[1921] 
XV. Aves. 
Aves. 45 
Astur iachiro benguellensis subsp. n. 
Angola, Swann Synopsis p. 34. — A. 
toussenellii canescens subsp. n. Ituri 
Belgian Congo, Chapin Amer. Mus. 
Nov. No. 7 p. 1. 
Accipiter nisus nesting observations. 
Owen 540 542. — A. n. peregrinoides 
subsp. n. eastern Europe, Kleinschmidt 
in Grote “ Aus der omithol. Lit. 
Russl.” p. 56 [ vide Grote 258]. — A. 
chionogaster venezuelensis subsp. n. 
Venezuela, Swann Auk 38 p. 358 ; also 
Synopsis p. 58. — A. hilgerti further 
information, Hartert 285 p. 97. 
Heterospizias meridionalis australis 
subsp. n. Argentina, Swann Auk 38 
' p. 359. 
[Tacky triorchis] Buteo abbreviatus 
taxonomic note, Swann 712 p. 360. 
Buteo erythronotus p. 57, B. poecilo- 
citrous p. 59 plumages and taxonomy, 
Chapman 135. — B. buteo plumage varia- 
tions, Lonnberg 419 ; nesting and 
other habits, Labitte 380 ; Lamont 
412. — B. b. desertorum British records 
examined, Witherby 792. — B. vul- 
pinus nomenclatural note, Reichenow 
578. 
Asturina plagiata micrus subsp. n. 
Nicaragua, Miller & Griscom Amer. 
Mus. Novit. No. 25 p. 4. 
Rupornis magnirpstris taxonomic 
note, Hellmayr 291 p. 183. 
Oypdetus barbatus extinct ? in the 
Alps, Tschtjsi 748. 
Aquila clanga and A. pomarina re- 
cords of occurrence in Belgium, Havre 
287. — A. clanga British records exa- 
mined, Witherby 792. — A. pomarina 
breeding notes, Rudiger 620 ; occur- 
rence and nosbing in Hungary, 
Szemere 719; A. albipes sp. n. White 
Nile, Chapman Savage Sudan p. 110. 
Butastur rufipennis obtained near 
Dakar, Menegaux 476. 
Helotarsus ecaudatus plumage and 
colour development, Welch 771. 
Halidetus albicilla status in Iceland, 
Nielsen 512. 
Rosthramus sociabilis historical note, 
Hellmayr 291 p. 176. 
Gampsonyx swainsoni leonae Chubb = 
G. s. meridensis Swann, Miller & 
Griscom 485 p. 13. 
Pernis apivorus transporting young 
out of danger, Raspail 575. 
Ictinia plumbea vagans subsp. n. 
Nicaragua, Miller & Griscom Amer. 
Mus. Novit. No. 25 p. 5. 
Falco peregrinus monograph, Klein- 
schmidt 359 ; a discussion of the sub- 
species, Lavauden 390. — F. aesalon 
nesting notes in Yorkshire, Rowan 616 ; 
nesting in the Riesengebirge in Silesia, 
Schlott 642. 
[Cerckneis] Falco naumanni breeding 
notes in Macedonia, Chasen 137. 
ORDER STRIGIFORMES. 
Ceylon Owls revised, Wait 760. 
Asio tingitanus andrewsmithi nom. n. 
pro Otus (now Asio) capensis Smith and 
note on other S. Afr. Owls, Sclater 
Bui. B. O. C. 42 p. 24. 
Bubo bubo engadinensis subsp. n. ? 
Burg Weidmann 1921 No. 9 p. 4. — B. 
b. jarlandi subsp. n. Yunnan, La Touche 
Bui. B. O. C. 42 p. 14. — B. virginianus 
nacurutu plumage and status, Chapman 
135 p. 60. — B. ajricanus races discussed, 
Hartert 285 p. 98. 
Scops giu, nestling plumage and 
habits of young birds, Meade-Waldo 
453. — Otus bahkamoena Yunnan race 
discussed, Rothschild 613 p. 20. — 
Pisorhina angelinae second known 
example from E. Java, Robinson 599 
p. 65. — Otus choliba luctisonus subsp. n. 
Central America, Bangs & Penarf 
Proc. Biol. Soc. 34 p. 89. 
[Syrnium] Strix aluco sylvatica the 
British bird separable under this name, 
Witherby 792. — Strix uralensis and 
S. lapponicus status in Saxony, Heyder 
304. — S. chacoensis sp. n. Paraguay, 
Cherrie k Reioiien berger Amer, Mus. 
Novit. No. 27 p. 1. 
Glaucidium pycrafti probably a 
synonym of G. tephronotum Sharpe 
said to be from S. America, Chapin 
129. 
[Strix] Tyto alba erlangeri subsp. n. 
Aden Protect., Sclater Bui. B. O. C. 
42 p. 24. 
ORDER PSITTACIFORMES. 
Revision of Brazilian Parrots with 
col. figs, of Pyrrhura molinae, P. 
roseifrons, Tirica tirica , Ribeiro 589. 
How to sex live Parrots, ICnobel 
365. 
