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ZOOLOGY. 



Division I. BONY FISHES. 



ORDER 1. 



APODAL. 



VENRTRAL FINS WANTING. 



Some of this order are viviparous, and others oviparous ; 

 they are all exceedingly voracious, and many of them aie 

 applicable to the purposes of food. 



The order contains seventeen genera. 



1. Anguilla. Erx. smooth, small ; nostrils inh\x\diY ; 



aperture to the gills small, situated behind the head or 

 pectoral fins. 



This genus inhabits the ocean, rivers, lakes, and ponds, 

 is very voracious; all the species are useable as food; 

 some of the fresh water kinds often quit the water, and may 

 be found wandering in moist meadows. 



2. Murcena. "Body Eel-shaped, pectoral fins wanting, one 



spiracle on each side of the head. 



3. Synhranchus. Body Eel-shaped ; pectoral fins wanting ; 



spiracle placed beneath the neck. 



This differs from the preceding genus, in having the 



