INDEX 



263 



Summer of 1911, 251 

 Swans, Migration of Whooper, 55 

 Swans, Mute, Increase in Tiree, 246 

 Sycamores in the Clyde Drainage Area, 

 On the (Curr. Lit.), 191 



Tachyporina, etc., at Nethy Bridge 



(Curr. Lit.), 188 

 Tardigrada, Scottish, A Review of our 



Present Knowledge, 88 

 Tern, Black (Hydrochdidon nigra), 



Turtle-dove ( Tiirtnr communis) 



and Scaup (Fulignla tnarila) in 



Renfrewshire (Curr. Lit.), 188 

 Tern, Black, near Paisley (Curr. Lit.) 



187 

 THOMSON, A. LANDSHOROUGH, 



Heronries in Dee, etc., 7 

 Thrush, Song, Persistency in nesting 



of, 55 



TRAIL, JAMES W. H., M.A., M.D., 

 F.R.S., F.L.S., Poapalitstris near 

 Aberdeen, 120 ; Man's Influence 

 on the Indigenous Flora of Aber- 

 deen, 175, 232; Utricularia ochro- 

 leuca, R. Hartm., and Eriophornin 

 paniculatum, Druce, in the valley 

 of the Dee, in South Aberdeen- 

 shire (92), 249 ; The Summer of 

 1911, 251 



Tree- Diseases due to Fungi, Additional 

 Scottish Records in 1910-11, 240 



Tree-Pipit (Ant hits trivialis), Local 

 Variation in Song, 245 



TULLOCH, JOHN S., Siberian Chiff- 

 chaff and Holboell's Redpoll in 

 Shetland, 115; Crossbills at 

 Lerwick, 245 



Unio simiatus, Lam., On the Occur- 

 rence of, in the British Isles (Curr. 

 Lit.), 123 



Utricularia, Notes on the British 

 Species of (Curr. Lit.), 125 



Utricularia ochrolcitca, in valley of 

 Dee, South Aberdeenshire, 249 



Valeriana tiioica, L., in the Outer 



Hebrides, 186 

 Vanessa cardui in N. Mavine, Shetland 



(Curr. Lit.), 254 

 Vermin List, An Old-time, no 

 Vermin List, An Old-time, a Correction, 



181 



Vicia orobus, DC., 104 

 Vicia sylvatica, L., var. condensata, 



Druce, I2O (Curr. Lit.), 255 



Viola Cnrtissi (Curr. Lit.), 255 

 Vitrearadiatida (Alder) in Dumbarton- 



shire (Curr. Lit.), 123 

 Vole, Orkney, Melanic Variety of the, 



Warbler, Blyth's Reed (Acrocephahis 

 dumetorum] at Fair Isle : Addition 

 to British Avifauna, 70 

 Warbler, Continental form of Willow, 

 and Great Spotted Woodpecker on 

 Isle of May, 116 



Warbler, Grasshopper (Locustella 

 nccvia}, Supposed Occurrence of, 

 in "Dee," 116 



Warbler, Icterine, in Shetland, 183 

 Warbler, Temminck's Grasshopper, On 



the Occurrence of, in Orkney, 71 

 Warbler, Wood-, Albino, in Dumfries- 



shire, 55 



WATT, HUGH BOYD, M.B.O.U., 

 Scottish Heronries and a Census 

 of Herons, 72 



Waxwing in HMdingtonshire, 54 

 Waxwings and Bramblings in Berwick- 



shire (Curr. Lit.), 58 

 Weasel, Albino, near Loch Awe, 112 

 Whaling in Shetland, 1910, in 

 Wheatear, The Greater, in Clyde, 116 

 WHELDON, HAROLD J., Some Argyll 



and Perthshire Fungi, 34 

 Whimbrels, Nesting in Sutherland, liS 

 Wigeon Breeding at Loch Leven : a 



Correction, 117 

 Wigeon Breeding in Roxburghshire, 



117 



Wigeon, Capture of Marked, 118 

 Wigeon, Nesting in Forth, 55 

 Wigeon, Nesting on Loch Awe, 183 

 Willow -wrens of a Lothian Wood 

 (Curr. Lit.), 59 ; Nest in old Song- 

 thrush's Nest, 245 



Winter Visitors to Wigtownshire, 113 

 Woodpecker, Continental Great 



Spotted, in Aberdeenshire, 183 

 Woodpecker, Great Spotted, and 

 Willow-warbler, Continental form 

 on Isle of May, 116 

 Woodpecker, Great Spotted (Dendro- 

 copits major], in Lanarkshire 

 (Curr. Lit.), 188 



Woodpecker, Great Spotted, in Solway 

 Area, 116 



YERBURY, Col. J. W., Northern 

 Records of Diptera, 185 



END OF VOL. XX. 



Printed by R. & R. CLARK, LIMITED, Edinburgh. 



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