162 



CLUPEUm 



maxillary rather narrow, extending scarcely beyond anterior border of 

 eye. Gill-rakers long and slender, about 20 on lower part of anterior 

 arch. Dorsal 13, last ray above first of anal, longest ray -J length of 

 head. Anal 23-25. Pectoral rather more than § length of head, nearly 



Fi«. 129. 



Microt/irissa royauxi. 

 Type (A. M. C). 



reaching ventral. Caudal deeply forked, with pointed lobes. Caudal 

 peduncle nearly as long as deep. 38 scales in longitudinal series, 12 in 

 transverse series ; 13 keeled scutes between isthmus and ventrals, 6-7 

 between ventrals and anal. Brownish, with a rather indistinct silvery 

 lateral band. 



Total length 65 millim. 



Ubanghi. — Types in Congo Museum, Tervueren. 

 1. One o£ the types. Banzyville. Capt. Royaux (C). 



5. ILISHA. 



Platygaster (non Latr.), Swains. Nat. Hist. ii. p. 294 (1839). 



llisha, Gray, in Richards. Ichth. China, p. 306 (1846) ; Bleek. Atl. Ichth. vi. 



p. 116 (1872). 

 Pellona, Guv. & Val. Hist. Poiss. xx. p. 300 (1847) ; Giinth. Cat, Fish. vii. p. 454 



(1868). 



Mouth moderately large, with minute teeth ; small teeth on the 

 palatines, pterygoids, and tongue ; maxillary formed of 2 or 3 pieces. 

 Branchiostegal rays 6. Body strongly compressed, with an abdominal 

 serrature formed of bony scutes ; scales moderate or small ; no lateral 

 line. Dorsal fin short, behind vertical of ventrals ; anal long, with more 

 than 30 rays. Ventrals very small, with 6 to 8 rays. Vertebrae 46 *. 



Tropical Atlantic and Indian Oceans, some species entering fresh 

 waters. 



* In /. muiius. 



