320 THE GENERA OF FISHES, PART III 



Characodus (Agassiz) Morris & Roberts, XVIII, 99; orthotype C. angulatus 



Ag. (fossil) ; name only, defined by Davis, 1883. Regarded by Woodward 



as a synonym of Copodus ; not Characodus Owen, 1867, earlier in definition. 

 Ctenopetalus (Agassiz MS.) Morris & Roberts, XVIII, 100; orthotype Ctenop- 



TYCHius SERRATUS Ag. (fossil) ; name only, defined by Davis, 1881. Regarded 



as a synonym of Ctenoptychius. 

 Harpacodus (Agassiz) Morris & Roberts, XVIII, 100; orthotype Ctenoptychius 



DENTATUS Ag. (fossil) ; name only, defined by Davis (1881). Regarded as a 



synonym of Ctenoptychius. 

 Copodus (Agassiz) Morris & Roberts, XVIII, 100; logotype Psammodus cornutus 



Ag. (fossil) ; name only, defined by Davis, 1883. 

 Deltodus (Agassiz) Morris & Roberts, XVIII, 100; orthotype Pcecilodus subl^vis 



(Ag.) McCoy (fossil). 

 Deltoptychius (Agassiz) Morris & Roberts XVIII, 100; orthotype Cochliodus 



acutus (Ag.) McCoy (fossil). 

 Xystrodus (Agassiz) Morris & Roberts, XVIII, 101; orthotype Cochliodus 

 . striatus Ag. (fossil). Name preoccupied (Plieninger, 1860), replaced by 



Platyxystrodus Hay (1899). 

 Lobodus (Agassiz) Morris & Roberts, XVIII, 101; logotype L. prototypus Ag. 



(fossil) ; name only, defined by Davis, 1883. Regarded as a synonym of 



Copodus. 

 Mesogomphus (Agassiz) Morris & Roberts, XVIII, 101; orthotype M. lingua Ag. 



(fossil) ; name only, defined by Davis, 1883. Regarded as a synonym of 



Copodus. 

 Pleurogomphus (Agassiz) Morris & Roberts, XVIII, 101 ; orthotype P. auricu- 



latus Ag. (fossil) ; name only, defined by Davis, 1883. Regarded as a syno- 

 nym of Copodus. 

 Mylax (Agassiz) Morris & Roberts, XVIII, 101 ; orthotype M. batoides Ag. 



(fossil) ; name only, defined by Davis, 1883. Regarded as a synonym ojF 



Copodus. 

 Tomodus (Agassiz) Morris & Roberts, XVIII, 101; orthotype T. convexus (Ag.) 



(fossil) ; name only, defined by Davis, 1883 (not Tomodus Trautschold, 1879), 



later called Oxytomodus Trautschold, 1880. 

 Streblodus (Agassiz) Morris & Roberts, XVIII, 101 ; orthotype Cochliodus 



oblongus (Agassiz) Portlock (fossil). 

 Psephodus (Agassiz) Morris & Roberts, XVIII, 101 ; orthotype Cochliodus 



MAGNUS Portlock (fossil). 

 Petalorhynchus Agassiz) Morris & Roberts, XVIII, 101 ; orthotype Petalodus 



psittacinus (Ag.) McCoy (fossil) ; name only, defined by Davis, 1881. 



795. VALENCIENNES (1862). Description de quelques especcs de poisson 

 . . . envoyes de Bourbon par M. Morel. Comptes Rendus, LIV. 

 AcHiLLE Valenciennes. 

 This little paper of Valenciennes has been overlooked by writers. In it 

 are described two species of Irex (Elagatis), I. indicus from Bourbon 

 Island and I. americanus from St. Thomas, the former with D. VI-I, 24-2, 

 the latter D. VI-I, 22-2. Giinther counts D. VI-I, 25-1 in Elagatis bipin- 

 nulatus from Amboyna. Poey counts D. VI-I, 26-2 in Elagatis pinnulatus 

 from Havana. In a specimen from Long Island, Jordan and Evermann 

 count D. VI-I, 27-2, regarding all as belonging to one pelagic species. 



