PELMATOCHEOMIS. 423 



12. T^ypeoS P. melanostigma. Lo£n. Dr. W. A. Cumiington (C). 



13. T^yi^eof P. melanostig ma. Kituta. 



^t' ^''* ^°'""o- l^i-- L- Stappers (C). 



1^- ^''- Albertville. Capfc. Hecq (C). 



^^- ^-^^'^ Vua. Dr. L. Stappers (C). 



35. PELMATOCHEOMIS STAPPERSII. 

 Bouleng. Rev. Zool. Afr. iii. 1914, p. 444. 



Depth of body S^ to 41- times in total length, length of head 2| to 

 3 times. Head 2 to 2^ times as long as broad ; snout as long as 

 broad, with convex upper profile, as long as or a little longer than eye, 

 which is 2f to 3 times in length of head, nearly 1^ times interorbital 

 width, and nearly twice least depth of prseorbital ; mouth rather small, 

 not reaching vertical of anterior border of eye; teeth very minute, 

 in 4 or 5 series, forming a narrow band, 64 to 80 in outer row of upper 

 jaw ; 2 series of scales on the cheek, width of scaly part not quite 

 ^ diameter of eye. Gill-rakers short, 13 to 16 on lower part of anterior 

 arch. Dorsal XII-XIV 12-13 ; spines slender, equal in length from 

 the fifth or sixth, about f length of head, soft rays not or but slightly 

 longer. Anal III 8-9 ; third spine about ^ length of head. Pectoral 

 as long as or a little shorter than head, reaching or nearly reaching 

 origin of anal. Ventral reaching vent or a little beyond. Caudal with 

 deep crescentic notch. Caudal peduncle 1^ to If times as long as deep. 

 Scales finely denticulate, 34-38 xfzj^; lateral lines lorjg. Brownish, 

 with a lateral series of dark spots, which may be confluent into a band, 

 and a dorsal series of similar spots ; male with a large black opercular 

 spot and a series of brown spots along the dorsal, which is finely edged 

 with black ; female with a large blackish spot in the middle of the 

 spinous dorsal. 



Total length 95 millim. 



Lake Tanganyika. — Types in Congo ?>Iiiseum, Tervueren. 

 1-2. Types. Tulo. Dr. L. Stappers (C.). 



3-5. Types. Kilewa Bay. „ 



36. PELMATOCHEOMIS PLEUROSPILUS. 

 Bouleng. Tr. Zool. Soc. xvii. 1906, p. 567, pi. xxxix. fig. 2. 



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

 Head twice as long as broad ; snout as long as broad, with convex upper 

 profile, as long as or a little shorter than eye, wliich is 2f to 3 times in 



