LIST OF PAPERS, 1921. ^^'^ 



Friend, Hilderic. Why do Worms Die? Nature. Apr. 7, p. 172. 

 Froh.\\vk, F. W. Pine Marten in Britain. Country Life. Mar. 12, pp. 314-315. 



Pine Marten in Wales, toni. cit. Apr. 16, p. 475. 



Sexual Variation of Plumage in Birds, toiii. cif. June 25, p. 806. 



Cluster Fly, torn. cit. Sept. 24, p. 396. 



Otter, torn. lit. Oct. 15, p. 494. 



On the Appearance of Anosia plvxipinis in Britain, tut. June, pp. 14d, 



146. 



Retarded Development of Cu-noiii/mplni ttphoii, torn, cif., p. 147. 



. Early Appearance of Oclastrina anjiohis and Pieri.'i brd^^nc.'V, torn, at., 



pp. 147-148. 



Picris ruiHC Gynaiidrnus ab., torn. cit. Sept., p. 201. 



Second Brood oi Nisionimics (T/tanou.-<) tufjcs, torn, cit., p. 218. 



Colius Ill/ale and Pyramcis cardui in Essex, torn. cit. Oct., pp. 241-242. 



Chry.-iophanm p/il(:ca.<, var. alhn, in Sussex, torn. cit. Nov., p. 268. 



S(i/i/rus vieijura Tieble-brooded, torn, cit., pp. 294-295. 



Obituary : Albert Bridges Farn, torn, cit., pp. 303-304. 



Effect of Sudden Cold on tlie Movements of Birds. Field. Jan 8, p. 49. 



Honey Buzzard, torn. cit. Jan. 29, p. 126. 



Singular Accident to a Eook, torn. cit. Fel). 19, p. 248. 



Early Appearance of Spring Butterflies, torn. cit. Apr. 16, p. 498 



Black-veined Brown in Britain, torn. cit. May 21, p. 057. 



Pied Variety of the Jackdaw, torn. cit. June 4, p. 710. 



Varieties of the Magpie, torn. cit. June 11, p. 749. 



Food of the Black-headed Gull. torn. cit. June 18, p. 775. 



• Sudden Scarcity of the Holly Blue, torn. cit. July 2, p. 33. 



White Admiral Butterfly in Kent, torn. cit. Aug. 13, p. 232. 



Pied Variety of the Water Shrew, torn. cit. Sept. 3, p. 329. 



Camberwell Beautv in Dorset, torn. cif. Nov. 5, p. 602. 



Pied Variety of Field Vole, torn. cit. Dec. 3, p. 724. 



[Frost, M.] Tusk of Mammoth, dredged up at Worthing. S.E. Union of Set. 



Soc. Bulletin. No. XXXIII., pp. 3-4. 

 Fryer, 'F. H. .^ee J. C. Fryer. 



Fryer, J. C. and F. H. Platypfilia rhododuciyhis, F. Ent. Sept., p. 220. 

 Fulton, H. C. Obituary. George Brettingham Sowerby. Journ. Conch. ^c\)i., 



pp. 213-214. 

 Furse, J. P. W. See T. Leslie Smith. 

 Fysher, Greevz. Mollusca [at York]. Nat. Nov., p. 377. 



— — and Taylor, John W. :Mollusca [at Dent], torn. cit. Aug., 



p. 280. 

 Gagebrook. Badger Cubs. Field. Mar. 5, p. 299. 

 Gaiian, C. J. OpJiion hitcii-s. Nature. Nov. 24, p. 403. 

 Gandy, Henry G. Wasps affected by Heat- Field. July 30, p. 106. 

 Gardiner, J. Stanley. Science and Fisheries. Nature. Jan. 13, pp. 628-629. 

 ■ Address to the Zoological Section. Where do we Stand? Pep. Brit. 



Assoc, 1920, pp. 87-97. 

 Gardner, J. Harvest Mouse and Noctule(?) Vase. :May, p. 91. 



The Dormouse, torn, cit., pp. 91-92. 



Garnett. R. y\. Wood-Sandpiper and Buff in C'iieshire in June. Brit. Birds. 



Oct., pp. 117-118. 

 Gatenby, J. Bronte. Function of the Nucleolus in the Life of the Animal 



Cell. Sci. Prog. Jan., pp. 480-482. 

 Gates, R. Rtjggles. Mutations and Evolution. New P/iyf. Nov., pp. 213- 



253. 

 Gatty, R. Pararf/c megarn, etc. Ent. Dec, p. 293. 

 Gaye, W. Little Owl in Dorsetshire. Field. Oct. 22, p. 549. 

 GiEFORD, J. W. Bee-sting and Eyesight. Nature. Nov. 17, p. 370. 

 Gill, E. Leonard. Probable Red-footed Falcon in Northumberland. Brit. 



Bird.-i. June, pp. 19-20. 



Report on Museum Work 1915-1919. Nat. Hist. Trairi.. NorlliuinOerlund, 



Durham, and Newcastle. Vol. V. Pt. II., pp. vi-viii j xxii-xxvi ; 

 xxxix-xlv ; Ivi-lx. 



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