8 



Audierne, in France, in 1784, and the almost perfect skeleton 

 mentioned before as having been purchased by himself in 

 London, in 1818. Now he has given us a table of the 

 dimensions of the several parts of the head in these two 

 specimens. Reducing it to English measure, I shall 

 make use of this table by placing his observations in parallel 

 columns to the corresponding dimensions of the Sydney whale. 

 It will thus be seen that while Cuvier's two whales do not con- 

 siderably differ among themselves in the relative proportion of 

 the parts of the head, there is a wide discrepancy in the 

 proportion which the parts of the head in the Sydney cachalot 

 bear to each other. It is on viewing such a table that we 

 regret the want of accurate drawings by which we might 

 compare the external forms of these three animals in other 

 ways than by mere measurement of their bones. 1 have, in 

 the table, also placed some measurements of the head of Sir 

 Clifford Constable's Yorkshire skeleton, and of a skull of 

 Gray's Calodoii macrocephalus which is in the British 

 Museum. They are all the dimensions of these last two which 

 have as yet been rocorded. 



