78 Mr. P. L. Sclater on the 



feather in a vestigial condition. If the figures of the prepa- 

 ration of the distal part of the cubitus of the Golden Eagle 

 (see figs, b, b') be compared with those of the Pheasant (see 



© 6 



<t, a'. Drawings of preparations of the distal cubital remiges, with their 

 attached tectrices majores, of the Pheasant (Phasianus colchicus). 



a, Dorsal view ; a', ventral view. (This shows the " quincubital" 



condition.) 

 /»., V . Drawings of preparations of the distal cubital remiges, with their 

 attached tectrices majores, of the Golden Eagle (Aquila chrysaetos). 



b, Dorsal view; b', ventral view. (This shows the " aquincubital 



condition.") 

 ] , 2, 3, &c. the remiges (R), numbered from the wrist-joint ; D.C, dorsal 

 tectrix major ; V.C, ventral tectrix major; III, ulna. 

 (From P. Z. S. 1887, p. 346.) 



figs, a, a'), the exact nature of this modification is at once 

 apparent. In the Pheasant {a, a') the fifth remex is present 



