Fig. 14.— FrlngUla Carduelis ; the Goldfinch; o, bill; 6, 

 forehead ; c, cheek ; df, hind-head ; «, breast ; f, 

 back; g, spurious wing; ft, shoulder, and lesser 

 wing coverts ; i, secondary quill-feathers ; J, Jj 

 greater quill-feathers ; k, tertials ; I, tail-coverts j 

 m. tail ; «, great-wing coverts ; o, auricles ; p, 

 throat. 



Fig. 15.— A Spur. 



Fig. 16. — A Pectinated Foot, as in the genus Tetrao. 



