246 THE GENERA OF FISHES. PART II 



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

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

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



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

 Prof. Agassiz on the Ganoidei 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). Siir un poisson fossilc de la Grece 



(Platacanthus). 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 Cuv., not Pallas. 



427. FISCHER VON WALDHEIM (1850). Ommatolampcs et Trachclacanthus. 

 genera pisciuni fossilium nova, in Uteris Eduardo ab Eichzvald datis, descripta. 

 Mosquae. 



Gotthelf Fischer von Waldheim. 

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

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

 (fossil). 



428. GIF>BES (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 scientifique de I'Algerie. Paris. 



Alphonse Guichenot. 

 Gadiculus Guichenot, 101 ; orthotype G. argenteus Guich. 



430. HECKEL (1850). Beitrdge z'ur Kenntniss der fossilen Fische Oesterreichs. 



Denkschr. Akad. Wiss. Wien, I. 

 JoHANN Jakob Heckei,. 

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

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

 nym of Anenchelum Blainv. and probably of the living genus Lepidopus 



431. JERDON (1850). (Pristolepis.) 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 1S42. Proc. Zool. Soc. London, XVIII. 



Richard Thomas Lowe. 



