57 Arcs . 
Systematic, — Psittaciformes. 
5831 
Gampsonyx swainsonii magnus W. 
Peru p. 21, G. s. leonae Nicaragua p. 22 
subspp. n., Chubb Bull. B.O.C. 39. 
Pernis ajrivorus breeding in Essex, 
Jourdain 397 ; field notes in France, 
Fuye 262 ; in Hungary, Chernel 144 ; 
plumage and moult, Gylling 306. 
Baza emini plumage changes, 
Someren 813 p. 265. 
Microhierax nesting habits of Indian 
species, M. melanoleucus egg figured 
pi. ii fig. 5, Baker 42 p. 61. 
Valeo peregrinus Polish races dis- 
cussed, Domaniewski 218 p. 1024. — F. 
p. rhenanus subsp. n. Rhine valley, 
p. 42 pis. ix, x, F. p. scandanaviae 
subsp. n. Sweden p. 46 pis. xxxii, xxxiv, 
Kleinschmidt Berejah. — F. lanarius 
taken near Rome, Mazza 537.— F. 
biarmicus erlangeri in the Sahara, 
Sohweppenburg 76 p. 133. — F. sub - 
buteo breeding habits, Ashley 22. — F. 
8. ussuriensis subsp. n. Manchuria 
pp. 260, 267, with notes on other palae- 
arctic forms p. 256, Domaniewski 
O.R. Soc. Sci. Varsovie 10. — F. 
lunulatus discoloration due to dryness 
of atmosphere, Soderberg 808 p. 56 
pi. i figs. 1-3. — F. [ aesalon ] alfred- 
edmundi Iceland p. 9, F. [ae.] christiani - 
ludovici Caucasus p. 10, subspp. n., 
Kleinschmidt Falco 13. — F. rufigu- 
laris petoensis Yucatan, F. r. pax 
Bolivia, subspp. n., Chubb Bull. B.O.C. 
39 p. 22. 
[Hierofalco] Falco\ rusticolus, identi- 
fication of Linne’s original description, 
Kleinschmidt 419. — H. rusticolus 
candicans first record for N. Dakota, 
Oberiiolsbr 624. 
Hieracidea orientalis, description of 
various plumage variants, Soderberg 
808 p. 56 pi. iii. 
Gerchneis naumanni sarmaticus subsp. 
n. Poland, Domaniewski C.R. Soc. 
Sci. Varsovie 10 pp. 1044 1046. 
ORDER STRIGIFORMES. 
Owls of Iowa monographed, Bailey 
36. 
Asio flammeus, nesting habits in 
Saskatchewan, Goelitz 279; method 
of securing Gtenomys in Argentina, 
Pozzi 668. 
Bubo bubo hispanus , occurrence in 
Algeria, Rothschild 714. 
Putsalrix perspicillata trinitatis subsp. 
n. Trinidad, Bangs & Penard Bull. 
Mus. Comp. Zool. 52 p. 51. 
[/Scops] Otus roboratus sp. n. N.W. 
Peru, Bangs & Noble Auk 35 p. 448. 
— Pisorhina vandewateri addt. descrip- 
tion, Robinson & Kloss 703 p. 127. 
Ninox scutellata, note on Siamese 
and Malayan races, Kloss 426 p. 88. — 
N. goldii , correction as to type locality, 
Rothschild & Hartert 719 p. 325. 
[Syrnium] Strix a. aluco , unusual 
clutch of eggs, Owen 633. 
Surnia ulula pallasi, descriptive note 
from N.E. Siberia, Riley 696 p. 617. 
Athene noctua in Somersetshire, 
Wiglesworth 917. 
Speotyto cunicularia minor subsp. n. 
N. Brazil, Cory Field Mus. Publ. Zool. 
13 p. 40. 
Glaucidium passerinum in the Ticino 
valley, Ghidini 271 ; field-notes and 
feeding habits, Palmgren 646. — G. 
gnoma pinicola, first record for Cali- 
fornia, Grinnell 295 p. 86. — G. 
perlatum , a curious mimicry effect, 
SWYNNERTON 840. 
Strix hostilis sp. n. England, Klein- 
schmidt Falco 11 p. 18. — S. flammea 
rhenana in north-east France, Bao- 
meister & Kleinschmidt 32 p. 267. — 
Tyto pratincola , the American Barn 
Owl a subspecies of the British, Ober- 
holser 606 p. 464. 
ORDER PSITTACIFORMES. 
Australian Parrots, a rejily to the 
Marquess of Tavistock, Matiiews 625. 
Nestor notabilis osteology, Shufeldt 
793. 
Eos ricinata (Bechst.) ; for this name 
E. guenbyensis (Scopoli) must be substi- 
tuted, Oberiiolser 623 p. 48. 
Lorius hypoenochrous rosselianus 
subsp. n. Rossel I. Louisiade Group, 
Rothschild & Hartert Nov. Zool. 
25 p. 312. 
Trichoglossus aberrans sp. n. German 
New Guinea, Reichenow J. Ornith. 
1918 p. 489. 
