24 Aves. 
XV. Aves. 
[1921 J 
573. — Ralfe, P. G. Manx ornitholo- 
gical notes, 1920. Brit. Bds. London 
15 1921 pp. 39-40. 
574. — Rasmussen, C. A. Om fore- 
komsten af Markpiberen (Anthus cam- 
pestris) vest for Iseljorden. Dansk 
Orn. Tids. Kjobenhavn 15 1920 pp. 
25-36 map. 
575. — Raspail, X. Sur le transport 
par les Buteoniens de leurs jeunes d’un 
nid dans un autre. Rev. Fr. d’Orn. 
Paris 13 1921 pp. 93-94 ; also Coop- 
man, L. and Gu6rin, M. C. pp. 147-149. 
576. — Rattigan, G. E. Nesting notes 
on the Yellow-billed Cardinal ( Paroaria 
capitata). Bird Notes Ashbourne (3) 4 
1921 pp. 164-168. 
577. — Raw, W. Field notes on the 
birds of Lower Egypt. With contribu- 
tions by Col. R. Sparrow, C.M.G., etc., 
and the Rev. F. C. R. Jourdain. Ibis 
London 1921 pp. 238-264 359-387 569. 
Reichenberger, E. M. B. vide Cherrie. 
578. — Reichenow, A. tlber Bnteo vul- 
piuu8 Lcht. J. Ornith. Leipzig 69 1921 
pp. 38-40 ; also Stresemann, E. pp. 
215-217 and Reichenow, A. pp. 217- 
218. 
579. — Reichenow, A. Neue Vogel- 
arten aus Kamerun. J. Ornith. Leip- 
zig 69 1921 pp. 46-49. 
580. — Reichenow, A. Die spitzhau- 
! bigen Turakos. J. Ornith. Leipzig 69 
1921 pp. 211-215. 
581. — Reichenow, A. Neue Arten- 
Arboricola, Turtur, Alseonax, Apalis. 
J. Ornith. Leipzig 69 1921 pp. 263-266. 
582. — Reichenow, A. Eine neue 
Drossling ( Creteropus ). J. Ornith. Leip- 
zig 69 1921 p. 461. 
583. — Reichling, H. Der Kleine 
Krabbentancher, A lie alle L., in 
Westfalen, sein Vorkommen im Innern 
von Deutschland und an den deutschen 
Kiisten. J. Ornith. Leipzig 69 1921 pp. 
139-147. 
584. — Reichling, H. Beitrage zur 
Vogelfauna des Munsterlandes. Jahres- 
ber. Prov. Ver. Wiss. Munster 44 1916 
pp. 154-168 45 1917 pp. 83-98. 
585. — Reichling, H. Eine interes- 
sante albinotische Varietat von Budytes 
flavus. Jahresber. Prov. Ver. Wiss. 
Munster 47-48 1920 pp. 19-21. 
586. — Renshaw, G. An historic egg 
[ Didunculus strigirostris ]. Ool. Rec. 
London 1 1921 pp. 39-40. 
587. — Reventlow, C. E. Storkene 
paa Brahetrolleborg. Dansk. Orn. 
Tids. Kjobenhavn. 15 1921 pp. 87-92 
2 photos. 
588. — Reyne, A. Over het voorkomen 
van den Rotshaan ( Rupicola crocea L.) 
in Suriname. Ardea Leiden 10 1921 
pp. 25-26. 
589. — Ribeiro, A. de M. Revisao dos 
Psittacideos brasileiros. Rev. Mus. 
Paulista Sao Paulo 12 1920 pt. 2 pp. 
1-82 9 pis. 
590. — Riddle, O. General effects of 
increased and decreased pressures of 
oxygen on dove embryos. Proc. Soc. 
Exp. Biol. Med. New York 18 1921 
pp. 102-5. 
591. — Riddle, O. Identical twins in 
pigeons arise from ova of markedly 
aberrant size. Proc. Soc. Exp. Biol. 
Med. New York 19 1921 pp. 12-14. 
692, — Riley, J. H. Note on the name 
Qazzola Bonaparte [ Nesocurax gen. n.]. 
Auk Lancaster Pa. 38 1921 p. 458. 
593. — Riley, J. H. Five new genera 
of Birds. Proc. Biol. Soc. Washington 
D.C. 34 1921 pp. 51-54 [Columbidae 
Bucerotidae, Meliphagidae]. 
594. — Riley, J. H. Four new birds 
from Celebes. Proc. Biol. Soc. Wash- 
ington D.C. 34 pp. 55-58 [ Scolopax , 
Dendrobiastes, Myzomela, Lampro- 
corax ]. 
Rintoul, L. J. vide Baxter. 
595. — Riquier, G. C. Ancora sullo 
sviluppo del sistema nervoso simpatico 
dei rettili e degli uccelli. Riv. patol. 
nerv. ment. Firenze 25 1920 pp. 38-46 
3 figs. 
596. — Ritson, C. F. A. Notes on some 
of the rarer British Birds which breed 
in Denmark. Ool. Rec. London 1 1921 
pp. 95-101. 
597. — Ritter, W. E. Acorn-storing 
by the California Woodpecker. Condor 
Berkeley Cal. 23 1921 pp. 1-14 4 figs. ; 
also Henshaw, H. W. pp. 109-118 
1 photo. ; also Peck, M. E. p. 131. 
598. — Riviere, R. B. The autumn 
movement of Gulls on the Norfolk 
coast. Trans. Norfolk Nat. Soc. 11 
1921 pp. 104-127 map. 
