AaVRTRINA. 397 



Total lenp;th Ofi mm., ciilmen 20, Tving 52, tail 32. 



The bird from which the description is taken, apparently a 

 male, was collected on the A];arj River. 



The female of this species is not represented in the McCoiinell 

 collection, but is, according to tlie '(Catalogue of Birils,' siiiiilar to 

 the male, distinguished only by having the lateral tall-feathers 

 obscurely tipped with bronzy grey. 



Breeding-season. Unknown. 



JYest. Unrecorded. 



J^ggs. Undescribed. 



Range in British Guiana. Abary Hiver {McConncll collection) ; 

 Quonga (^M liitely). 



Extraiimital Itinge. Cayenne and Surinam. 



Habits. According to Schombui'gk (Reis. Guian. iii. p. 705) 

 this bird is common in British Guiana. 



Mr. J. J. Quelch, who observed this species in Georgetown, 

 remarks (Timehri (2) v. p. 100) : — '"This species is extremely 

 common in all parts." 



2(jS. Agyrtrina whitelyi. 

 Wiiitely's Emerald. 



ZTrnnomitra wliitelyi Boucard, Humming Bird, iii. p. 8, 1803 ; id. op. cit. 



iv. p. 1(31, iSiil (Aunai). 

 ? Ag\jrtria chionnpecius (nuc Gould), Quelch, Tiuieliri (2) v. p. 1(^1, lSi)l 



(Georgetown). 

 Agyrtria niveipectus Salvin, Cat. B. Brit. Mus. xvi. pp. ISO, (550, 



1S92 (Quonga, Aunai). 

 Agyrtria ivhitelyi Brabourne & Chubb, B. S. Amer. i. p. 112, no. 1072, 



1912. 



Adult male. General colour of the np]^er parts green with a 

 bronzy tinge on the back inclining to copper}' bronze on the 

 upj)er tail-coverts ; tail bronze with a (hii-k sul)aj)ical bar; ihaht- 

 feathers purplish brown ; fore part of head and sides of face 

 glistening metallic-green ; throat, middle of ab(h)meii, and under 

 tail-coverts white ; breast, sides of i)ody, and under wing-coverts 

 bronze-green. ]}ill black. 



Total length 'J2 mm., culinen IG, wing 4^, tail 25. 



Adult female. Similar to the adult male l)ut much didl(>i-, and 

 the bright glistening nustallic jiatcli on thc^ fore part of the head 

 in the nude is al).><ent in the female. Wing 47 mm. 



The Joscriptioiis of the male and fomalo are taken from specimens 



