The GyninorhincE or Australian Magpie. 209 



Descriptions op Birds. 



Gyiniwrhina tihicen. 



Adult male. — Glossy bluish-black, except portions of the under- 

 parts and primaries, which are of a more brownish tinge, and 

 except nape and hind neck, upper and under wing coverts, edge 

 of wing, upper and under tail cuverts, tail (except a broad 

 terminal band and outer web of either of the outermost feathers) 

 and vent, white. Bill, bluish-white, graduating tlirough blue horn 

 colour into bluish-black at the tip; irides, light hazel ; legs, black. 



Adult female. — Differs in possessing a more brownish tinge 

 throughout the black plumage, and by having the nape and hind 

 neck, and lower back grey instead of white. 



Young. — Most resemble the female, with the dark portions of 

 the plumage brownish-black. 



Gvmnorlu'ua Icuconota. 



Adult male. — Black generally, more glossy on some portions, 

 and brownish tinged on other parts, except nape and hind neck, 

 back, upper and under wing coverts, edge of wing, upper and 

 under tail coverts, tail (except the terminal ])and and outer web 

 of either of the outermost feathers) and vent, white. Bill bluish- 

 white, graduating through bluish-slate into bluish-black at the tip; 

 irides, light hazel ; legs, black. 



Adult female. — Differs in having the black portions of the 

 plumage not so intense in colour, and by having back of neck 

 and back grey ; some of the feather shafts, particularly on the 

 back, showing a fine dark stripe. 



Young (from the nest). — Most resemble the female. In some 

 instances, excepting on the head, the dark portions of the plumage 

 are rusty brown. 



"Immature birds, of both .sexes, have the whole of the back 

 clouded with grey, and the bill of a less pure ash colour." — (Gould). 



Gymnorhiua dorsal is. 



Adult male. — Resembles most the male of G. leuioiiota, but is 

 smaller in size, bill narrower, more curved and longer, edge of 

 wings slightly mottled instead of white, and the black terminal 



