LIST OF PAPERS, 1920. 525 
Peck, A. E. White Variety of the Great Black Slug (Arion ater), tom. cit., p. 240. 
—— Fringe-lipped Lamprey or Planer’s Lamprey in the Derwent, Joc. cit. 
— The Adder or Viper in Yorkshire, tom. cit. Aug., pp. 267-268. 
—— Charles Herman Broadhead. Obituary. Nat. Oct., p. 323. 
Prep, Jas. Sryophila muralis in Cornwall. Ent. Oct., p. 235. 
[PenRosE], F. G. Entomological Section. [Report.] Proc. Bournemouth Nat. 
Set. Soc. Vol. X., pp. 52-53. 
— Report on the Prevalence of Anopheles in the Bournemouth Area, tom. 
cit., pp. 53-54. 
Pentiand, G. H. Unusual Capture of a Seal. Zrish Nat. Aug., pp. 79-80. 
— Pine Marten in Co. Louth, tom. cit., p. 80. 
— Pine Marten in Ireland, tom. cit. Nov., p. 124. 
Perkins, R. C. L. Note on Hpeolus and Colletes (Hymenoptera). Hunt. Mo. 
Mag., Aug., pp. 184-5. 
Peters, J. I. Food of the Peregrine Falcon. Brit. Birds. Dee., p. 158. 
PeTtiGREW, R. Manchester Microscopical Society. [Report.] Lane. & C. 
Nat. Jan., pp. 198-199. 
Pickarp-Campripcr, A. W. Lepidoptera in the Highlands. Hnt. Jan., p. 21. 
Pierce, WatteR. Agriades corydon in Bucks. Ent. Dec., p. 283. 
— Chryophanus phleas, ab. ceruleopunctata, tom. cit., p. 285. 
—— Notes on Lepidoptera from Bucks, tom. cit. Aug., p. 188. 
— Colas edusa in Bucks, tom. cit. Nov., p. 259. 
Pierson, L. G. Ornithological List. Rep. Marlborough Coll. N. Hist. Soc. 
No. 68, pp. 17-20. 
Pike, Otiver G. Grasshopper Warbler. Country Life. June 5, pp. 768-769. 
Pirt, Frances. The Flower and the Fly. Country Life. Jan. 10, p. 60. 
— Notes on the Inheritance of Colour and markings on Pedigree Hereford 
Cattle. Journ. Genetics. Feb., pp. 281-302. 
Pocock, R. I. On the External and Cranial Characters of the European 
Badger (Meles) and of the American Badger (Z'axidea). Proc. Zool. 
Soc. Sept., pp. 423-436. 
—— Animals of Interest. [Wild Cat.] Conquest. May, pp. 335-337. [The 
Common Garden Spider.] Dec., pp. 83-86. 
— Common Animals of the Seashore, tom. cit. Aug., pp. 455-460. 
Pore, Ernest B. Woodcock in Berkshire. Country Life. July 3, p. 25. 
Porritt, G. T. In Memoriam. Lord Walsingham. Nat. Jan., pp. 32-34. 
— Neuroptera Report, tom. cit., p. 43. 
— Abraxas grossulariata, tom. cit. Apr., pp. 117-118. 
— Curious Emergence of Cucillia verbasci, tom. cit. July, pp. 239-240. 
— Neuroptera and Trichoptera at Doncaster, tom. cit. Aug., p. 261. 
— A. atropos at Meltham, Huddersfield, tom. cit. Nov., p. 356. 
— The Lancashire Coast form of Hypermecia cruciana. Ent. Mo. Mag. 
‘Sept., p. 212. 
— Nonagria arundineta, Schmidt, in Yorkshire, tom. cit. Oct., p. 232. 
— The Winter Moths. Hnt. Apr., pp. 92-93; May, p. 117. 
— See B. Morley. 
— See E. P. Butterfield. 
— See W. H. St. Quintin. 
Portat, M. Black-winged Stilt in Wigtownshire. Brit. Birds. Dee., p. 164. 
— American Wigeon in Stirlingshire and Fifeshire, tom. cit. May, p. 316. 
Postans, A. T. Colias edusa in South Hampshire. nt. Sept., p. 209. 
— Zygena hippocrepidis in South Hampshire, tom. cit., p. 212. 
— 4Heliothes petigera, etc., in South Hampshire, tom. cit., p. 236. 
Poutton, Epwarp B. Heredity and Acquired Characters. Nature. Dec. 23, 
. 532. 
ey Henry. Geology. Sub-fossil Shells in the Witham Valley. 7'rans. 
Lincs. Nat. Union, 1919, pp. 41-42. 
— A Biological Puzzle, statoblasts or aphiphia, tom. cit., p. 191. 
Princ, C. J. [and], Jourparn, F. C. R. Sedge-warbler Breeding at Unusual 
Height. rit. Birds. Nov., pp. 182-133. 
PRINGLE, A. Woodcock carrying Young. Shooting Times. June 5, p. 15. 
