LIST OF ILLUSTRATIONS. 
PLATES. 
To face page 
I. Palaeolithic Implement from Leverstock G-reen 
Frontispiece, or 1 
II. Brown Bot (Monilia fructigena) on Cherry Blossom . 33 
III. Map of the Soils of part of the Botliamsted Estate . 59 
IY. High Street, Watford, in the Flood of 22nd July, 1907 81 
Y. The Old “ Burnt Oak,” Oxhey Lane, Watford . .129 
YI. The Present “ Burnt Oak,” Oxhey Lane, Watford . 130 
YII. The Biver Yer at St. Albans.209 
YIII. Map of the Yicinity of St. Albans Between pp. 210 and 211 
IX. Plan of the City of St. Albans Betweenpp. 220 and 221 
X. Part of the Boman Wall, Yerulam Woods . . 245 
XI. Modern Yerulam.247 
XII. Part of the Buined Wall of Yerulam . 248 
OTHEE ILLUSTEATIONS. 
PAGE 
Eig. 1. Palaeolithic Implement from Oaddesden Bow . . 3 
,, 2. American gooseberry mildew (Sphserothecamors-uvse) 41 
,, 3. Black scab of potato (Chrysophlyctis endobiotica) . 43 
,, 4. Section S.W. of Bound Wood, N.W. of Harpenden . 60 
,, 5. Section in old chalk-pit north of Moreton End, 
Harpenden ........ 60 
,, 6. Another section in the same pit . . .60 
