80 BLUE YELLOW-BACK WARBLER. 



Bill brownish-black above, yellow beneath. Iris dark brown. Feet 

 and claws dusky. Front and lore black. Head and back part of the 

 neck bright rich blue, including the eye, above and beneath which is a 

 slight streak of white. Back yellowish-green ; rump pale blue. Quills 

 blackish, margined externally with bright blue, of which colour are the 

 wing-coverts, the tips of the first two rows of which are white, forming 

 two bands of that colour on the wings. Tail-feathers blackish, the outer 

 webs blue, a white spot on the inner webs of the three outer, towards the 

 end. Throat whitish, spotted with yellow ; a lunulated blackish spot on 

 the lower neck in front ; breast yellow, spotted with orange ; the rest of 

 the under parts yellowish, fading into white on the abdomen and under 

 tail coverts. 



Length 4^ inches, extent of wings 6^ ; bill along the ridge J, along 

 the gap I ; tarsus |. 



Adult Female. Plate XV. Fig. 2. 



Beak and feet of the same colour. Upper parts similarly coloured 

 but paler, the frontal band wanting. Throat, fore neck and breast, yel- 

 low, without the orange spots, or black lunule. The other parts as in 

 the male, but fainter. 



Length 4 inches. 



The Coppery Iris, or Louisiana Flag. 



Iris cuprea, Pursh, Fl. Amer. vol. i. p. 30 Triandhia Monogynia, Linn. 



laiDES. Jiiss. 



'* Beardless, the stem equal in height to the leaves, which are broad- 

 ly ensiform, the stigmas linear and short, all the petals emarginate, re- 

 flected, and obovate, the inner shorter, the capsules large and hexagonal. 

 Found on the banks of the Mississippi near New Orleans. Flowers of a 

 beautiful copper colour, veined with purple." 



