CONTENTS. 



Articles:— 



The Relation of the Oystercatcher to its Natural Environment, J. M. Dewar, 



M.D., 281. 

 Notes on the Eggs and Larvae of a Sea-Bullhead (Cottus bubalis), H. N. 



Milligan, F.Z.S., 292. 

 Notes on the Tree-Sparrow in Donegal, Rev. J. M. McWilliam, 297. 

 A Diary of Ornithological Observation made in Iceland during June and July, 



1912 (continued), Edmund Selous, 303. 

 A Catalogue of the Land and Freshwater Mollusca of Sussex (continued) (with 



Plate), E. W. Swanton,- 308. 

 Notes and Queries:— 

 Mammalia. — Natterer's Bat in Staffordshire; Albinism in the Serotine Bat, 



John R. B. Masefield, 315. Colour Discrimination in Dog ; Dog separating 



Combatants; Vegetarian Appetite in Cat, (Miss) R. Holloway, 316. 

 Aves.— Singular Nest of Willow- Wren, W. Warde Fowler, 316. Notes on the 



Laying of the Cuckoo and the Removal of Eggs of Foster-Parent, J. Steele 



Elliott, 316. Calling of the Cuckoo in July, J. Steele Elliott, 318. 



Buff-backed Heron in Somerset, Stanley Lewis, 318. Notes on Nest- 



boxes, Julian G. Tuck, 318. Migration of Swifts, J. Steele Elliott, 319. 

 Pisces. — Four-bearded Rockling in the Colne, Henry Laver, 319. Behaviour 



of a Captive Rockling, H. N. Milligan, 319. 

 Crustacea.— The Resting-place of a Velvet Crab, H. N. Milligan, 320. 

 Insecta.— Hornet's Nest in the Ground, Julian G. Tuck, 320. 



THE ENTOMOLOGIST 



A JOURNAL OF GENERAL ENTOMOLOGY. Monthly 6d. ; Postage Id. 



EDITED BY EICHAED SOUTH, F.E.S. 

 Assisted by Messrs. Adkin, Rowland-Brown, Distant, Frohawk, Gahan, Lucas, 

 Claude Morley, and Sharp. Frequent Woodcuts and occasional Plates. 

 Subscription for one year, including postage to any part of the world and all 

 double numbers, 6s. 



THE 'ENTOMOLOGIST' SYNONYMIC LIST OF BRITISH LEPIDOPTERA, 



By RICHARD SOUTH, F.E.S. 



Demy 8vo. For Eeference only, 6d., postage Id. ; in duplicate (printed 

 on one side only for Labels, and on both sides for Eeference), 2s., postage 2d. 



The Exchange List (containing the whole of the British Lepido- 

 ptera complete on a single sheet of note-paper), Id., post free L^d. ; one 

 penny is sufficient postage for any number of copies. 



Alphabetical List of Changes from Doubleday's Nomenclature 

 made in the above List, 6d., postage Id. 



KS 3 ' Contributors will kindly note that the Editor of 

 the ' ZOOLOGIST ' is MR. FRANK FINN, 23, 

 CHALCOT CRESCENT, PRIMROSE HILL, N.W. 

 All Articles and Communications intended for publication, 

 and Books and Pamphlets for review, should be addressed 

 to the Editor ; or to the * Zoologist/ c/o West, Newman & 

 Co., 54, Hatton Garden, London. 



The SUBSCRIPTION to the 'ZOOLOGIST' is 12s. 

 post free. Cases for binding 1914 volume can be had for 

 Is. 8d. post free from the Publishers, who will also undertake 

 the binding of volumes at 2s. 6d. each post free on return. 

 London: WEST, NEWMAN & CO., 54, Hatton Garden, E.C. 



