514 Field Museum of Natural History — Zoology, Vol. XIII. 



Thaumasius taczanowskii fractusaa Bangs and Noble, Atik, 



XXXV, 1918, p. 451. 

 Type locality: Huancabamba, northwestern Peru. 

 Page 175, Agyrtrina chionopectus chionopectus (Goiild). White-breasted 

 Emerald. 



This becomes Agyrtrina brevirostris chionopectus (Gould). The 



type locality (Trinidad) and range, Trinidad and coast of 



Venezuela, remain unchanged {cf. Bangs and Penard 



I.e.). 



Page 177, Agyrtrina versicolor brevirostris (Lesson). Short-billed 



Emerald. 



This becomes Agyrtrina brevirostris brevirostris (Lesson); type 

 locality Guiana (not southeastern Brazil), range — British 

 and Dutch Guiana. Agyrtrina chionopectus vuhitelyi (Boucard) 

 becomes a synonym {cf. Bangs and Penard, Bull. Mus. 

 Comp. Zool., LXII, No. 2, 1918, p. 62). 

 Page 177, after Agyrtrina versicolor versicolor (Vieill.), add: 



Agyrtrina versicolor brabournii^ Bangs and Penard. Braboume's 

 Emerald. 

 Agyrtrina versicolor brabournii Bangs and Penard, Bull. Mus. 



Comp. Zool., LXII, No. 2, 1918, p. 63. 

 Agyrtrina versicolor brevirostris (not of Lesson) Simon and 



Hellmayr, Nov. Zool., XV, 1908, p. i in text. 

 Type locality: Bahia, Brazil, 

 Page 222, Anthracothorax violicauda violicauda (Bodd.). Black- throated 

 Mango. 



According to Bangs and Penard, Bull. Mus. Comp. Zool., LXII, 

 No. 2, 1918, p. 64, this should stand — Anthracothorax nigri- 

 collis nigricollis (Vieillot). 

 Page 301, add Bolivia to the range of Chastocercus burmeisteri Sclater." 

 Page 303, Microstilbon insperatus Todd is now considered a synonym 

 of Chcetocercus burmeisteri Sclater. 



ERRATA 

 Page 21, 3rd line from top, for Asio megellanicus algistus read Asia 

 magellanicus algistus. 



^Thaumasius taczanowskii fr actus Bangs and Noble: Similar to true T. tacza- 

 nowskii (Sclater) but upper parts darker and purer green, less mixed with grayish 

 and less coppery; bill much shorter. 



^Agyrtrina versicolor brabournii Bangs and Penard: Differs from A. v. versi- 

 color (Vieill.) of southern Brazil in having centre of chin, throat, and chest pure 

 white or only slightly spotted with green. 



" This would stand as Microstilbon burmeisteri (Sclater) if genus Microstilbon 

 Todd {cf. Todd. Proc. Biol. Soc. Wash., XXVI, 1913, p. 174) is accepted. 



