2. COLTJMBA. 245 



(3. A white nuchal band or collar (Chlor- 

 cenas). 



a'. Mantle dark olive, with no rufous 



or chestnut tinge. 



a". Anterior upper wing-coverts of a 



much lighter grey than the 



scapulars. 



a". Tail with a distinct blackish 



baud across faeciata, p. 291. 



/3'". Tail almost uniform grey, with 



no blackish band vioscce, p. 293. 



ji". Anterior upper wing-converts dark 

 grey, uniform with the scapulars. 

 y". Middle of the abdomen, vent, 

 and under tail-coverts whitish 



grey crissalis, p. 294. 



8'". Middle of the abdomen, vent, 

 and under tail-coverts dark grey, 

 more or less tinged with vina- 



ceous albilinea, p. 294. 



/3\ Mantle like the lower part of the 

 hind neck and scapulars, tinged 



with chestnut araucana, p. 29(3. 



A'. No well-defined metallic patch on 



nape. 

 y. Tail paler at the tip ; head glossed 



with green above lauriiora, p. 297. 



8. Tail not paler at the tip. 

 y'. Tail with a broad grey band not at 

 the tip. 

 y". Light tail-band more towards the 

 tip. 

 ('" . Scaly feathers of the hind neck 

 metallic green, with purple re- 

 flections ; on the sides of the 

 neck a patch of feathers with 



coppery chestnut gloss bollei, p. 297. 



£'". Scaly feathers of the hind neck 



tipped with glossy grey trocaz, p. 298. 



8". Light tail-band more towards the 

 base ; two well-defined patches on 

 the sides of the neck. 

 rj'". Patches on the sides of the neck 



white palumbus, p. 299. 



6'". Patches on the sides of the neck 



bud' casiotis, p. 302. 



8'. Tail uniform, with no light band. 

 f". Neck with li^rlit spots. 

 i". Hind neck black, with light silvery 



spots. [p. 303. 



a 1 . Breast vinous torrtngtotwB, 



H'. Breast grey elpMrutonei, 



k". Spots nearly all round the neck [p. 304. 

 buff, forming an almost com- 

 plete collar pulchricollu, 



p. 30-.. 



