150 MR. G. A. I50ULENGER ON A COLLECTION 



the paddles of boats, to wliicli the late E.J. Glave first drew attention ('Century 

 Magazine,' liii. 1897, p. 902), is no other than the adult of the Lates discovered by him, 

 and which was described in the first Report from young specimens. 



CiCH LIDiE. 



19. Lamprologds lemairii Blgr. 



Specimens obtained at Kibwesi and at Msambu show this fish to grow to a length 

 of 230 millim. It is by far the largest species of the genus. 



20. Lamprologus furcifer Blgr. 

 Msambu. 



21. Paratilapia vittata. (Plate XVIII. fig. 1.) 

 Bouleng. Ann. & Mag. N. H. (7) vii. 1901, p. 1. 



Depth of body 3f to H times in total length, length of head 2f to 3 times. Profile 

 of snout convex ; lower jaw projecting beyond the upper ; diameter of eye \\ to If 

 times in length of snout, 4 to 4f times in length of head, and equal to interocular 

 width ; maxillary extending to below anterior border of eye ; teeth m 3 or 4 rows, the 

 outer much larger than the others ; 3 or 4 series of scales on the cheek ; large scales 

 on the opercle. Gill-rakers short, 10 to 12 on lower part of anterior arch. Dorsal 

 XV-XVI 8-9 ; spines subequal from the seventh or eighth, which measures about 

 ^ length of head and f longest soft rays. Pectoral pointed, about f length of head. 

 Ventral reaching vent or origin of anal. Anal III 8-9 ; third spine longest, as long 

 as middle dorsal spines. Caudal feebly emarginate. Caudal peduncle 1| times as 

 long as deep. Scales with finely denticulate border, 33-35 Y]Zyi : ^at. 1. foijs- Olive 

 above, whitish beneath ; a blackish stripe on each side above the upper lateral line, 

 and a second from the opercle to the root of the caudal fin, passing over the lower 

 lateral line ; dorsal, anal, and caudal fins greyish or blackish, ventrals black in the 

 males. 



Total length 120 millim. 



Several specimens from Lake Kivu. 



22. Paratilapia aurita. ( Plate XIX. fig. 2.) 

 Bouleng. /. c. p. 2. 



Depth of body 3 to o\ times in total length, length of head 3^ to 3^ times. Snout 

 short, as long as or a little shorter than the eye, with slightly curved upper profile ; 

 lower jaw not projecting beyond the upper ; diameter of eye 3| to 3f times in length 

 of head, equal to or greater than interocular width ; maxillary extending to below 

 anterior fourth or third of eye ; teeth in 2 or 3 rows, the outer much larger than the 

 others ; 4 or 5 series of scales on the cheek ; large scales on the opercle. Gill-rakers 



