Chap, iv.] BALEEN. 155 



(Neetarinidse). In the wood-pecker some of the hyoid 



Fig. 70. Figures to illustrate Position and Structure of the Baleen. 

 (From Murie, after various authors.) 



A, Hind view of skull of right whale ; w, whale-bone ; m, mesial ridge of palate ; 

 J, lower jaw-hones ; B, arch of baleen plates, as seen in cross section of the 

 mouth ; c, vertical section, showing the intermediate substance ; is, baleen 

 plates ; b, frayed out at their free edges ; D, transverse section of whale-bone, 

 magnified. 



