[1921] 
XV. Aves. 
Aves. 35 
Schmidt, 643 ; T’Sant, 747 ; Zimmer- 
mans, 816 ; Nesting in France : 
Bishop, 78 ; Belgium : Galasse, 224 ; 
Denmark : Ritson, 596 ; Spitsbergen : 
Oordt, 530 ; Spain : Congreve, 162 ; 
SteNhouse, 692; Swann, 713, 714; 
Macedonia : Ciiassen, 138 ; Egypt : 
Raw, 577 ; Palestine, Pitman, 560 ; 
C. Asia : Schlegel, 641 ; N. China : 
La Touche, 382 ; East Africa : B. — 
23 ; South Africa : James, 336 ; 
India : Baker, 34 ; Osmaston, 537 ; 
Philippine Is. : McGregor, 438 ; Aus- 
tralia : White, H. L., 776, 778, 779; 
Paraguay : Fiebrig, 207 ; United 
States : Gabrielson, 223 ; Saunders, 
629. 
Nidification. — Observations on single 
species ( see Pt. iii) : Beebe, 64 ; Bent, 
68; Bowles, 96; Carie, 119; Chas- 
seN, 137; Daguerre, 174 ; Dietrich, 
184, 185, 186 ; Gill, 236 ; Gordon, 
242 ; Gross, 256 ; Guerin, 266 ; 
Hanna, 274; Hess, 298; Hopwood, 
316 ; Howe, 321 ; Hunt, 325 ; In- 
gram, 330; Jourdain, 343; Lewis, 
400; Livesey, 410; McGilp, 437; 
Mailliard, 448 ; Millar, 481; Osmas- 
ton, 538; Owen, 540; Pierce, 559; 
Renshaw, 586; Rowan, 616; Schle- 
gel, 639, 640 ; Sciioley, 650 ; 
Shaver, 669 ; Smith, 680 ; Stephens, 
695; Stoner, 700; Townsend, 742; 
Tregellas, 746 ; T’Sant, 747; Waite, 
759. 
Voice. — Burkett, 111 ; Fisher, 209 ; 
Hoffmann, 311, 312; Parker, 548; 
Saunders, 628 ; Schwan, 657, 658 ; 
Stadler, 688 ; Stadler & Schmitt. 
690. 
Psychology. — Buytendijk, 117 ; 
Dewar, 181 ; GriNnell, 250 ; Kaiser, 
347 ; Miller, 483, 484 ; Schut, 656 ; 
Smith, 678; Szymanski, 721. 
Colour and Moult. — Bonhote, 91 ; 
Ewart, 204 ; Gengler, 231 ; Ingram, 
329; Kuroda, 378; Mallock, 453; 
Schroler, 637 ; Stresemann, 706, 
708 ; Ticehurst, 734. 
Ecology. — Abel, 2 ; Brock, 102. 
Pathology. — Egge, 200; Jouan & 
Staub, 342 ; Milojevic, 491 ; Mou- 
quet, 496 ; Peyron, 554, 555 ; Pey- 
ron et Lieure, 556 ; Ward & Galla - 
gher, 764. 
Mortality. — Palmer, 543 ; Stadler, 
689 ; Tratz, 745 ; Tschusi, 748. 
(n-17041 g ) q 
VARIATION AND AETIOLOGY 
Variation. — Bergtold, 71 ; Cole, 
156 ; Lonnberg, 417 ; Watson, 768 ; 
Wayne, 770. 
Teratology. — Forsius, 216 ; Muri- 
sier, 502. 
Hybrids. — Blaauw, 82 ; Chappel- 
lier, 136 ; Phillips, 558 ; Poll, 564. 
Heredity and Evolution. — Bonhote, 
92; Krausse, 372; Lowe & Mack- 
WORTH-pRAED, 427 J MeINERTZIIAGEN, 
472. 
Genetics. — Ciiodat, 142 ; Harris 
& Lewis, 277 ; Harris, 278 ; Lippin- * 
cott, 409; Meinertzhagen, 472; 
Milojevic, 491 ; Phillips, 558 ; Poll, 
564; Punnett & Bailey, 570; 
Punnett & Pease, 571 ; Simpson, 
674. 
Sexual Problems. — Poll, 564. 
Influence of externals. — Bergtold, 
70 ; Thanner, 726. 
Fossil and Extinct Birds. — Allen, 
10 ; Bensley, 67 ; Miller, 482 ; 
Mullens, 499; Newton, 507 ; Petro- 
nievics, 553. 
GEOGRAPHY AND FAUNAS. 
General. — Arldt, 18. 
Palaearctic Region. — General : 
Grote, 257 ; Hartert, 279. 
British Islands. — Gengler, 228 ; 
Jackson, 334; Witherby, 791, 792, 
796 ; Hertfordshire : Bickerton, 75 ; 
Oldham, 529 ; Sussex : Butterfield, 
114; Ticehurst, 726, 737, 738; Ox- 
fordshire: Jourdain, 345; Dorset- 
shire : Blathwayt, 83 ; Essex : 
Austin, 22; Glegg, 240; Horn, 
317; Norfolk: Gurney, 268; Long, 
414 ; Riviere, 598 ; Watson, 768 ; 
Lincolnshire : Medlicott, 464 ; War- 
wickshire : Madden, 441 ; Meiers, 
465 ; AVorcestershire : Elliott, 201 ; 
Shropshire: Forrest, 215; Stafford- 
shire : Masefield, 455 ; Lancashire 
and Cheshire : Coward, 168 ; Stubbs, 
709; Yorkshire: Booth, 93; North- 
umberland : Bolam, 87, 88, 89; AA r AT- 
son, 767 ; Scotland : Baxter & Rix- 
toul, 60, 61; Brock, 102; Clarke, 
153 ; Clarke & Stenhouse, 154 ; 
Collinge, 160; Gladstone, 239; 
Macfarlane, 436; Stenhouse, 693; 
c 9—2 
I 
