DESCRIPTION OF SPECIES EXAMINED 131 



"la-^. 



X 



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Fig. 168.— Partkidge. Perdix cinerea. x 25. Pes, D. 3. Terminal phalanx, 

 imbrication of scales distal, longitudinal section. 



Fig. 169. — Grouse. 



Lagopiis. x 25. Pes, D. 3. 

 longitudinal section. 



Terminal phalanx. 



Tinnunculus alaudarius (Fig. 172). — Longitudinal section 

 from proximal phalanx of a digit. Scales rough and irregular, 

 papillae of the corium large and wide, and extending near to 

 the free surface of the epidermis. 



Corvus corax (Fig. 173). — Longitudinal section from pad at 

 the bases of the digits. Scales thickened and projecting 

 and showing a distal imbrication. Papillae of the corium 

 very long and pointed, and extending near to the free surface 

 of the epidermis. 



