SICTDIUM. 43 



Sijnopsis of tit c Species. 



I. Movable teelli in upper jaw uiiicuspitl ; fp. 43. 



conical teeth in lower jaw subequal . . 1. ^. brevifiUs, Ogilvie-Grant, 



II. Movable teeth in tipper jaw tricuspid. 



A. Conical teeth in lower jaw subequal. 



Head as broad as deep ; nape naked .... 2. -S. acutipinnis, Guich., p. 44. 



B. Anterior conical teeth in lower jaw much larger than the others. 

 Head broader than deep ; nape and belly 



f^caly Z. S. laticeps, C. & V., p. 44. 



Head as broad as deep; nape and belly scaly . 4. ,S'. lagor.ephalum. Pall., p. 45. 

 Belly naked ; 5. -V. pampinnis, Guich., p. 45. 



FiK. 2.-.. 





Sicydium hrevijilis. 

 Type, after Ogilvie-Grant {1. c). |. 



1. SICYDIUM BRE\^IFILTS. 



Ogilvie-Grant, Proc. Zool. Soc. 1884, p. 158, pi. xii. fig. 1 ; Pletschmann, Jahrb. 

 Nass. Ver. Naturk. Ixvi. 1913, p. 183. 



Depth of body 5i to 6 times in total length, length of head 3f to 

 4J times. Head as deep as broad ; eye 4 (young) to 7 times in length 

 of head, 1 to If times in inteiorbital width ; mouth extending to below 

 centre or posterior border of eye ; movable labial teeth unicuspid ; 

 mandibular teeth subequal. Dorsals VI, I 10, narrowly separated, 

 second to fifth simple rays produced into short filaments. Anal I 10. 

 Pectoral a little shorter than head. Caudal rounded. Body entirely 

 scaly ; 70-75 scales in longitudinal series. Yellowish brown or pale 

 olive, uniform or with ill-defined dark spots on the sides; anal fin with 

 a brown and white margin. 



Total length 105 millim. 



Cameroon. 



1. Type. Cameroon. Sir A. Smith (P.). 



2-.",. Yg. Kribi R. at Kribi. G. L. Bates, K«|. (C). 



