PALLAS, 181O 77 



1818, and 1825, respectively, the second and third parts being prepared 

 by Isidore Geoffroy Saint Hilaire. 



Polypterus Geoffroy St. Hilaire, I, 1809; type Polypterus bichir St. 

 Hilaire. 



LXX. PALLAS, Labraces novum pisckim genus Oceani Orientalis: 

 Mem. Acad. Sci. Petersb., H, 1810. 



Peter Simon Pallas. 



Labrax Pallas, H, 382, 1810; type Labrax lagocephalus Pallas. 

 Not of Klein nor of Cuvier. A synonym of Hexagram mos Steller. 



LXXL RISSO, Ichthyologie de Nice, 1810. 



Anastase Risso. 



Cephalopterus Risso, 14; type Raja giorna Lacepede. 



Not Cephalopterus of Geoffroy St. Hilaire, 1809, a genus of birds. Equiva- 

 lent to MoBULA Rafinesque. 



Lepidoleprus Risso, 197; type Lepidoleprus trachyrhynchus Risso. 

 A synonym of Trachyrhynchus Giorna. 



Tetragonurus Risso, 347 ; type Tetragonurus cuvieri Risso. 



LXXH. RAFINESQUE, Caratteri di Alcuni Nuovi Generi e Nuove 

 Specie di Animate e Fiante delta Sicitia, April i, 1810. 



CONSTANTINE SaMUEL RaFINESQUE-ScHMALTZ 



(later written simply "Rafinesque"). 



Carcharias Rafinesque, 10 ; type Carch arias taurus Rafinesque. 



The intended type was Squalus carcharias L., but C. taurus is the only 

 species actually mentioned. Monotypic. Replaces Odontaspis Agassiz. Not Car- 

 charias Cuvier, 1817. 



Dalatias Rafinesque, 10 ; type Dalatias nocturnus Rafinesque. 



Gray in 1851 restricted Dalatias to D. sparophagus Rafinesque. Swainson, 

 1838, formally restricted Dalatias to Dalatias nocturnus, which seems to be a 

 species of Centrophorus Miiller & Henle, probably C. granulosus. 



Tetroras Rafinesque, 11 ; type Tetroras angiova Rafinesque. 



A second-hand and erroneous description, possibly referring to Cetorhinus 

 maximus, but unrecognizable. Monotypic. 



