Class IV. CETACEOUS FISH. 47 



D 1 v. I. CETACEOUS 

 FISH. 



NATURE on this tribe hath beftowed an 

 internal ftru&ure in all reipecls agreeing 

 with that of quadrupeds ; and in a few other the 

 external parts in both are fimilar. 



Cetaceous Fifh, like land animals, breathe by 

 means of lungs, being deftitute of gills. This 

 obliges them to rife frequently to the furface of 

 the water to refpire, to deep on the furface, as. 

 well as to perform feveral other functions. 



They have the power of uttering founds, fuch 

 as bellowing and making other noifes, a faculty 

 denied to genuine rim *, 



Like land animals they have warm blood, are 

 furnifhed with organs of generation, copulate, bring 

 forth, and fuckle their young, (hewing a ftrong at- 

 tachment to them. 



Their bodies beneath the fkin are entirely fur- 

 rounded with a thick layer of fat (blubber) ana- 

 logous to the lard on hogs. 



The number of their fins never exceeds three 3 



* Pontop, Hifi. Nor<w. II. 123. Blafius AnaU Animal, 288. 



viz* 



