INDEX 



Adaptability of Stoat, 5, 68 

 Animals, naturalisation of, 97 

 Annandale, Dr N., Land and Fresh- 

 water Molluscs of some Islands 

 of Inner Hebrides, 19 

 Aphides from Sutherland, 51, 85 

 Arran, breeding of " Painted Lady," 27 

 Ayrshire, Ray's Wagtail in, 93 



B 



Bartholomew, J., Adaptability of 



Stoat, 68 

 Baxter, E. V., and Rintoul, L. J., 



see Rintoul, L. J., etc. 

 Beetles, Additions to Clyde Coleoptera, 

 155 

 Haliplus zmmaculaius in Forth Area, 



93 

 Phyllodrepoidea crenaia, spread of, 28 

 Rkyjickites harwoodi in W. Perth, 28 

 Begg, Wm., Increase and Decrease of 



Birds in Ross of Mull, 60 

 Berry, Wm., Rarity of Bean Goose 



on East Coast, 59 

 Berwickshire, Common Bittern in, 49 



Convolvulus Hawk Moth in, 190 

 Beveridge, G., Leach's Petrels at 

 N. Uist, 8 ; Greenland Falcon in 

 N. Uist, 94 

 Bird-catching, i 



a Scottish Method, 13 

 Bird-lice, on Fulmar, 27 



of Grouse, loi 

 Birds, Breeding-range, extension of, 73 

 Females assuming male plumage, 31 

 Foot-and-mouth Disease and, 35 

 Highlands, notes from, loo 

 Increase and Decrease (1921), 74 

 Migration in 1921, 69, 109 

 Migration of Waxwings in 1921, 133, 



193 

 Movements of species in 1921, no 

 Nesting of (1921), 26 

 New to Scotland (1921), 71 

 Plumage abnormal, 8r 

 Ringing returns (1921), 81 



Birds, Summer (1921), 76 



Uncommon Visitors to Scotland 



(1921), 71 

 Varying Status in Mull, 60 

 Winter (1921), 80 



Bittern, Common, in Berwickshire, 49 

 A Coincidence, 50 

 in Perthshire, 32 



Blackcap in Peeblesshire, 43 



Black Game, bird-lice of, loi 



Blackwood, G. G., Status of Garden- 

 Warbler and Blackcap in Peebles- 

 shire, 43 ; Greenland Falcon in 

 Forfarshire, 49 ; Ray's Wagtail 

 in Ayrshire, 94 



Book Notices : Life of Alfred Newton, 

 A. F. R. Wollaston, 29 ; Insect 

 Transformations, G. H. Carpenter, 

 30 ; Sport in Wildest Britain, H. 

 Hesketh Prichard, 61 ; The Direc- 

 tion of Human Evolution, E. G. 

 Conklin, 6[ ; Manual of British 

 Botany, C. C. Babington, loth 

 ed., A. J. Wilmott, 104 ; The 

 Naturalisation of Animals and 

 Plants in New Zealand, Hon. G. 

 M. Thomson, 97 ; The Biology of 

 the Sea-Shore, F. W. Flattely and 

 C. L. Walton, 129 ; Some Scottish 

 Breeding Duck, Evelyn V. Baxter 

 and Leonora Jeffrey Rintoul, 130 ; 

 A Naturalist in the Great Lakes 

 Region, Elliot Rowland Downing, 



165 ; The Edge of the Jungle, 

 William Beebe, 166 ; Robin in 

 Khaki, a Book of Birdeens, Isa 

 J. Postgate, 166 ; Osmics, the 

 Science of Smell, J. H. Kenneth, 



166 ; The Minds and Manners of 

 Wild Animals, Dr W. T. Horna- 

 day, 201 ; Memories of the Months, 

 Seventh Series, Sir Herbert Max- 

 well, 202 



Bos primigenius in Peeblesshire, 68 

 Breeding Dates of Wild Ducks in 



Scotland, 15 

 Bruce, Dr W. S., Memorial to, 99 

 Bunting, Ortolan, in Ross-shire, 165 



