214 THE GENERA OF FISHES, PART 11 



Otodus Agassiz, III. 206; logotype O. obliquus Ag., not O. appendiculatus Ag. 

 (fossil). Apparently not separable from the living genus, Lamna Cuv. (1817). 



Corax Agassiz, III, 244; logotype Galeus pristodontus Alorton (fossil) 



liemipristis .Agassiz. III. 237; orthotype H. serra Ag. (fossil). A genus repre- 

 sented by a living homologiic, Dirrhizodon elongatus Klunzinger in the 

 Red Sea. 



Meristodon Agassiz, III, 286; orthotype Oxvrhina parado.xa Ag. (fossil). Prob- 

 ably a synonym of Hybodus. 



Sphenodus Agassiz, 111, 298; orthotype L.'Kmna longiden.s Ag. (fossil). Name 

 regarded as preoccupied as Sphen'ODON Gray (1831) ; replaced by Orthacodtjs 

 Woodw. (1889). 



Carcharopsis Agassiz, 111, 313; orthotype C. prototypus Ag. (fossil). Name only; 

 same as Pristicladodus dentatus McCoy. A synonym of Dicrenodus 

 Romanowsky( 1853), which name Woodward adopts, as being first defined 

 and with a described type. 



Zygobatis Agassiz, III, 328; logotype Rhinoptera studeri Ag. (fossil). Appar- 

 ently a synonym of Rhinoptera Kuhl. 



Ganodus Agassiz, III, 339; orthotype Chi.m.bra oweni Ag. (fossil). 



Psittacodon Agassiz. Ill, 340; logotype Ischyodus psittacinus Egert. (fossil). 

 A synony of Ganodus. 



Actinobatis Agassiz, 111, 372; orthotype R.\ja ornata Ag. (fossil). Regarded 

 as a synonym of Raja L. If so, the living species, Raj.-v ornata Garman, 

 must receive a new name. 



Scylliodus Agassiz, III, 377; orthotype S. antiquus Ag. (fossil). .An ally of 

 Thyellina and Scylliorhinus. 



Arthropterus Agassiz, III. 379; orthotype .\. rileyi Ag. (fossil). .\ bit of some 

 unrecognized ray. 



Asterodermus Agassiz. Ill, 381; orthotype .\. flatvpterus (fossil). Name pre- 

 occupied by Astrodermus Bonelli, 1829. 



Thyellina Agassiz, 111, 378; orthotype T. angusta Ag. (fossil). A fossil ally of 

 Scylliorhinus Blainv. 



Narcopterus Agassiz, III, 382; orthotype N. bolcanus Ag. (fossil). Name only, 

 hence not part of the system. An ally of Torpedo Dum. 



Cyclarthrus Agassiz, 111. 382; orthotype C. macroptenes Ag. (fossil). .A fin of 

 some ray, imperfectly known. 



Euryarthra .\gassiz, III, 382; orthotype E. munsteri Ag. (fossil). An ally of 

 Rhinobatus Linck and a synonym of ^llopos Miinster. 



296. EGERTON (1843). On Some New Species of Fossil Chimccroid Fishes, 



ivith Remarks on Their Affinities Proc. Geol. Soc, IV. 



Philip ue Malpas Grey Egerton. 



Ischyodus Egerton, IV, 155; orthotype Chimera colei (Buckland) Ag. (fossil). 



Elasmodus Egerton, IV, 156; orthotype E. hunteri Egert. (fossil). 



297. HALL (1843). Satural History of New York. (Palaeontology.) 



James Hall. 

 Sauripteris Hall, IV, 282; orthotype S. taylori Hall (fossil). Usually written 

 Sauripterus. 



298. H ECKEL (1843). .■ibbilduiif;rii und Bcschreibungen der Fisclie Syriois, 

 ncbsl einer neuen Classification und Charactcristik sdmmtlicher Gattnngcii der 

 Cyprinen. Stuttgart. 



JoHAW Jakob Heckel. 



