PETROCimOMfS. 



271 



extending to between nostril and eye, upper lip very thick; 4 to 6 

 series of scales on the cheek. Gill-rakers very short, 10 to 13 on lower 

 part of anterior arch. Dorsal XVII-XIX 8-10; spines increasing in 

 length to the sixth or eighth, which measures about f length of head ; 

 longest soft rays | to f length of head. Anal III 7-8 ; third spine as 

 long as and stronger than longest dorsal. Pectoral as long as or a little 

 shorter than head, reacliing origin of anal or not quite so far. Ventral 



Fi^. 184. 



J'ttrUihroiitis puJijodoa, 

 Type (Tr. Z. S. 1898). f , 



reaching vent or anal. Caudal truncate. Caudal peduncle as long as 

 deep. Scales feebly denticulate, 32-34 



3-4 



lateral lines 



2--24 



12-13' A««'^"ii liiico i3_i7- 



Olive-brown above, lighter beneath, fins grey or blackish ; anal some- 

 times with several bright yellow spots. 

 Total length 200 millim. 



Lake Tanganyika. 



1. Type. 



•2. Type. 

 3-4. A(l. 



.5. Hjrr. 



(•. Ad. 



7. Ad. 



8. Skel. 



Kinviunkolo. 



Mbity Rock?. 



Niainkolo. 



Pern be. 



Moliro. 



Tumpn. 



L. Tiiniianvikii. 



Prof. J. E. S. Moore (C). 

 Dr. W. A. Cunnington (C). 

 Dr. L. Stappers (Cj. 

 Trof. J. E. S. Moore (C). 



