252 
INDEX. 
Thames basin, rainfall in, in 1900, 39 ; 
in 1901, 160 ; in 1902, 232 . 
Thecla betulce new to Herts, 44 ; 
T. w-album plentiful in 1901, 167 . 
Therfield, rainfall at, in 1900, 36 ; in 
1901, 158 ; in 1902, 230 . 
Throcking, rainfall at, in 1900, 36 ; in 
1901, 158 ; in 1902, 230 . 
Thunderstorms in 1900, June, 40 , 70 ; 
July, 41 , 70 ; August, 41 , 72 ; in 
1901, March, April, and May, 162 ; 
July, 152 , 162 , 240 ; Aug., Sept., 
and Oct., 163 ; in 1902, August, 
220 , 234 . 
Tinese of Cheshunt, 82 ; of Bushey 
Heath, 172 . 
Toddington, Monmouth oak at, xliv. 
Tortrices of Cheshunt, 81 ; of St. 
Albans, 168 ; of Bushey Heath, 172 . 
Totanus hypoleucus, ochropus , calidris , 
and canescens, at Tring, 50 . 
Trees, historic, of Beds, xliv. 
Tring Museum and Park visited, xxii. 
Tring, rainfall at, in 1900, 36 ; in 1901, 
158 ; in 1902, 230 ; Baer’s pochard 
(Nyroca Baeri) at, new to Herts, 142 . 
Turdus viscivorus plentiful in 1900, 47 . 
Turnford, dip of Palaeozoic rocks at, 90 . 
Type-specimens, registration of, xxxvi. 
U. 
Underground water, 88. 
‘ Universal Magazine,’ map of Herts 
in, 1751, 195 . 
Upper Lea, fish of, 119 ; shrinkage of, 
236 . 
Y. 
Yalk and Schenk’s map of Herts, 1683, 
176 ; 1724, 187 . 
Vanessa antiopa in Herts in 1900, 44 ; 
its habits, 225 . 
Vespa crabo, nest of, from Watford, in 
Tring Museum, xxii. 
W. 
Wagtail, pied, cuckoo’s eggs in nest of, 
47 ; grey, early appearance of, in 
1900, 47 . 
Wale’s map of Herts, 1748, 193 . 
Walpoole’s map of Herts, 1784, 208 . 
Warburton’s map of Herts, 1745 (c), 
180 ; 1749 (?), 194 . 
Ware, rainfall at, in 1900, 36 ; m 1901, 
158 ; in 1902, 230 ; dip of Palaeozoic 
rocks at, 90 . 
Water-rail at Hunton Bridge, 50 . 
Water-supply of London, 88. 
Watford, ordinary meetings at, in 1900, 
ix-x; in 1901, x, xvii-xxii, xxvii- 
xxviii; in 1902, xxviii, xliii-xliv; 
field meeting at, in 1902, xli; rain¬ 
fall at, in 1900, 36 ; in 1901, 158 ; 
in 1902, 230 ; phenological observa¬ 
tions at, in 1900, 54 ; in 1901, 138 ; 
a foreign beetle at, 46 . 
Wealdstone, phenological observations 
at, in 1900, 54 . 
Weetwood, Watford, rainfall at, in 
1902, 230 . 
Welwyn visited, xlii; rainfall at, in 
1900, 36 ; in 1901, 158 : in 1902, 
230 . 
Weston Park, rainfall at, in 1900, 36 ; 
in 1901, 158 ; in 1902, 230 . 
Wettest days in 1900, 38 ; in 1901, 
156 ; in 1902, 228 . 
Wigginton, rainfall at, in 1901, 160 ; 
in 1902, 230 . 
Winter of 1899-1900, 53 ; of 1900-1, 
135 ; of 1901-2, 214 . 
Woburn Park, Abbot’s oak and large 
ash-tree in, xliv. 
Works on geologyof Herts, 1884-1900, 
list of, 87 ; additions to list to 1883, 
101 . 
Z. 
Zoological Museum, Tring, visited, xxii. 
EEKATA. 
Page 75 , under title, after Boyd delete F.S.A. 
,, 89 ,-footnote, for 300 read 303 , p. 100 . 
,, 167 , line 25 , for Chcerocampa read Choerocampa. 
,, 244 , last line, for Frank read Alfred. 
