45 Aves. 
Subject Index. — Geography, 
5827 
Lashley, 463 ; Tugman, 867 ; Tyler, 
873 ; Watson & Lashley, 882. 
Colour and Moult. 
General — Jackson, 416 ; Swynnerton, 
826 ; Wither by, 918. 
Moult and plumage- change in — 
Podiceps griseigena ; Witherby, 919 ; 
Loxia curvirostra ; Ticehurst. 849. 
Pathology. 
Beckwith & Horton, 72 ; Fantham, 
238 ; Hadley, 311 ; Pam, 620 ; Plimmer, 
656. 
Avian Parasitology. 
Fantham & Porter, 239; Kellogg, 
437. 
Mortality. 
Erskine and others, 234 ; Shufeldt, 
787 ; Wetmore, 888. 
VARIATION AND AETIOLOGY. 
5823 
Variation. 
General — Bangs, 52 ; Mayhoff, 531 ; 
Pearl & Surface, 638 ; Phillips, 647. 
Albinism and other colour-variation 
in — Perdix perdix and Caccabis rufa ; 
O.-Grant, 607 ; Rothschild & O.-Grant, 
718: Anas superciliosa ; Poppelwell, 
666 : Dendrocopos major ; Hildebrandt, 
387 : Dendroeopus medius ; Hagen, 
315 : Molpastes burmannicus ; Baker, 
45 : Merula migraboria ; Craig, 184 ; 
Alauda g. inconspicua ; Hachlow, 308 ; 
Emberiza cioides ; Hachlow, 308 ; Passer 
domesticus ; Craig, 184 ; O’Gara, 601 : 
Corvus cornix ; Hagen, 315. 
Teratology. 
Chidester, 148 ; Johnson, 425 ; Keilin, 
436 | Kirkham & Haggard, 446 ; Perrine, 
643 ; Seth-Smith, 770. 
Hybrids. 
General— Bonhote, 93 ; Ghigi, 280, 
282 ; Phillips, 650 ; Schutz, 757. 
Notices of hybrids — Qennaeus nye- 
themeruB X O. swinhoci ; Seth-Smith, 
769: Lagopm lag opus X L. scotieus ; 
Kikldn, 443 : Anatidae ; Finn, 249 : 
Spatula clypeata X Querquedula sp. ; 
Swarth, 818 : Cacatua galerita x Lie 
metis nasica ; Warren, 879 : Clitoris 
chloris X Carduelis canndbina ; Wither- 
by, 920: Acanthis linaria and A. 
flavirostris x Serinus canarius ; Braun, 
103 : Paradisea ; Menegaux, 542. 
Heredity and Evolution. 
Heredity — Barrows, 61 ; Blakeslee & 
Warner, 88 ; Bonhote, 92, 93 ; Castle, 
136; Cole, 166; Cole & Kirkpatrick, 
167 ; Curtis, 190 ; Ghigi, 281, 282 ; 
Hadley, 310, 312 ; Pearl, 633, 634, 635 ; 
Schutz, 757 ; Tschermak, 862. 
Mendelism — Lloyd-Jones, 481 ; 
Thomas, 843 ; Wilson, 915. 
Evolution — Rothschild, 719. 
Secondary Sexual Characters — Mot- 
tram, 570 ; Pezard, 645. 
Mimicry — Swynnerton, 826. 
Fhylogeny — Beebee, 74 ; Iherring, 
412 ; Lowe, 495. 
Fossil and Extinct Birds. 
General — Bell, 76 ; Campbell, 133 ; 
Mayet et Pissot, 532 ; Munthe, 576 ; 
Shufeldt, 786, 787 ; Young, 926. 
Special forms described — 2Epyornis ; 
Didier, 215 : Hesperornis ; Shufeldt, 
780, 784a : Phalacrocorax ; Shufeldt, 
781 Oallinuloides ; Shufeldt, 785 : 
Morplinns ; Miller, 550 : Ectopistes ; 
Heilman, 353 : Aplianapteryx ; Sclater, 
759 : Raperia ; Mathews, 523. 
GEOGRAPHY. 5827 
PAL^EARCTIC REGION. 
British Islands. 
British Isles : BeU, 76 ; B. O. U. 
Committee, 96 ; Clubb, 162 ; Hartert, 
335 ; Meares, 537 ; Murray, 582 ; Pike, 
654 ; Thorburn, 847. 
British Isles : New British Bird — 
Calandrella brachydactyla longipennis : 
Clarke, 158. 
Hertfordshire : Bickerton, 82. 
Kent : Alexander, 2 ; Parkin and 
Ford-Lindsay, 626. 
Sussex : Butterfield, 121 ; Ford- 
Lindsay, 258, 259; Parkin and Ford- 
Lindsay, 626 ; Ticehurst, 882. 
Oxfordshire : Aplin, 15 ; Attlee, 29. 
Wiltshire: Hony, 394. 
