ZOOLOGY. 169 



6. Blenntus. Blenny. J/earf blunt, sloping from the eyes ; 



teeth slender : bodtf compressed, smooth, slimy ; ven- 

 traljins generally composed of two united rays; dorsal 

 fin one ; gill-membrane six rayed. 



7. Kurtus. Body carinated on each side ; back elevated ; 



gill-membrane two rayed. 



ORDER III. 



Thoracici.— THORACIC. 



GILLS BONY; VENTRAL FINS PLACED BENEATH THE 



PECTORAL. 



Most of the fishes of this order are useable as food, their in- 

 crease is great, but not nearly so much so as some of the kinds 

 in the preceding Order ; the majority of them are oceanic, 

 but some few are found in rivers and other fresh waters. 



1. Cepola. Band-Fish, //eac? short, roundish, compressed ; 



teeth curved, sharp, placed in a single row ; body very 

 long and compressed ; abdomen extremely shoj t ; gill- 

 membrane six rayed. 



2. Gymnetrus. Body very long, compressed ; teeth numer- 



ous, subulate ; gill-membrane four or five rayed ; anal 

 fin wanting. 



3. Vandelius. Vandel. Body long, sword-shaped; gill- 



membrane five or six rayed ; teeth subulate, the front 

 feeth longest. 



