304 



REVIEW OF AMERICAN BIRDS. 



[part I. 



auil upper tail coverts into greenish blue and violet. Beneath pure white, 

 the sides and linings of wings faintly tinged with ashy. Ear coverts white, 

 tinged at ends with dusky ; traces of a narrow dusky collar on the sides of the 

 jugulum. Feathers of chin and throat white to very base, those of jugulum 

 and rest of under parts lead color towards roots. The lateral tail featliers 

 externally are edged narrowly with whitish. The ends of the quills have a 

 violet tinge. The bases of the feathers of nape and forehead light gray, but 

 not white. 



Total length, 5.80; wing, 4.60; tail, 3.00; depth of fork, l.OO; difference 

 between primaries, 2.35 ; length of bill from forehead, .44, from nostril, .23, 

 along gape, .57, width, .47 ; tarsus, .49 ; middle toe and claw, .56, claw alone, 

 .20 ; hind toe and claw, .36, claw alone, .20. 



(11,946.) Type. 



Hiruiido ciiclirysea. 



Iliraiido eurhri/sea, GossE, Birds Jamaica, 1847, 68 (Jam.). — In. 111. tab. 

 xii. — March, Pr. A. N. Sc. 1863, 295. — Herse euchri/sea, Bp. Consp. 

 ^4l.—PetrocIielido7c eu. Sclater, P. Z. S. 1861, 72.— Ib. Catal. 1861, 

 39, no. 240 (Jam.). 



Ilab. Jamaica. 



(No. 23,333, 9 .) Above bright aud lustrous metallic green and golden, 

 variously blended ; the quills aud tail feathers, with lining of wings and 

 axillars, similar, but duller. Beneath white ; the metallic green of the head 

 extending on the edge of the chin, the middle part of which is grayish ; the 

 jugulum and breast with large dull spots somewhat like the back. Down of 

 the back of neck and of the back rather dark ashy. Tibise brown. Quill 

 and tail feathers blackish-brown, glossed as described. Feathers of chin and 

 throat gray at extreme base. 



(No. 23,333, 9.) Total length, 4.70; wing, 4.35 ; tail, 2.30; diflference of 

 primaries, 2.10? length of bill from forehead, .37, from nostril, .20, along 

 gape, .47, width, .35 ; tarsus, .42 ; middle toe and claw, .48, claw alone, .15 ; 

 hind toe and claw, .28, claw alone, .14. 



