PRIONOPID.E. 



COCHOA. Type. 



Cochoa, Hodgson, J. A. S. B. v. p. 359 (1836) C. viridia. 



Oreas, Temm. 1838 {teste Gray) C. azurea. 



Prosorinia, Hodgson, J.A.S. B. x. p. 28 (1841) {nom. emend. 



pro Cochoa) C. viridis. 



Xenogenys, Cabanis, Mus. Hein. Th. i. p. 64 (1850) C. azurea. 



Bill of Cochoa purpurea. 

 Range. Himalaya Mountains ; Fokien province, China ; Java. 



Key to the Species. 



it. Centre tail-feathers blue, tipped with black ; wings 

 with a speculum formed by the light blue bases to 

 the outer webs of the primaries. 



a'. Back green ; head cobalt viridis, p. 2. 



h'. Back purplish brown ; head lavender-grey purpurea, p. 3. 



h. Centre tail-feathers dark blue, but not tipped with 

 black ; wings blackish, the feathers edged with blue, 

 biit not forming a conspicuous speculum azurea, p. 4. 



1. Cochoa viridis. 



Cochoa viridis, Hodgs. J. A. S. B. v. p. 359 ; Blyth, J. A. S. B. xv 

 p. 313 ; Gray Sf Mitch. Gen. B. i. p. 280, pi. Ixviii. ; Bhjth, Cat 

 B. Mils. A. 'S. B. p. 194 ; Gray, Cat. Mamni. ^c. Nepal CoU 

 Hodqs. p. 96 ; Gould, B. Asia, part i. ; Jerd. B. Ind. ii. p. 243 

 Stoiiihoe, Ibis, 1868, p. 354 ; Gray, Hand-l. B. i. p. 325, no. 4873 , 

 Sicinh. P. Z. S. 1871, p. 374 ; i)avid ^ Oust. Ois. Chine, p. 214 ; 

 Inglis, Stray F. 1877, p. 37. 



Prosorinia \nridis, Hodgs. J. A. S. B. xii. p. 450; B]}. Consp. i. 

 p. 350. 



Adult. General colour above green, the feathers of the back and 

 scapulars with black tips, rather broader on the least and median 

 ■wing-coverts, which arc like the back ; greater coverts green, broadly 

 tipped with black, and having an external margin of pale silvery 

 blue ; primary-coverts black, externally silvery blue for about half 

 their length ; quiUs black, silverj- blue along the outer web at its 

 base, the secondaries at the extreme basal part ochraceous brown ; 

 centre tail-feathers slaty blue, broadly tipped with black, the next 

 feathers black, slaty blue along the greater part of the outer web, 

 the outer feathers entirely black ; crown of head cobalt-blue, deeper 

 blue on the nape and hind neck ; feathers in front of the eye 



