pectoral as long as head, reaching 

 origin of anal. Ventral reaching origin of anal or not quite so far. 



Fig. 29] . 



Pehnatochronus rhodostigma. 

 Type (Tr. Z. S. 190G). 



Caudal with deep crescentic notch. Caudal peduncle 1| to 1^ times 



Ql 



as long as deep. Scales finely denticulate, 32-35 jo_^j ; lateral lines 

 v-i'f. Olive above, silvery white below; longitudinal series of pink dots 

 on the body or a lateral series of greyish spots; throat pink, a dark 

 opercular spot sometimes present ; dorsal streaked with pink, with a 

 dark streak running along the middle; pectorals and ventrals pink; 

 a pink band on each lobe of the caudal. 



Total length 90 millim. 



Lake Tanganyika. 

 1-2. Types. Mslude. Dr. W. A. Cunniiioton (C). 



?;. Ad. Uvira. I'r. b. Stai-pers (().)• 



4. A(]. ]\rontli of Little Riisi^i K. ;, 



