46 CYPEINODONTID.E. 



above anterior third of anal ; posterior rays longest, \ to § length of 

 head. Anal 14-15, pointed like the dorsal. Pectoral \ length of head, 

 reaching beyond base of ventral ; latter nearer end of snout than root of 

 caudal. Caudal rounded, nearly as long as head. Caudal peduncle 1 

 to lij- times as long as deep. 27-29 scales in longitudinal series, 16-18 

 round body in front of ventrals ; no lateral-line pits. Yellowish, more 

 brownish on the back, where the scales have darker outlines ; a 

 dark lateral streak sometimes present; fins greyish or purplish. 



Total length 55 millim. 



Lakes Tanganyika and Victoria. 



1-3. Types. Kitutu, L. Tanganyika. Dr. W. A. Cunnington (C). 



4-5. Ad. Sambala R., L. Tanganyika. Dr. L. Stappers (C). 



6-11. Ad.&hgr. Lnfuko R., 

 12-21. Types. Entebbe, L. Victoria. Mr. E. Degen (C.). 



22. Ad. Sesse Ids., „ Dr. E. Bayon (0.) ; Genoa 



Museum (P.). 



4. HAPLOCHILUS CHRIST YI, sp. n. 



Depth of body 4 to 4f times in total length, length of head 3f to 

 4 times. Head fiat above ; snout broad, rounded, shorter than eye ; 

 mouth directed upwards ; lower jaw slightly projecting ; eye 2§ to 

 3 times in length of head, about 1| times in interorbital -width ; prae- 

 orbital very narrow. Dorsal 10-11, originating twice as far from eye as 

 from root of caudal, above middle of anal ; posterior rays longest, as long 

 as or a little longer than head in male, shorter in female. Anal 14-15. 

 Pectoral § to f length of head, not reaching base of ventral ; latter 

 small, equally distant from end of snout and from root of caudal, or a 

 little nearer former. Caudal rounded, as long as head in female, a little 

 longer in male. Caudal peduncle If to 2 times as long as deep. 32 to 

 34 scales in longitudinal series, 22-24 round body in front of ventrals ; 

 lateral line represented by a more or less distinct series of shallow pits. 

 Yellowish or pale olive above, the scales edged with darker ; male with 

 more or less numerous canijine spots, these spots absent or very small in 

 the female ; fins of male with round carmine spots, caudal with an upper 

 and a lower carmine edge. 



Total length 50 millim. 



Lindi River, Congo. — Types in Congo Museum, Tervueren. 

 1-10. Types. Lindi R. Dr. C. Christy (C). 



