280 THE GENERA OF FISHES, PART II 



613. DUMfiRIL (1858). Reptiles et poissons de I'Afrique occidentale, etc. 

 Comtes Rendus Acad. Sci. Paris, 1858, LXI. 

 AuGUSTE Henri Andre Dumeril. 

 Chromichthys A. Dumeril, X, 257; orthotype C. elongatus Guich. 



614. EGERTON (1858). On Chondrosteus, an Extinct Form of the Sturionid<T, 

 Found in the Lias Formation at Lyme Regis. Phil. Trans. London. 1858. 



Philip de Malpas Grey Egerton. 

 Chondrosteus (Agassiz) Egerton, 871; orthotype C. acipenseroides Ag. (fossil). 

 Gyrosteus (Agassiz) Egerton, 883; orthotype G. mirabilis Ag. (fossil). 



615. EGERTON (1858). Fish: Cosmolepis, etc. (In Figures and Descriptions of 

 British Organic Remains.) Mem. Geol. Surv. United Kingdom, 1858, 9 dec. 



Philip de Malpas Grey Egerton. 



Cosmolepis Egerton, Dec. IX, No. 1; orthotype C. egertoni Ag. (fossil). 



Endactis Egerton, Dec. IX, No. 4; orthotype E. agassizi Egert. (fossil). A syno- 

 nym of Caturus. ^ 



Centrolepis Egerton, Dec. IX, No. 5; orthotype C. asper Ag. (fossil). 



Nothosoma (Agassiz) Egerton, Dec. IX, No. 6; orthotype N. octostychius Ag. 

 (fossil). 



Pleuropholis Egerton, Dec. IX, No. 7; logootype Pholidophorus l.«vissimus Ag. 

 (fossil). 



Macropoma (Agassiz) Egerton, Dec. IX, No. 10; orthotype M. egertoni Ag. 

 (fossil). Replaces Eurycormus Wagner (1863). 



616. GILL (1858). Prodromns descriptionis subfamilicc Gohinarum squamis 

 cycloideis piscium, a cl. W. Stimpsono in mare Pacifico acquisitorum. Ann. 

 Lycemn Nat. Hist. N. Y., 1858-1862, VII, 12-16. 



Theodore Nicholas Gill (1837-1914). 

 Chaenogobius Gill, 12; orthotype C. annularis Gill. 

 Lepidogobius Gill, 14; orthotype Gobius gracilis Grd. = G. lepidus Grd. 



617. GILL (1858). Description of a Nezv Genus of Pinielodincc from Canada. 



Ann. Lyceum Nat. Hist. N. Y., 1853-1858, VI, 3. 



Theodore Nicholas Gill. 



Synechoglanis Gill, 39; orthotype Synechoglanis beadlei Gill = Ictalurus 



punctatus (Raf.). A synonym of Ictalurus Raf. 



618. GILL ( 1858) . Prodronius descriptionis familicc Gobioidarum generum novorum. 



Ann. Lyceum Nat. Hist. N. Y., 1858-1862, VII, 16-19. 



Theodore Nicholas Gill. 



Tridentiger Gill, 16, Dec; orthotype Sicydium obscurum, T. & S. 



Triaenophorus Gill, 17 ; orthotype T. trigonocephalus Gill. Name preoccupied, 



replaced by Trf.?i;nophorichthys Gill. 



619. GILL (1858). (Tricrnophorichthys.) Proc. Acad. Nat. Sci. Phila.. 1859. 

 Theodore Nicholas Gill. 

 Triaenophorichthys Gill 195 ; orthotype Tri^nophorus trigonocephalus Gill. 

 Substitute for Tri^nophorus Gill, preoccupied. 



