THE ANNALS 



AND 



MAGAZIiNE OF NATUEAL UlSTOEY. 



[NINTH SliRlES.] 



" per litora spargite museum, 



Naiades, et circum vitreos conaidite fontes : 

 PoUice virgineo teneros hic carpite flores : 

 Floribus et pietum, divae, replete canistrum. 

 At vos, o Nj'mphse Craterides, ite sub uudas ; 

 Ite, recurvato variata corallia trunco 

 Vellite muscosis e rupibus, et mihi conchas 

 f erte, Deae pelagi, et piugui conchylia succo." 



N. Parthenii Giannettasi,'Ec\. 1. 



No. 61. JANUARY 1923. 



T. — A Revision of the Clupeid Fishes of the Genus 

 Ilisha and allied Genera. By J. R. Norman. 



(PLiblished by permission of the Trustees of the British Museum.) 



This paper forms a continuation of a series of papers on the 

 Clupeidse by Mr. C. Tate Began_, F.R.S., to whom I am 

 indebted for much help and advice. The fishes here dealt 

 with correspond to Section B of Giinther's Clupeinse, i. e.j 

 the genera with a long anal fin. 



Synopsis of the Genera. 



I. Maxillary not adherent to prsemaxillary ; no canines, 



A. A ligament between the praemaxiliary and the middle of the 

 maxillary. 



1. Pelvic tins present 1. Ilisha. 



2. Pelvic fins absent. 



a. Maxillary broadly rounded behind, not extending beyond 



middle of eye. 

 ]5ody elongate; abdominal profile not very convex . 2. Opist/wpferus. 

 Body very deep ; abdominal profile very convex . . 3. Pristiyaster. 



b. Maxillary tapering behind in adults, extending to gill- 



opening or beyond. 



Dorsal present 4. Odontognathus. 



Dorsal absent 5. Raconda. 



Ann. & Mag. N. Hist. Ser. 9. Vol, xi. 1 



