246 THE GENERA OF FISHES, PART II 



Stenostoma Dixon, 373; orthotype S. pulchella Dixon (fossil). 

 Pachyrhizodus (Agassiz) Dixon, 374; orthotype P. basalis Dixon (fossil). 

 Tomognathus Dixon, 376; logotype P. mordax Dixon (fossil). 



425. EGERTON (1850). Palichthyologic Notes, Supplemental to the Work of 

 Prof. Agassia on the Ganoidci heterocerci. Quart. Journ. Geol. Soc. Lond. 



Philip de Malpa Grey Egerton. 

 Plectrolepis (Agassiz) Egerton, VI, 4; orthotype P. rugosus (Ag.) Egert. (fossil). 

 A synonym of Eurynotus Ag. =' Notacmon Gistel. 



426. FISCHER VON WALDHEIM (1850). Sur un poisson fossile de la Grece 



( Plata canthus). Bull. Soc. Imp. Nat. Moscou., XXIII. 

 GoTTHELF Fischer von Waldheim (1771-1853). 

 Platacanthus Fischer von Waldheim, XXIII, 286; orthotype P. ubinoi Waldheim 

 (fossil). An extinct ally of Dicentrarchus Gill = Labrax Guv., not Pallas. 



427. FISCHER VON WALDHEIM (1850). Ommatolampes et Trachelacanthus. 

 genera piscium fossiliiim nova, in Uteris Eduardo ab Eichzvald datis, descripta. 

 Mosquje. 



GoTTHELF Fischer von Waldheim. 

 Ommatolampes Fischer von Waldheim, 4; orthotype O. eichwaldi Fischer. 

 Trachelacanthus Fischer von Waldheim, 9; orthotype T. stschurovskii Waldheim 

 (fossil). 



428. GIBBES (1850). Mososaurus and Allied Genera. Smithsonian Contr. 



Knowledge, II. 

 Robert Wilson Gibbes (1809-1866). 

 Conosaurus Gibbes, 10; orthotype C. bowmani Gibbes. Name regarded as pre- 

 occupied by CoNiosAURUs; replaced by Conosaurops Leidy (1868). 



429. GUICHENOT (1850). Exploration scientifiqiie de I'Algeric. Paris. 

 Alphonse Guichenot. 

 Gadiculus Guichenot, 101 ; orthotype G. argenteus Guich. 



430. HECKEL (1850). Beitrdge zur Kenntniss der fossilen Fische Oesterreichs. 

 Denkschr. Akad. Wiss. Wien, I. 

 Johann Jakob Heckel. 

 Saurorhamphus Heckel I, 217; orthotype S. freyeri Heckel (fossil). 

 Lepidopides Heckel, I, 239; Lepidopus leptospondylus Heckel (fossil). A syno- 

 nym of Anenchelum Blainv. and probabl}' of the living genus Lepidopus 



431. JERDON (1850). (Pristolepis.J Madras Journ. Lit. Sci., XVI. 

 Thomas Claverhill Jerdon. 

 Pristolepis Jerdon, XVI, 298; orthotype P. marginatus Jerdon. Jerdon (Ann. 

 Mag. Nat. Hist., 1865, 298) claims priority of Pristolepis over Catopra Blkr. 

 Catopra was first noted in 1851. 



432. LANKESTER (1850). (Fishes of the Old Red Sandstone.) 

 Edwin Ray Lankester (1847- ). 

 Zenaspis Lankester, 43; orthotype Cephalaspis salweyi Egert. (fossil). A syno- 

 nym of Cephalaspis. 



433. LOWE (1850). An Acconut of Fishes Discovered or Observed in Madeira 



Since the Year 1842. Proc. Zool. Soc. London, XVIII. 



Richard Thomas Lowe. 



