of the Genera Poniolobiis, Brevoortia, &c. 309 



cleft ; maxillary normally formed, extending to below ante- 

 rior part or middle of eye ; anterior suprainaxillary absent. 

 Gill-rakers slender, very numerous. Dorsal 15-18 ; last ray 

 produced into a filament. Anal 20-28. Pelvics 8-rayed, 

 iDelow anterior part of dorsal. 48 to 58 scales in a longi- 

 tudinal series, 20-23 in a transverse series. Vertebrge 51 

 (in C. punctatiis) . 



Coasts and rivers of China and Japan. 



1. Cliqxmodon thrissa. 



Clupea thrissa, Osbeck, Iter Chiiiensis, p. 257 (1757); Linn. Svst. Nat. 



ed. 10, p. 318 (1758). 

 Clupanodon thrissa, Lacep. Hist. Nat. Poiss. v. p. 468 (1803). 

 Chatoessus maculatus, Kichavds, Iclith. China, p. 308 (1840) ; Giinth. 



Cat. Fish. vii. p. 409 (1808). 

 Chatoessus osbecki, Ciiv. & Val. Hist. Nat. Poiss. xxi. p. 106 (1848). 



Depth of body 2§ to 3 in the length, length of head 3|-. 

 Diameter of eye 4^ to 5 in length of iiead. Mouth terminal; 

 maxillary extending to beh)\v anterior part or middle o£ eye. 

 48 scales in a lons^itudinal, 20 in a transverse series ; ventral 

 scutes 18-20 + 10-12. Dorsal 15-16. Anal 22-27. Pelvics 

 below anterior ^ of dorsal. A dark humeral spot, sometimes 

 followed by a series of spots. 



China; Formosa. 



Three specimens of 150-200 mm. from Formosa ; two from 

 China, 60 and 90 mm., are not included except for counts of 

 fin-rays etc. 



2. Chijyanodon punctatus. 



Chatoessus punctatus, Schlegel, Faun. Japon., Poiss. p. 240, pi. cix. 



fig. 1 (1846) ; Cuv. & Val. Hist. Nat. Poiss. xxi. p. 107 (1848) ; 



Giinth. Cat. Fish. vii. p. 408 (1868). 

 Chatoessus aquosus, Richards, Ichth. China, p. 307 (1846) ; Cuv. & Val. 



Hist. Nat. Poiss. xxi. p. 109 (1848). 

 Kononrus punctatus, Jord. & Herre, Proc. U.S. Nat. Mus. xxxi. 1906, 



p. 624. 



Depth of body 3 to 3^ in the length, length of head 3f to 

 4^. Diameter of eye 4^ to 5 in length of head. Mouth 

 subterminal ; maxillary extending to below anterior part or 

 nearly to middle of eye. 53 to 58 scales in a longitudinal, 

 20 to 23 in a transverse series ; ventral scutes 18-21 + 14—17. 

 Dorsal 16-18. Anal 20-25. Pelvics below anterior ^ of 

 dorsal. A dark humeral spot ; a dark spot on each scale of 

 upper half of body. Vertebra? 51. 



China ; Japan. 



Eleven specimens, 150-200 mm. in total length. 



