100 



SPECIMENS OF CETACEA. 



18. Pectoral Limbs, pair of ; humerus 5| inches long ; radius, R, 



4<l inches long, 17 inches broad ; ulna, U, 5|- inches long, 

 If inch broad ; epiphyses fused. Carpus with radiale, 

 r, intermedium, ulnare ; in one the distal carpalia are 

 Cp C2+3, and 03+4 ; in the other C^ is not visible. 

 Metacarpals i. to v. P, pollex. Phalanges imperfect. 



19. Brain of Narwhal, the basal surface, LH, lobus hippo- 



campi, the area desert Q, the absence of olfactory 

 peduncles and bulbs, and the origin of the nerves 

 shown in Plate XIII. The convoluted cranial surface 

 of the left hemisphere is figured in Plate XIV. ; also 

 by Turner in " The Convolutions of the Brain," in 

 Journ. Anat. and Phys., vol. xxv., 1891. 



Donor — Dr H. Season Wilson. 



20. Brain, a female about 17 feet long; weighed 3 lb. 15 oz. 



before being placed in spirit. 



Donor — Sir John Struthers, 1895. 



