52 Aves. 
XVII. Aves. . 
[1919] 
■t Parabuteo unicinctus harrisi in Ohio, 
Earl 216. : , . 
Afeliemx metabales races and their 
ranges, Solater & M.-Praed 679 
p. 702. 
\Aslur'\ Accipiter gentilis atricapillus 
in Co. Tyrone, Ireland, Williams 
814. 
Accipiler nisus effect of sunshine on 
habits, Owen 572. — A. minullus list 
of African races, Sclater & M.-Praed, 
679 p. 700. — A. gularis in Java, 
Bartels 59. 
Buteo on the Ethiopian species, B. 
jakal archeri figured in colour p. 252, 
B. b. rujiventer the correct name for 
B. desertorun auct. p. 254, B. oreophilus 
and B. meneiresi note, Sclater 674. — 
B. galapagensis nesting and other 
habits, Gifford 264 p. 190. — B. ery- 
thro 7 iotus note on plumages, Chubb 141 
p. 281. — B. rufofuscus (Forster) is the 
oldest name for B. jackal Baud, et 
auct., Richmond 613 . p. 649. — B. buteo 
life history in Denmark, Hansen 304 ; 
commoner in England, Jourdain 380. — 
B. buteo zi miner mannae occurrence in 
Belgium, Havre 317. — B. rujiicaudus 
occurrence in Holland, Shoukaert 
695 p. 18 description and comparison 
of specimens, Hens 327. — B. b. harterti 
Madeira p. 43, B. b. rothschildi Azores 
p. 43, B. b. bannermani Cape Verde 
Is. p. 44, B. abbrevialus minimus, 
S. Brazi Ip. 51 subspp. n., Swann Synop. 
List Accipitr. — B. borealis polymorphic 
plumages and economics in Alberta, 
Taverner 744. 
Leucopternis albicollis recorded from 
Peru, Chubb 141 p. Leucopternis 
ghiesbreghli coslaricensis subsp. n, Costa 
Rica, Sclater Bull. B. 0. C. 39 p. 76. 
Ilarpia harpyja is the correct name 
for the S. Amer. Harpy Eagle, Obeu- 
holser 534. 
Aquila chrysaelos in Galloway, Max- 
well 476. — A. nipalensis orienlalis and 
A. p. pomarina, first African records, 
Sclater & M.-Praed 679 pp. 697-8. — 
A. orientalis on supposed occurrence 
in Pomerania, Tischler 760. — A. poma- 
rina and A. maculata occurrence in 
Switzerland, Hess 334. 
[Archibuleo] Triochis , must , replace 
Archibuteo p. 282, not separable from 
Buteo p. 420, Oberholser 534. 
Lophotriorchis isidori plumages of 
adult und young, Chubb 141 p. 283.— 
Ilieracelus ayresi identical with L. lu- 
cani description of specimens and 
coloured plate, Finch-Davies 237. 
Spizaetus batesi sp. n. Cameroon, 
Sclater Bull. B. O. C. 39 p. 87 ; = 
S. africanus, Cassin id. ibid p. 93. — ’ 
S. nipalensis fokiensis subsp. n. Fokien, 
China, Sclater Bull. B. O. C. 40 p. 37. 
[Asturinula] Kaupifalco monogram- 
micus range of the two races, Sclater 
& M.-Praed 679 p. 695. 
Herpetotheres cachinnans queribundus 
subsp. n, Pernambuco Brazil, Bancs 
& Pbnari) Bull. Mus. Comp. Zool. 63 
p. 23. 
Pithecophaga jefferyi osteology, Siiu- 
FELDT 691. 
> Spilornis cheela ricketti Fokien, China, 
p. 37, S.c:> kinabaluensis Kinabalu Mt. 
Borneo p. 37, S. c. palawanensis, 
Palawan I. p. 38 subspp. n. with a 
synopsis of the genus Sjnlornis, Sclater 
Bull. B. 0. C. 40 .— aS. bassus (Forster) 
antedates S. bacha (Baud.) et auct., 
Richmond 613 p. 549. 
Halioeetus albicilla brooksi is the form 
of the Sea Eagle occurring in Alaska, 
Oberholser 529 p. 82. — 11. leucoyuster 
breeding notes from Bampier Is. 
and nest photographed, Whitlock 802 
p. 243. 
Thalassoaetus pelagicus in the Pribilof 
Is. new to N. America, Hanna 303. 
[Nauclerus'l Cheliclinia riocourii 
sexual distinctions and generic name, 
Sclater & M.-Praed 679 p. 691. 
Milvus migrans on the Sudanese 
subspecies, Sclater & M.-Praed 
679 p. 689. — ill. govinda wrongly 
recorded from Provence, France, Her- 
mitte 330, 
Elanus scriplus figured in colour 
with notes on nesting habits and other 
habits, Jackson 374 White H. L. 796. 
Oampsonyx swainsonii synonymy of 
the two races, Chubb 141 p. 287. 
Machaerhamphus ulcinus recorded 
from Sumatra, Robinson & Kloss 633 
p. 82. , 
Pernis apivorus the nesting-tree and 
the voice, Hesse 335. — P. celebensis 
steerei subsp. n. Philippine Is., Sclater 
Bull. B. 0. C. 40 p. 41. 
