v.
Red Snow, 5, 58.
Regional Survey of Hatfield Broad-
oak, 187.
Rhaxella chert at Great Parndon,
297.
Ringed Plover nesting inland in
Essex, 266.
River development in Essex, 244.
Rochford and district, visit to, 210.
Saffron Walden and district, visit
to, 207 ; sunken trackways near,
237.
Saner, Miss B. R., River develop-
ment in Essex, 244.
Scarlet hopper, nymphs of, exhibited
65.
Scourfield, D. J., Field Pheno-
mena due to microscopic organ-
isms, 5 ; exhibits Red Snow, 58 ;
sulphur bacterium, 58 ; Fossil
Crustacean from old red sand-
stone, 64 ; presents Proceedings
of Zoological Society, 66; A
plea for systematic attention to
Aquatic Biology in field club
work, 139 ; exhibits alga agglu-
tinated sand grains, 173 ; ex-
hibits unrecorded volvox, 172 ;
Sand grains agglutinated by small
algae, 184 ; Water surface plants
and animals and surface tension,
217; Masses of Alga on Eagle
Pond, 267; Purple Sulphur
Bacteria in masses on floating
leaves, 267.
Skua, Great, exhibited, 255.
Snails, water, effect of overcrowding
on growth of, 48.
Solitary bees and wasps of Essex.
58, 81.
Stambridge, Great, church visited,
216.
Stifford, visit to, 206.
South London Botanical Institute,
visit to, 60.
Sulphur bacterium exhibited, 58.
Sunken trackways near Saffron
Walden, 237.
Swallow-tailed Kite exhibited, 59.
Syms, Edgar E., Biological Notes
on Dragon-flies, 292.
Teasel, seedling leaves of, exhibited,
173.
Terrapin frozen in tank, 216.
Thames Valley, birds of, 154.
Thompson,. Percy, Miller Christy,
an obituary, 110; exhibits plants
from Bernese Oberland, 173 ;
Short History of Essex Field
Club, 269; Rhaxella Chert at
Great Parndon, 297.
Track-ways, Sunken, near Saffron
Walden, 237.
Turner, F. M., Effect of over-
crowding on growth of water
snails, 48 ; Algerian wild plants
presented by, 63; Swiss wild
plants presented by, 178.
Volvox, Unrecorded form from
Eagle Pond, 172.
Wanstead, visit to, 203.
Warren, S. Hazzledine, Report
on excavations in Loughton Camp
117.
Water Snails, effect of overcrowding
on the growth of, 48.
Water surface plants and animals
and surface tension, 217.
Weeley barracks, well at, 268.
Well sections and borings, 68.
Wendens Ambo, visit to, 97.
Wood, J. Mackworth, presents
pine marten, 176 ; presents tawny
owl, 178.
Wooldridge, S. W., Pliocene
period in Western Essex, 59;
River development in Essex, 244.
Zoological Gardens, visit to, 64.