Class IV. BLUNT-HEADED CACHALOT. 81 



The figure,* we borrowed from a print in 

 the sixtieth volume of ,the Philosophical Trans- 

 actions, p. 321, where there is a very good 

 account of this species by Mr. James Robert- 

 son, surgeon. 



This is one of the species which yield what 

 is improperly called sperma ceti ; that substance Spermaceti. 

 being found lodged in the head and other parts 

 of the fish that form this genus, which the 

 French call Cachalot, a name we have adopted, 

 having no general term for it in our tongue, f 



Linnaeus informs us, that it pursues and terri- 

 fies the Porpesses to such a degree as often to 

 drive them on shore. 



» Plate ii. 



f It also produces the noted perfume called Ambergris, which 

 is found in masses of various sizes in the intestines, and appears 

 to be indurated fcecei, the result of some peculiar disease. Ed. 



VOL. III. 9 



