THE CORVIDjE. 



as complete an equipment as one can imagine a bird to 

 require a powerful bill, with well-developed nasal plumes 



FIG. 3 



FIG. 2. Foot of Rook, dissected so as to show the arrangement of the 

 deep plantar tendons : F. L. H. flexor longus hallucis ; F". p. D. flexor 

 fcrforans digitorum. (From the Catalogue of Osteological Specimens 

 in the Museum of the Royal College of Surgeons.) 



FIG. 3. Plantar surfaces of foot of Rook, to show the proportions of the 

 toes in a typical Passerine bird. (From the same.) 



a compact and regular plumage 1 strong wings and tail, with 

 every series of wing- covert beautifully patterned and, lastly, 



B a 



