90 ME. G. A. BOULENGEE ON A COLLECTION 



covered -with a thin skin. Gill-rakers short, 10 on lower part of anterior arch. Dorsal 

 X 11 ; spines f length of head, a little shorter than longest soft rays. Pectoral acutely 

 pointed, as long as head. Ventral reaching origin of anal. Anal III 10 ; third spine 

 nearly as long as dorsals. Caudal with deep crescentic notch. Caudal peduncle 1^ as 

 long as deep. Scales cycloid, 30f ; lateral line reduced to a few (6 or 7) short tubes 

 in the upper series. Pale brownish above, white beneath ; a bluish lateral stripe ; fins 

 yellowish, dorsal and anal edged with blackish. 



Total length 63 millim. 



Two specimens. — Native name : " Lilowe." 



GHAMMATOTKIA, g. n. 



Body elongate ; scales ctenoid ; three incomplete lateral lines. Jaws narrow, with 

 a band of minute conical teeth and an outer series of rather longer ones ; maxillary 

 concealed under the prgeorbital when the mouth is closed. A large papillose pad on 

 each side of the pharynx, between the gills. Dorsal with 15 spines, anal with 3. 



7. GEAMMATcmiA LEMAiEii, sp. n. (Plate XVIII. fig. 3.) 



Depth of body 4 times in total length, length of head 3- Snout with slightly 

 convex upper profile, 1|- diameter of eye, which is 3|- in length of head and equals 

 interocular width ; maxillary extending to between nostril and eye ; 8 series of 

 scales on the cheek ; opercle covered with scales. Gill-rakers short, 12 on lower part 

 of anterior arch. Dorsal XV 14 ; spines slender, equal from the fifth, which measures 

 nearly ^ length of head ; soft rays not longer than the spines. Pectoral acutely 

 pointed, nearly as long as head, extending as far as origin of anal. Ventral reaching 

 vent. Anal III 10 ; third spine a little stronger and shorter than longest dorsals. 

 Caudal with deep crescentic notch. Caudal peduncle 2f as long as deep. Scales 



6-7 48-52 



55 -j3 ; lat. 1. 26 . Pale brown above, yellowish beneath ; a small dark brown 



opercular spot ; a round brown spot on caudal peduncle at root of caudal fin ; dorsal 

 fin greyish, the soft portion with round white spots ; other fins yellowish. 



Total length 175 millim. 



A single specimen. — Native name : " Murungi." 



8. EcTODUS 1 DESGAMPsi BlgT. (Plate XIX. fig. ,2.) 



Depth of body 3^ times in total length, length of head 3. Snout short, with curved 



' To the generic characters as given in the original description must be added the presence of a large dermal 

 pad in front of the upper part of the gi'll-arches, same as in Felmatochromis and €hramidotilapia. 



