GLOSSARY 



Aberrant. Deviating from the usual cliaraoter. 



Acute. Ending in a well-defined angle, usually a sharp one. 



Angulated. Forming an angle ; applied to the mouth of birds 



when the direction of the gape suddenly changes at the 



rictus. 

 Ashy. A bluish-gray color ; about the color of wood ashes. 

 Axillary plumes. A distinct tuft of feathers, under the wing 



where it joins the body. 



Back. As generally restricted, the upper part of the body of the bird, 

 half way along the mass of flesh (see p. 40) ; as used in Part II. , 

 most of the upper parts, but usually not including wings, tail, or 

 crown. ,.,j,m.j.,.'f',. 



Barred. With cross bands of distinct colors. «^S3feW «^^l=i4«t*M 



Base. The part of bill or quill attached to 

 the flesh. 



Belly. The under parts back of the breast, but not including the tail 

 coverts (see p. 40). 



Blotched. Furnished with rounded spots of a different color. 



Blunt. Rounded ; the opposite of acute. 



Booted. Applied to the tarsus of birds when the usual scales 

 along the front are so grov(Ti together as to seem con- 

 tinuous. 



Bristles. Small hair-like feathers. 



Bronzy. Having a metallic appear- 

 ance like tarnished brass. 



Buffy. A light, dull, brownish-yellow. 



1 The terms defined in Part I. include all that are generally used in bird 

 descriptions. The words in this glossary are supplementary to those in Part I. 

 and are intended chiefly for use in connection with field study of birds. 



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