72 KNOX ON THE CETACEA. 



ft. in. 



Iiarge „ „ 2 4 



Kidney, weight 2^ lbs. 



Brain (including 2 inches of spinal marrow), S^ lbs. 

 Cerebellum, pons, and 2 inches of spinal marrow, f lb. 

 G-reat hemisphere of the brain measured 3 inches in 

 length, in breadth, 6-|- ; at the base, 8 inches. 



Tuber annulare If 



Olfactory nerves, in length 1-^ 



Ditto, breadth 2^ 



Skeleton : — Length of cranium 2 11 



Grreatest breadth between the orbits . 1 3 

 Length of vertebral column 7 8 



When we compare the skeleton of this Eorqual with the 

 Grigantic Eorqual I also dissected, we find as follows : — 



i2. giganteus, R. minor. 



Cervical .... vertebrae 7 vertebrae 7 



Dorsal 15 11 



Lumbar, sacral, caudal 43 30 



65 48 



These differences must be specific. 



At the extremity of the snout in either jaw there were 8 strong 

 bristles, being the only vestiges of hair found on the external 

 surface. The mouth was of great size ; the tongue large and 

 tolerably free, and of a pale rose or vermilion colour. The baleen, 

 where deepest, measured about 4 inches ; there were* 370 plates 

 on each side ; but anteriorly and posteriorly these plates w^ere re- 

 duced to mere bristles. 



The isthmus faucium allowed the closed hand to pass through 

 it ; through this isthmus I do not believe that any water ever 

 passes into the pharynx, unless it be accidentally, as in man. 

 The "spout" of the Whalebone Whale is composed, no doubt, of 

 the pulmonary vapour, and not of any water received into the 

 pharynx from the mouth. 



The stomach seemed composed of five compartments externally, 

 but presented only four when laid open, the fifth being manifestly 

 the duodenum. In the intestines no remains of food were found, 

 but abundance of intestinal worms, and a substance strongly re- 

 sembling the human meconium. There was an ilio-csecal valve as 



