OF ORNITHOLOGY 149 



Cuneiform, wedge-shaped. 

 Cutanaceous, pertaining to the skin, skinny. 

 Cuticle, hardened portions of the skin. 

 Cylindrical, shaped like a cylinder. 



D. 

 Decurved, curved downwards. 

 Dentate, toothed. 

 Dentirostres, birds in which the bill is lobed or toothed at the 



tip, (Flycatcher-like.) 

 Denuded, rendered nude or bare in any part. 

 Depressed, flattened in a horizontal direction. 

 Dermal, pertaining to the skin. 

 Dew-laps, fleshy Or skinny outgrowths. 

 Diagnosis, a brief description of the marks which distinguish 



one Order, Family, Genus, Species, etc., from another. 

 Digit, any one of the ■■ phalanges (or fingers proper). 

 Digitigrade, — amongst birds — walking on the toes of the 



feet in distinction from plantigrade. 

 Dilated, enlarged, swelled or bulged out. 



Disc, a more or less circular, plate-like arrangement of radiat- 

 ing feathers, — shown especially about the eyes of Owls 



and other Birds of Prey. 

 Divaricate, spreading out (or fan-like) from some common 



stem or centre. 

 Dorsal, pertaining to the back. 



E. 

 Elbow, the outer joint of the humerus. 

 Elliptical, an oval about twice as long as wide. 

 Emarginate, notched, cut into, as if a piece had been cut out. 

 Epidermis, the outer layer of the skin. 

 Epignathous, when the tip of the upper mandible is bent over 



that of the under. 

 Epiphysis, (pi. epiphyses), the caps to the limb bones. 

 Esophagus, the gullet, the channel leading into the stomach. 



Also spelled (Esophagus. 

 Excoriaceous, a state in which the skin seems to come oif in 



small scale-like particles. 



