88 ME. G. A. BOULENGEE ON A COLLECTION 



Serranid^e. 



1. Lates jiicrolepis Blgr. 



Originally described from young specimens, 155 millim. long. The adult, measuring 

 800 millim. and weighing 14 lbs., has, as could be expected, very different proportions 

 and is of a uniform dark silvery colour. The eye is contained 9 times in the length 

 of the head, which is -J of the total ; longest dorsal spine ^ length of head. Caudal 

 peduncle and caudal fin as in the young. 



Native name : " Sangala." 



ClCHLID^E. 



2. Lamprologus lemairii, sp. n. (Plate XVIII. fig. 1.) 



A few moderately large curved canine teeth in front of each jaw, followed by a 

 narrow band of minute teeth ; lateral teeth very small. Depth of body 3| times in 

 total length, length of head 2f . Snout slightly longer than the diameter of the eye, 

 which is 3f times in length of head and nearly double interorbital width ; maxillary 

 extending to slightly beyond vertical of anterior border of eye ; cheeks and occiput 

 naked ; a few small deciduous scales on the opercles. Gill-rakers short, 9 on lower part 

 of anterior arch. Dorsal XIX 7 ; spines equal from the fifth, which measures a little 

 more than -J length of head and f longest soft rays. Pectoral f length of head. 

 Ventral reaching origin of anal. Anal VIII 5 ; spines increasing in length to the last, 

 which slightly exceeds longest dorsals. Caudal rounded. Caudal peduncle a little 

 longer than deep. Scales 48 ^i ; lat. 1. ~. Pale brown, most of the scales dark- 

 edged ; a blackish oblique bar from below the anterior third of the eye to the maxillary ; 

 a large blackish opercular spot ; three oblique blackish bands, descending forwards, on 

 each side of the back, extending on the base of the dorsal ; dorsal and anal tipped 

 with blackish. 



Total length 107 millim. 



A single specimen. 



This species takes its place in the series between L. moorii and L. congoensis. 



3. Telhatociiromis temporalis Blgr. 

 Native name : " Muchetila." 



4. Paratilapia dewindti, sp. n. (Plate XVIIL fig. 2.) 



Teeth very small, in 3 or 4 series in buth jaws, the outer scarcely larger and not 

 tipped with brown. Depth of body equal to length of head, nearly 3 times in total 



