vi.
LIST OF PLATES AND ILLUSTRATIONS.
Plate I. (Frontispiece). Methoca
ichneumonides, facing p. 1.
Plate II. Little Tern settling on
Eggs, Colne Valley, Essex, 1926.
Common Tern on Nest, Colne
Valley, Essex, 1926, facing p. 30.
Plate III. Photographs of Water
Snails (Limnaeas) in Aquaria,
facing p. 48.
Plate IV. Photographs of Lim-
naeas, facing p. 51.
Plate V. A Remarkable Gall on the
Osier, facing p. 69.
Plate VI. A Remarkable Gall on
the Osier, facing p. 72.
Plate VII. Inscriptions at Clay-
hall Farm, Barkingside, facing
p. 104.
Plate VIII. Miller Christy,
F.L.S., 1861-1928, facing p. 110.
Plate IX. Plan of Loughton Camp,
facing p. 117.
Section (XVI.) across the Rampart
of Loughton Camp, p. 124.
Section (XIX.) across the Inner
Bank in Loughton Camp, p. 126.
Plate X. Flint Implements from
Loughton Camp, facing p. 129.
Plate XI. Flint Implements from
Loughton Camp, facing p. 131.
Plate XII. Flint Implements from
Loughton Camp, facing p. 132.
Plate XIII. Flint Implements
from Loughton Camp and from
the Pillow Mounds at Highbeach,
facing p. 134.
Reconstruction of Bowl from Lough-
ton Camp, p. 137.
Fragments of High-shouldered Pot
from Pillow Mound, High Beach,
p. 138.
Plate XIV. Ringed Plover ap-
proaching Nest, Essex Coast,
June, 1927. Ringed Plover on
Nest, Essex Coast, June, 1927,
facing p. 162.
Plate XV. Priapulus caudatus,
facing p. 181.
Sand-Grains Agglutinated by Scene-
desmus antennatus, p. 185.
Map of the Hatfield Broad Oak
District, p. 190.
Bird's-eye view of the District, p.
192.
Plate XVI. Old Wanstead Church
(after Turner). ; Old Wanstead
Church (after Knyff), facing p.
204.
Plate XVII. Sunken Track-Ways
near Saffron Walden, facing p.
237.
Map of Sunken Track-Ways near
Saffron Walden, p. 240.
Plate XVIII. Sunken Track-
Ways near Saffron Walden,
facing p. 241.
Section across Track-Way, p. 241.
Section across Track-Way, p. 242.
Plate XIX. The Saltings at High
Tide. The Haunt of Rock Pipits,
Curlew and Redshank, facing p.
266.
Plate XX. Past-Presidents of the
Essex Field Club, facing p. 269.
Plate XXI. Past-Presidents of
the Essex Field Club, facing p.
282.
Plate XXII. Past-Presidents of
the Essex Field Club, facing p.
287.
Plate XXIII. The President and
Honorary Secretaries, facing p.
290.
Plate XXIV. Essex Oyster- Drills,
facing p. 299.
Two living Ocinebra erinacea boring
a Large Brood oyster, p. 303.
Egg-capsule of the Three Essex
Oyster-Drills, p. 305.
[The Editor expresses his in-
debtedness to Mr. Stephen J. Barns
for his kindness in preparing this
Index.]