sicYDir^r. 



43 



Sijnopsis of the Spcciea. 



I. ilovablo tcclli ill upper jaw uiiicusiiiil ; IP- ^•'• 



conical teeth in lower jaw sube(iiial . . 1.5. brevijilis, Ogilvie-Grant, 



II. Movable teeth in u|)per jaw tricuspid. 

 A. Conical teeth in lower jaw subequal. 



Head as broad as Jeep ; nape naked . ... 2. S. aetitipinnis, Guk-h., \\ ii. 



P>. Anterior conical teeth in lower jaw nuich larger than the others. 

 Head liroader than deep ; nape and belly 



scaly Z. S.laticeps,Q. SiY-.y-U. 



Head as broad a- deep; na[ie and belly scaly . 4. S. liKjorepJiahnii, Pall., p. 4."). 

 Belly naked :>. .S. /nnvi/riniii.-<, ihuvh., \i. i'>. 



Fitr. -^r 



,Sic//iiiiiiti hri'rijilis. 

 Type, after Ogilur-tJniiit {I. <■.). g. 



1. SIC'YDIUM BREVIFTLTS. 

 Ogilvie-Grant, Proc. Zool. Soc. 18x4, \k \'>X. pi. \ii. fig. 1 : Piet<clim;inn. .Tahib. 

 Nass. Ver. Naturk. kvi. I'.U:'., p. ISIl 



Depth (jf body 5i to G limes in total length, length of head 3f to 

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

 of head. 1 to J§ times in inteioibital width ; mouth extending to below 

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

 mandibular teeth subequal. Dorsals VI, 1 10, narrowly separated, 

 second to fifth simple rays produced into sliort 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, unifoMU or with ill-defined dark spots on the sides; anal fin with 

 a brown and white margin. 



Total length 10-3 millim. 



Cameroon. 

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



2-:5. Yo-. Krihi P. at Kiibi. G. L. Bates, Esq. (C). 



