468 CORRESPONDING SOCIETIES. 



Peacock, A. D. Entomological Section of the Northumberland, Durham, and 



Newcastle Natural History Society. Va.-<c. Feb., pp. 40-41. 



Recent Chapter in Medical Entomology, torn. cit. Oct., pp. 9-17. 



Pearce, E. J. Coleoptera taken in East Suffolk, August 1920. E»t. Mo. Mag. 



Feb., p. 37. 

 Gyrinus uriiiator 111. and G. hicolor Pk., near Cambridge, torn. at. Mar., 



p. 64. 



Haliplidce as vegetarians, torn. cit. Aug., p. 184. 



Pearce, Frank. Enterprising Rooks. Fkld. Apr. 2, p. 4-39. 



Fearsall, W. H., and Mason, F. A. Yorkshire Naturalists at Dent. Nat. 



Aug., pp. 272-281. 

 Pearsall. W. H. .S'ce F. A. Mason. 



Pearson, Douglas H. Gavarnie Notes. Addenda. Ent. Fee. May, pp. 95-96. 

 Peel, Dorothy W. G. Stable Fly, or Biting House Fly. Country Life. Oct. 8, 



p. 461. 

 Perkins, Michael G. L. Coleoptera of Guernsey. Ent. Mo. Macj. Apr., 



pp. 90-91. 

 Perkins, R. C. L. Anchena jacobi n. n. for A. trimmeranu auct., and a new 



Irish Variety of this Species. Ent. Mo. Mag. Feb., pp. 39-40. 



Monstrous form of Salius cxaltatiis, torn, cit., p. 40. 



Variation in British Psithyrus and Remarks on Bomhux fomorum, torn. 



cit. Apr., pp. 82-87. Abs. Natvrc. June 30, pp. 564-505. 

 Petch, T. Presidential Address : 'Fungi Parasitic on Scale Insects.' Trans. 



Brit. Mycol. Soc. for 1920, pp. 18-40. 

 — — Studies in Entomogenous Fungi. I. The Nectriae Parasitic on Scale 



Insects, lorn, cit., pp. 89-132. 

 Peters, J. F. Food of the Water-rail. Brit. Birds. Feb., p. 211; Apr., 



p. 261. 

 Petherbridge, F. R. Observations on the Life-history of the Wheat-bulb Fly 



(Lcptolnjlemyiu coarctata Fall.). Ent. Mo. Mag. Apr., pp. 92-93. 

 Phibbs, G. B. Variations in the Segmental Spines of the Fourth-stage Larva 



of Hypodermu ho vis. Irish Nat. May, pp. 53-57. 

 Phillips, C. W. Snow Geese in Kirkcudbrightshire. Field. Mar. 5, p. 299. 

 Phillips, E. Cambridge. Hawfinches in a Flock. Field. Feb. 26, p. 283. 



Supposed Breeding of the Green Sandpiper in Breconshire, to7n. cit. 



Aug. 20, p. 268. 

 Phillips. R. A. Nests of the Ant Stenamma westtvoodi, discovered in Ireland. 

 Irish Nat. Nov., pp. 125-127. 



Donisthorpea mixta and D. umbrata, two ants new to Ireland, torn. cit. 



Dec, p. 146. 

 Philly, H. Deiopeia piilchcIJa at Eastbourne. Ent. Nov., p. 270. 

 Pierce. \y alter. Butterflies in South Bucks, 1920, torn. cit. Feb., pp. 50-51. 

 — — rhigalia pedaria nionacharla, toin. cit. Apr., p. 101. 



Pachetra Iriicop/i,,a in Bucks, torn. cit. Sept., p. 219. 



Piggott. Graham. Hare taking to salt water. Fie/d. Mar. 12, p. 345. 

 Pike, Oliver G. Great Crested Grebe's Nest Stranded by the Drought. 



Country Life. July 23, p. 113. 



Whinchats at Nesting Time, torn. cit. Aug. 13, pp. 203-205. 



PiLSBRY, Henry Augustus. Pupilliddaj. Manual Conch. Jan., 101, pp. 1-64; 



102 : June, pp. 6.5-128; 103 : Sept., pp. 129-192: Nov., 104, pn. 193-254. 

 [Pitman, C. R. S.] Swallows in December. Brit. Birds. Jan., pp. 190-191. 

 Pitt, Frances. Rat-Breeding Experiment. Country Life. Aug. 13, p. 208. 



Thrush at its Anvil, torn. cit. Sept. 24, pp. 374-375. 



Whiskere'd Bat. Field. May 7, p. 584. 



Black Rat and its Varieties,' torn. cit. Nov. 26, p. 672. 



Notes on the Genetic Behaviour of Certain Characters in the Polecat, 



Ferret, and in Polecat-Ferret HybiiJs. .lourn. Genetics. Sept., pp. 99- 



J. J.O. 



POCOCK, R. I. Otters. Conquest. Sept., pp. 484-486. 



White Variety of the Black Rat. Field. Nov. 19 p 642 



PoPHAM, Maud Leyeourne. Nest [Blackbird] built on a'Hoe. Country Life. 

 Oct. 15, p. 495. " ' 



