CONTENTS 



PA(!E 



Aberdeen University Bird-Migration Inquiry : Second Interim 

 Report (19 12-14) {continued). — A. Landsborough Thomson, 

 M.A., B.Sc, M.B.O.U. . ... . -313 



Some Observations and Deductions regarding the Habits and 



Biology of the Common Wasp. — -James Ritchie, M.A., D.Sc. 318 



On the Isopoda of the Family Idoteidse occurring in St Andrews 



Bay. — Walter Colli?ige, M.Sc, F.L.S. . . . 331 



-Notes . . ... . . . .333 



Otter (Lutra vulgaris) at Barrahead Lighthouse— Margaret E. 

 Mouatj Corn-crake at St Kilda — IV. Eagle Clarke; The 

 Down-lining of Ducks' Nestg — Annie C. Jackson; Black- 

 headed Gull (Larus ridibundus) Breeding while still in 

 Immature Plumage — Evelyn V. Baxter and Leonora Jeffrey 

 Ritttoul; Spring Moult of Gulls — William Evans ; Death's- 

 head Hawk -moth at Skerryvore Lighthouse — fFzy/zaw 

 Evans ; Scottish Records of MoUusca ; Additions to the 

 Land and Fresh-water Mollusca of Wigtownshire ; Vitrina 

 pellucida adhering to Feathers of a Bird, and other Records 

 of Land-shells at Butt of Lewis — William Evans ; Two 

 Additions to the List of " Forth " Nemertinea — William 

 Evans. 



SPECIAL ANNOUNCEMENT 



A few Complete Sets of "The Annals of Scottish 

 Natural History," from its Commencement in 1892 to 

 1911, in all Twenty Volumes, handsomely bound in 

 cloth, gilt top, are still available, at the reduced 

 price of £4, 4s. net. 

 Many of the Back Numbers can still be^supplied. 



PRINTBD BV OLIVER AND BOVD, EUINBaaOHi 



