INDEX TO VOLUME XXIII. Abridge and Theydon Garnon, ramble, 94. Agriotypus armatus exhibited, 29. Albinistic Partridge exhibited, 32. Alisma plantago seedlings exhibited, 39. Alpine Swift at Dovercourt, 87. A Millepede's Tent, 203. Atkins, Miss W. M., B.Sc., elected a member, 31. Avery, J., exhibits water-colour sketches and prints of Essex topography, 39, 138. 142. 145, 149, 260, 265, 268, 271 ; exhibits Benjamin Allen's "Commonplace Book," second vol., 138 ; exhibits Smith's Map of Essex (1804), 268 ; exhibits the Town's Book of Finching- field, 271. Azolla filiculoides exhibited, 29. Badger, flashlight photograph of, exhibited, 145. Barkingside, Viking Pottery at, 59. Barling, visit to, 227 ; windmill at, described, 2 2 8. Barn Owl from Stratford ex- hibited, 32. Barns, S. J., describes Chingford Old and New Churches, 36 ; his- torical account of Valence House, Dagenham, 146. Beetle, a new Essex, 274. Bestow, C, exhibits Melicerta ringens, 29. Bewick's Swan in Essex, 150. Billericay, visit to, 222. Biological Problems as illustrated by the Entomostraca, by D. J. Scourfield, 2. Bird-life near Gilwell Park. 67. Birds, Heterochrosis in Essex, 171. Birds of Essex, various notes on the, by W. E. Glegg, 18. Birds, rare Essex, exhibited, 39 ; list of, purchased for Museum, 60. Bittern at Lamarsh, 170. Black Notley, visit of Linnean Club, 1. Black-throated Diver at Waltham- stow, 137. Botanical Study and History, 231. Botanical Study, History in, 101. Bridger, W., Faraday and his Influence on our Everyday Life, 206. British Association Meeting—dele- gate's report, 1930, 98 ; ditto, 1931, 216. British Museum—Club's visit to Botany Department, 33 ; to Entomological Department, 144. British Snake-flies (Raphidia), 82. Butcher, F. E., elected a member, 260. Buttsbury, visit to, 222. Buxton, Major A., elected a mem- ber, 271. Buzzards in Essex, 273. Buzzard, pellets of, exhibited, 39. Cardboard pecked by Tits, ex- hibited, 142. Carteria exhibited, 143. Chingford Churches described by S. J. Barns, 36, 38. Chingford, visit to, 35. Chrysopyxis stenostoma at Wood- ford, 274. Clark, A. L., elected a member, 39. Claytonia perfoliata at Little Bad- dow, 150. Cohen, Miss M., elected a member, Coles, R., B.A., elected a member, 264. Collembola, and Thysanura of Epping Forest, 116, Collembola, new, in Epping Forest, 137. Colvin, Brig.-General R. B., elected a member, 39. Conifers and their Distribution, 249. Council, Reports of the, 40, 136, 256. Crocus species, talk on, 149. Crouch, C. H., conducts visit to Woodford, 268. Cryptogamic Forays, 29, 140, 261. Dagenham, visit to Valence House, 146.