INDEX. XXI 



FOURTH CLASS 

 FISHES. 



ORDERS, GENERA, SUBGENERA, AND OTHER DIVISIONS. 



General character of the Class, 79 

 Division into Orders, 83 

 1st. Series. Ordinary Fishes, or Fishes properly so called. 



ORDERS. 



1. Acanthopterygii. 



2. Malacopterygii, Abdominales. 



3. Malacopterygii, Sub-brachiati. 



4. Malacopterygii, Apodes. 



5. Lophobranchii. 



6. Plectognathi. 



2nd Series. Chondropterygians, or Cartilaginous Fishes. 

 FIRST SERIES. 



ORDERS. 



1. Sturiones, or Chondropterygians with Free Gills. 



2. Chondropterygians with Fixed Gills. 



ORDINARY FISHES. 



I. ACANTHOPTERYGII, 84 



Fam. 1 . — Percoides, 84 



Is/ Subdivision. Thoracic Perches, 85 

 Gen. — Perca, 86 

 Labrax, 86 

 Lates, 86 

 Centropomus, 86 

 Grammustes, 86 

 Aspro, 86 

 Subgen. — Huro, 87 

 Etelis, 87 

 Niphon, 87 

 Enoplosus, 87 

 Diploprion, 87 

 Gen. — Apogon, 87 



Cheilodipterus, 88 

 Pomatomus, 88 



2d Subdiv. — Ambassis, 88 



1st Div. — Lucio-perca, 88 

 2d Div.— Serraaus, 89 

 Serranus, 89 

 Anthias, 89 

 Merra, 90 

 Bodianus, 90 

 Bfolocentri, 90 



(continued) 



