204 
INDEX. 
Ware, well-sections at, 63, 64 ; rain¬ 
fall at, in 1889 , 67 ; in 1880 - 89 ,85 ; 
in 1890 , 181. 
Water and water-supply, 129. 
Water, its presence, 129 ; composition, 
130; solvent action, 130; colour, 
131; change of state, 131; evapo¬ 
ration, 132; circulation, 132 ; dis¬ 
appearance, 133; underground cir¬ 
culation, 135. 
Water-level in the Chalk at Watford, 
xxiii, xxv, xl, lx; at St. Albans, xxv ; 
in the Lea valley, xxv; at Hoddes- 
don, xl; in Herts, xl; in a deep 
Chalk well at Odsey, 31 ; depression 
of, under London, 151. 
Water-supply, discussions on, xxii, 
xxxix, lxv, lxviii, lx ; source of, 
133 ; from the Chalk, 145 ; of Lon¬ 
don, 129; in the past, 149 ; at 
present, 151; in the future, 159. 
Waters, underground, investigation of 
their circulation, 41, 136. 
Watford, ordinary meetings at, in 1889 , 
xiv; in 1890 , xiv-xv, xxii-xxvi, 
xxxii-xxxiii, xxxix-xlv ; in 1891 , 
lxvi-lxviii, lvii-lxi; field meeting at, 
in 1891 , lxv ; water-level at, xxiii, 
xxv, xl; rainfall at, in 1889 , 67 ; in 
1890 , 181. 
Watton, well-section at, 64. 
Welch, J., on abstraction of water at 
Hoddesdon, 1. 
Well at Odsey, water-level in, 31. 
Wells, measurement of water in, xxiii. 
Well-sections in Herts, 53. 
Welwyn visited, lxiv; rainfall at, in 
1889 , 67 ; in 1880 - 89 , 85 ; in 1890 , 
181. 
Weston Manor, Stevenage, rainfall at, 
in 1889 , 67; in 1890 , 181. 
Wettest days in 1889 , 68 ; in 1890 , 183 . 
Wheathampstead visited, lxv. 
Whitaker, W.: Some Hertfordshire 
Well - sections.—Second Paper, xxxii, 
53-64. 
White, S. M.: on water-level at St. 
Albans, xxv; The Swan (title only), 
xxvi; The Art of Photography, 
xxvi-xxviii. 
Wigginton, well-section at, 60. 
Wild beasts, amongst, xlvi. 
Willis, J. J., phenological observa¬ 
tions by, 114. 
Woodpeckers in Herts, 89, 91, 127. 
Woodhall brickfields, Hatfield, visited, 
lxv. 
Woolwich and Reading Beds at Shen- 
ley and Radlett, xxxvi. 
Y. 
York, conference of delegates to British 
Association at, 45. 
Z. 
Zoological Society of London, origin 
and history of, xlvi. 
Zoology, notes on, 75, 196. 
EEEATA. 
Page 62, Shenley.—Porters, line 2, for 19J read 192. 
,, 65, last line, for * read fi. 
,, 91, line 33, for Leiws read Lewis. 
,, 183, line 15, for minimum read maximum. 
