PHYSETER MACROCEPHALUS. 525 
tooth.* Satisfactory evidence of the existence of the 
Cachalot in the present seas of Britain, is given by Pro- 
fessor Bell, in his ‘ History of British Quadrupeds and 
Whales,’ p. 503. 
* Odontography, p. 353, pls. 89, 90. 
Longitudinal section of a recent tooth of the Cachalot, ! nat. size. 
Fig. 219. 
Longitudinal section of a fossil physeteroid tooth from the Red Crag, Felixstow. 
