417 

 GLOSSARY OF TECHNICAL TERMS 



USED IN DESCRIBING THE BIRDS. 



Alula. — Little wing, the bastard wing composed of the feathers, that are set on 

 the so-calle<I thumb. . 



Auriculars. — The straight hair like feathers overlying the ears. 



Axillars. — Feathers growing from the armpit. 



Coverts. — The small feathers under or over the tail or vvinffs. 



Crissum. — The under tail coverts taken together. 



(Cinereous. — Of an ashy colour. 



Corrugated. — Wrinkled. 



Cordate. — Heart shaped.^ 



Crescentic. — Moon shaped. 



Commissure. — The line of junction of the mandibles when closed. 



Culmen. — The highest arch of the upper mandible. 



Dorsal. — Belonging to the back. 



Fulvous. — Of a brownish yellow colour. 



Fuliginous. — Dark brown. 



Falcate. — Sickle shaped. 



Glaucous. — A dull green passing into blue sea green. 



Gallinaceous. — Having the nature of a domestic fowl. 



.Tntertomial. — Between the cutting edges of the bill. 



Interscapulars. — The feathers between the shoulders. 



Iris. — The circular muscular curtain hanging perpendicularly in the eye between 

 the aqueous and vitreous humors and having in it a circular opening the 

 pupil. 



Jugulura. — The throat. 



Lores. — Space between the eye and the bill. 



Loral. — Belonging to the lores. 



Lanceolate. — Lance shaped. 



Mandible. — The jaw. 



Nuchal. — Belonging to the neck or nape. 



Nape. — Back of the neck. 



Nasal. — Belonging to the nose. 



■Ochraceous. — Colour of yellow ochre. 



Orbital. — Pertaining to the eye socket. 



Occiput, — Back of the head, 



Primaries. — The nine or ten stiff feathers which form the tip of the wing. 



Pileum. — The cap or top of the head. 



Plumbeous. — Lead colour. 



Pectinations. — Comb-like toothing. 



Pectoral. — Belonging to the breast. 

 34 (c). 



