329 



INDEX 



page 

 1 02 

 285 

 285 

 61 

 121 

 234 

 307 

 273 



Acanthlmda acitleata new to Banff. 



— hai-pa in Sweden 



— la?)iellata var. albida nov. 

 Accounts for 19 1 8 



— 1919 



— 1920 



— 1921 

 Acicula lineata new to Somerset S 

 Adams, L. E., Colony of Limax 



jlavus var. tigrina at Keigate 



— Li max Jlavus var. vh-escens at 

 Reigate 



Address, Changes of ... 134,246 



Agrioliinax lavis new to Northants loi 



Wilts South 



Aldenham, Freshwater Mollusca of 

 Alkins, W. E., Li/?mcm glabra at 

 Caldon Low 



— Notes on the Growth and \^ari- 

 ation of Unio pidorum 



— Scalariform Planorbis carinatus 



— Zonitoides nitidus var. viri- 

 descens in North Staffs. 



— Two Molluscan Associations in 

 North-East Staffs 



Alopia cyclostoma Bz., A. canescens 

 Chp. and A. deaniana n. sp., 

 Anatomy of Hypsobia nosophora 



— Piiludestrina stagnalis 

 Ancilla eiroruni sp. n. 

 Annual Meeting 26, 66, 

 Antimitra (?) hewitti sp. n. 



Ants and Mollusca 



Avion ater var. salmolateralis nov. 



— circumscriptus new to Caithness 

 Denbigh 



— interfiiedius new to Hunts. 

 ■ Shropshire 



— siibfuscus new to Caithness ... 



— — — Denbigh 

 Hunts. 



252 

 296 



lOI 



126 



23 



228 

 52 



52 

 291 



302 



264 



96 



216 



S, i6o, 270 

 - 156 



127 



9 

 102 



lOI 

 lOI 

 lOI 



102 



lOI 

 lOI 



page 

 Ashfordia granulata new to Wor- 

 cester 273 



Association of //. nemoralis and 



H. Jiortensis ... 78, 264, 291, 313 

 — Balea perversa and Clausilia 



bidentata ... ... ... 296 



Audruicq, Land and Freshwater 



Mollusca of 106 



Azeca tridens , QQm\.?iX\2i oi ... 53 

 New to Perth South ... 274 



Bacchus, D., B. aspersa var. exal- 

 bida at Westbury-on-Trym ... 



— L. and F. W. Mollusca of 

 Winsley 



— Milax gagates in Gloucester 

 West 



— P. jenkinsi in Somerset North 



— Peculiar form of H. fusca from 

 Leigh Woods, near Bristol ... 



— Polita rogersi in Somerset North 



— P. rotundata v. alba at Bris- 

 linglon 



Banffshire, New Record 



Beeston, H., Field Notes on H. 

 obvoluta ... ... 3 



— Non-Marine Mollusca of Llan- 

 dudno and District ... 128 



Belcher, T. E., Three Cephalopods 

 New to Dorset 



— Crepidula fornicata L. in 

 Dorset ... 



Belgian Congo, Collection of Mol- 

 lusca from the ... 



Berks., New Records ... 214, 



Bilharzia^s 



Bithyiiia tentaatlata new to Den- 

 bigh 



Bombay, New Galeomma from ... 



Boycott, A. E., Genitalia oi Azeca 

 tridens and Cochlicopa lubrica 



246 

 320 



262 



2S6 

 235 



155 



102 



i> 44 



, 138 



312 



312 



265 

 273 

 264 



273 

 156 



53 



