388 



SILUHID.E. 



8 or 9 on lower part of anterior arch. JJorsal I 7, spine f to f ieni^th 

 of head, witli granular tubercles anteriorly and small serrse posteriorly. 

 Adipose dorsal small, its base about J or f that of rayed dorsal, about 

 twice as distant from latter as from caudal. Anal 17-20 (12-14 rays 

 branched). Pectoral spine similar to dorsal. Ventral reaching, or 

 nearly reaching, origin of anal. Caudal deeply notched, with long, 

 })ointed lobes. C'audal peduncle 2 to 2J times as long as deep. 



Yim.. 291). 



Arias hcnthloti. 

 Lagos. ;!. 



l^iownish above, silvery on the sides, white beneath ; distal half of 

 pectoral, ventral, and anal fins brown. 



Total length 500 millim. 



U])per Senegal, Niger, Lagos, Cameroon. — Types, in Paris Museum, 

 examined. 



1. Hgr., one oE tluMypos Niger. ^Ir. L. Fraser (0.). 



of .1. iHirli'i. 



2. H-r. :, ., Liigos. J. Wood, Es(j. (C). 

 ;>. Ilur. ('ivmerooii. Dr. J. A. Siiiith (P.). 



4. AllIUS MADAGASCARIENSIS. 



Vaill. Bull. Soc. Fhilom. (8) vi. 181)4, p. 77. 



Depth of body 4J times in total length, length of head 3| times. 

 Snout rounded ; eye about 5 times in length of head and 2| times in 

 interorbital width ; palate with two irregularly oval groups of villiform 



