HOMES OF rorcANs 



•205 



FIG. 59. HEEL-PAD OF SEVENTEEN-DAY-OLD ARACARI TOUCAN 

 a. Side view of pad of left leg. b. Bottom view of left pad. c. Bottom view of liKht pad. 



of the body feathers were bhiish with the exception of those 

 of the iinde]* parts. At a point half way down the neck, the 

 feather tract bifin-cated, one of these pectoral branches end- 

 ins beneath the win": and the other continuino- down the 

 inside of the thighs. I mention these because of their pale 

 yellow pigment, prophetic of the adult coloration. A hint of 

 red pigment was visible on the breast feathers, correspond- 

 ing, however, only to the half-concealed line of scarlet 

 which, in the full-grown birds, lies between the black and 

 yellow of the under parts. There was no trace in the nest- 

 ling of the very conspicuous scarlet belly band and the patch 

 of the same color on the lower back. These are characters 

 which have evidently been evolved rather recently. 



Ten primaries were well sj^routed, the 1st much the 

 shortest, the 6th longest, although the :3rd, 4th, .5th and 6th 

 were of ahnost equal length (1st, 7 nmi. ; 6th, 18 mm.). 

 There were fourteen remaining flight feathers grading in 

 size from the outer secondary inward (outer, 14 mm.; inner, 

 the 24th, 2 mm.). The secondaries were vmiformly stouter 

 than the primaries. The coverts were short, not projecting 



