CONTENTS 



PAGE 



The Great Waxwing Invasion of 192 1 {Illusb'ated) — James 



Ritchie, M.A., D.Sc, F.R.S.E. . . . .133 



Breeding Stations of the Black-headed GuU in Dumbartonshire 



--—Alexander Cuthbertson . . . . .143 



Some Insect Records from the Edinburgh District in 1921 — 



Wiliiajn Evans, F.R.S.E. . . . . .147 



Notes on the Poplar Saw- Fly {^Trichiocampus viminalis), {Illus- 

 trated) — -Ronald C. Fisher, B.Sc. . . . .151 



Additions to the List of Clyde Coleoptera (Third Series) — 



Anderson Fergusson, F.E.S. . . . -155 



Notes: 



On the Dark Phase of the Young, of the Starling — 

 J. H. Stetthouse, 145 ; Nesting of Slavonian Grebe in 

 Scotland — R. M. Watson, 146 ; Curlew Sandpiper and 

 Ortolan Bunting in Ross-shire — A. C. and R. Meinertz- 

 hagen, 165; Buzzards, Ravens, etc., in Perthshire, 165. 



Book Notices ....... 165 



Notes from the Scottish Zoological Park . . . 167 



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