rocco. 1844 219 



Phyllolepis Agassiz, V, 67; orthotye P. concentrica Ag. (fossil). 



Nemopteryx Agassiz, V, 75; orthotype Cyclurus crassus Egert. (fossil). 



Holosteus Agassiz, V, 85; orthotye H. esocinus Ag. (fossil). 



Hemirhynchus Agassiz, V, 87; orthotype Histiophorus deshayesi Ag. (fossil). 

 Name preoccupied; perhaps the same as Homorhynchus Van Beneden, 1873. 



Istieus Agassiz, V, 91 ; logotype I. grandis Ag. (fossil). An extinct ally of Pteroth- 

 Rissus Hilgendorf. 



Sphyrasnodus Agassiz, V, 98; orthotype Sphyr.^xodus priscus Ag. (fossil). Name 

 printed by Owen, 1841. 



Coelorhynchus Agassiz, V, 92; orthotype C. rectus Ag. (fossil) ; name preoccupied. 



Hypsodon Agassiz, V, 101; orthotype H. toliapicus Ag., name only (fossil). Ap- 

 parently a synonym of ally of Meg.vlops Lac. 



Osmeroides Agassiz, V, 103; orthotype O. monasteri Ag. (fossil). The name has 

 been transferred by authors to Salmo lewesiensts Mantell, the type of 

 HoLCOLEPis von der Marck. Osmeroides should replace Sardinioides von der 

 Marck. 



Rhamphognathus Agassiz, V, 9, 104; orthotye R. paralepoides Ag. (fossil). 



Mesogaster Agassiz, V, 9, 105; orthotype M. sphyrvEnoides Ag. (fossil) 



Spinacanthus Agassiz, V, 107; orthotype S. blennioides Ag. (fossil). 



Acrognathus Agassiz, V, 108; orthotype A. boops Ag. (fossil). 



Rhynchorinus Agassiz, V, 139; orthotype R. branchialis Ag. (fossil); name 

 onlj'; validated by Woodward, 1901. 



Coelocephalus Agassiz, V, 139; orthotype C. salmoneus Ag. (fossil); name only. 

 Preoccupied before defined by Ccelocephalus Clark, 1860, and by Ccelo- 

 cephalus Gilbert & Cramer, 1897; replaced by Eothynnus Woodw., 1901. 



Halecopsis Agassiz, V, 139; orthotype H. ljeis Ag. (fossil) = Osmeroides 

 iNsiGNis Delvaux & Ortlieb (fossil); name only; validated by Woodward, 

 1901. 



Elopides Agassiz, V, 139; orthotype E. couloni Ag. (fossil); name only; vali- 

 dated by Woodward, 1901. 



310. COCCO (1844). Intorno ad alcuni nuovi pesci del mare di Messina. Lettera 



del Prof. Anastasio Cocco al Signor Augusto Krohn. 



Anastasio Cocco. 



Krohnius Cocco, 1 ; orthotype K. filamentosus Cocco. Young of Ccelorhynchus 



Giorna. 

 Bibronia Cocco, 15; orthotype B. ligulata Cocco. Larva of Symphurus Raf. 

 Peloria Cocco, 21 ; orthotype P. heckeli Cocco. A larva of Platophrys Sw. 

 Coccolus (Bonaparte) Cocco, 21 ; orthotype C. annectens Cocco. A larva of Pla- 

 tophrys Sw. 



311. CUVIER & VALENCIENNES (1844). Histoirc naturcUc des poissotu. 



XVIL 

 AcHiLLE Valenciennes, 



Catla Cuvier & Valenciennes, XVII, 140; tautotype Cyprinus c.\tla Ham. A 

 synonym of Gibelion Heckel. 



Sclerognathus Cuvier & Valenciennes, XVII, 472; logotype, restriction of Giinther, 

 1868, Sclerognathus cyprinella Cuv. & Val.; the original diagnosis drawn 

 up from Catostomus cy'prinus Le Sueur, a species of Carpiodes Raf. A 

 synonym of Ictioeus Raf., as here accepted. This view is not taken by 

 Fowler, who regards Carpiodes cyprinus as type of Sclerognathus and 

 gives to I. cyprinella the new name of Megastomatobus. 



