EXTERNAL CHARACTERS OF FIN WHALES 



3S9 



grooves do not show a very marked apex to the grooved area. The endings of the 

 grooves are shown in Plate XXXIII, figs, i and 3. Other iUustrations of the ventral 

 grooves of Fin whales are Plate XXXII, fig. 2, and Plate XXXIV, fig. i. As in Blue 

 whales there are some small extra grooves on each side of the reproductive aperture of 

 the female. Examples of these are illustrated in Fig. 98. 



61 66 67 137 144 



152 



• •• 





169 



I9Z 



Fig. 99. Diagrams showing different arrangement of the hairs on the chin of eight and the rostrum of one 

 Fin whale. The beard in each case is sketched from a position immediately in front of the mouth and the 

 rostral hairs from a dorsal aspect. The numbers refer to individual whales. 



