INDEX 
A 
Acidota, see under Beetles 
Anopheles, see under Diptera 
Ant, Formica fusca, in E. Sutherland, 
61 
Arran, Hemiptera from, 159 
B 
BAXTER, E. V., I 
BAXTER, E. V., and RINTOUL, L. J., 
Pintail as a Scottish Breeding 
Species, 37 ; Tree-creepers on Isle 
of May, 75; Report on Scottish 
Ornithology in 1920, including 
Migration, 105, 135 
BEARE, T. HUDSON, Breeding of Red 
Admiral Butterfly in Scotland, 
76 
Beetles, Aczdota cruentata and A. 
crenata in Clyde Area, 48 
Bark-, Records in Scotland, 87 
Ceuthorrynchus erysimtiv, chlor opterus, 
near Glasgow, 162 
Clyde Area Additions, 25, 47 
Cryptohypnus riparius, as a Possible 
Agricultural Pest, 181 
Eudectus whitet at Rannoch, 186 
in Scottish Forests, 43 
Osier, Leptidea brevipennis, introduced 
to Scotland, 103 
Phalacrus substriatus at Nethy Bridge, 
186 
Phyllodrepoidea crenata, spread in 
Scotland, 99 
Sitona, Distribution in N. of Scotland, 
178 
Sitona lineellus in W. Arran, 94 
BEVERIDGE, G., Ravens in N. Uist, 
10; Greenland Falcon and Pink- 
footed Geese in N. Uist, 158 
191 
Bird-Associations in Scotland, I1, 49 
Census, Need for, 22 
Birds, Changes in Numbers, 110 
Extension of Breeding Range (1920), 
109 
H. S. Gladstone’s Value of, 131 
in the Garden, 7I 
in a Storm, 67 
Migrants, Uncommon (1920), 107 
Migration (1920), 119, 135, 136 
New to Faunal Areas (1920), 107 
New to Scotland, 179 
Plumage, Unusual (1920), 117 
Protection of Wild, 97 
Ringing Returns (1920), 116 
Bittern, in Berwickshire, 132 
Bluethroat, Lapland, at Fair Isle, 76 
BoAsE, H., Common Scoter in Perth- 
shire, 104 
BOLAM, G., Small Birds in the Garden, 
71 
Book Notices: Types and Breeds of 
Farm Animals, C. S. Plumb, 29 ; 
Territory in Bird Life, H. E. 
Howard, 29; Key to the Orders of 
Insects, F. Balfour-Browne, 30; 
Field Observations on British 
Birds, F. M. Ogilvie, 62; Kin- 
cardineshire, G. H. Kinnear, 62; 
The Resources of the Sea, W. C. 
M‘Intosh, 93 ; Growth and Shed- 
ding of the Antler of the Deer, 
W. MacEwen, 93; Early Annals 
of Ornithology, J. H. Gurney, 94 ; 
A History of the Whale Fisheries, 
J. T. Jenkins, 187; Animal Life 
of the British Isles, E. Step, 
187; Shooting Trips in Europe 
and Algeria, H. P. Highton, 
188 ; Symbiosis: A Socio-Physio- 
logical Study of Evolution, H. 
Reinheimer, 188 
