IXTHOnUC'TIOX. IX 



vividly aiifl distinctly l)e£orc the mental eye. Werner's Nomencla- 

 ture of Colours^ altliongli a work very little knoMii or used^ I have 

 found very useful for fixing in my own mind certain general rules, so 

 as to insure consistency in my descriptions of birds and other natural 

 objects." 



References to Diagram. 

 1, forehead [frons) ; 2, crown {vertex) ; 3, hind-head (occiput) ; 

 4, nape (nucha) ; 5, lore, or loral space ; Q, eye (coloured margin, 

 iris) ; 7, ear-coverts ; 8, hind-neck [cervix) ; 9, side of neck ; 10, back 

 {dorsum); W, rump {iiropygium) ; 12, upper tail-coverts; 13, tail- 

 feathers {rect rices) ; 11, primaries, and 15, secondaries {remif/es) ; 16, 

 larger wing-coverts ; 17, lesser wing-coverts (including ''^ median '^) ; 

 18, carpal flexure, or bend of wing; 19, scapulars; 20, chin {mentum); 

 21, throat {gida) ; 22, fore-neck {juyulum) ; 23, breast {pectus) ; 24, 

 abdomen ; 25, vent ; 26, under tail-coverts ; 27, tibial plumes ; 28, 

 cere ; 29, ridge of upper mandible {culmen) ; 30, lower mandible ; 

 31, tarsus ; 32, middle toe and claw ; 33, pallux, or hind toe and claw. 



W. L. BULLER. 



