200 
INDEX, 
EL 
Hadham, Little, well-section at, 59. 
Hadham, Much, well-sections at, 59, 
60; rainfall at, in 1889 , 67; in 
1880 - 89 , 85; in 1890 , 181. 
Half-a-century’s rainfall in Hertford¬ 
shire, 81. 
Haliaetus albicilla near Hitchin, 127. 
Harpenden visited, xxxiii; well-sections 
at, 57 ; rainfall at, in 1889 , 67 ; in 
1880 - 89 , 85 5 in 1890 , 181 ; pheno- 
logical observations at, in 1889 and 
1890 , 114. 
Hatfield visited, xxxii, xxxviii ; well- 
section at, 57; rainfall at, in 1889 , 
67; in 1890 , 181. 
Hatfield Park visited, xxxviii; fungi 
of, xxxviii; lichens and mosses of, 
xxxix. 
Hawfinch in Herts, 89. 
Hedges, St. Albans, visited, xxxvii. 
Helleborus viridis at Sandridge, 74. 
Hemel Hempstead, well-section at, 57 ; 
rainfall at, in 1889 , 67 ; in 1880 - 89 , 
85 ; in 1890 , 181. 
Hertford, ordinary meeting at, in 1891, 
xlviii; field meeting at, in 1891 , Ixvii; 
well-sections at, 57, 58; rainfall at, 
in 1889 , 67; in 1880 - 89 , 8 & > in 
1890 , 181. 
Hertfordshire, geological photography 
in, 49; well-sections in, 53 ; rain¬ 
fall in, in 1889 , 65; in 1880 - 89 , 
85; in 1890 , 179; plants recorded 
in, 1886 - 89 , 74; Ornix fagivora in, 
75 ; climatological observations in, 
in 1889 , 77 ; in 1890 , 187 ; half-a- 
century’s rainfall in, 81,139; birds ob¬ 
served in, in 1889 , 89 ; in 1890 ,123; 
phenological phenomena in, in 1889 
and 1890 , 114 ; supply of water from 
the Chalk of, 129 ; area of permeable 
rocks in, 153 ; diseases of plants in, 
in 1890 , 191; fire-ball meteor seen 
in, 194. 
High Down, Hitchin, rainfall at, in 
1889 , 67 ; in 1880 - 89 , 85 ; in 1890 , 
181. 
Hill, D., on water-level in the Chalk 
at Watford, xl. 
Hinxworth, well-section at, 58. 
Hitchin, ordinary meeting at, in 1891 , 
lvii; well-section at, 58 ; rainfall 
at, in 1889 , 67; in 1880 - 89 , 8 ^ ; in 
1890 , 181 ; temperature and rainfall 
at, 1850 - 89 , 72 ; phenological ob¬ 
servations at, in 1889 and 1890 , 114. 
Hitchin Natural History Club, pheno¬ 
logical observations by, 114. 
Hoddesdon, white stoat at, 76. 
Hopkinson, J. : Meteorological Ob¬ 
servations taken at The Grange, 
St. Albans, during the year 1889 , 
xxii, 25-3,0; . . . during the 
year 1890 , lviii, 169-174 ; On Local 
Scientific Investigation in connec¬ 
tion with Committees of the British 
Association, xxvi, 37-48; On Geo¬ 
logical Photography in Hertford¬ 
shire, xxvi, 49-52 ; The Elver 
Colne and the Swallow Holes 
at Potterells, xxix-xxxii; Beport on 
the Eainfall in Hertfordshire in 
1889 , xxxii, 65-71 ; ... in 1890 , 
lxi, 179-186 ; Temperature and 
Eainfall at Hitchin, 1850 - 89 , xxxii, 
72-73; Hertfordshire Plant-Bee or ds, 
1886 - 89 , xxxiii, 74-75; Climato¬ 
logical Observations taken in Hert¬ 
fordshire in 1889 , xxxix, 77-80; 
... in 1890 , lxi, 187-190; Half-a 
century’s Eainfall in Hertfordshire, 
xxxix, 81-88 ; Eeport on Pheno¬ 
logical Phenomena observed in Hert¬ 
fordshire during the years 1889 and 
1890 , lviii, 114-116; Water and 
Water-supply, with special reference 
to the Supply of London from the 
Chalk of Hertfordshire, xlv-xlvi, 
xlviii-li, lvii, 129-161 ; remarks on 
percolation, lix-lx; A Fire-ball 
Meteor seen in Hertfordshire, lxi, 
194-195; reception of members by, 
lxviii. 
Hopkinson, Mrs. J. (Watford), recep¬ 
tion of members by, Ixvi. 
Horse, the, 103. 
Hunsdon Bury, well-section at, 58. 
Hybernation of the swallow, xxxiii. 
Hydrophobia, cure of, xi. 
Hymenoptera building in locks, 196. 
I. 
Injurious insects, investigation of, 44. 
Inoculation, x. 
Insects, injurious, investigation of, 44. 
Insects to he observed, 122 ; building 
in a lock, 196. 
Instructions for the collection of geolo¬ 
gical photographs, 50. 
Investigation, local scientific, 37, 39. 
Ivel district, rainfall in, in 1889 , 69 ; 
in 1890 , 184. 
J. 
July 12 th, 1889 , excessive rainfall on, 
65, 71 ; July 17 th, 1890 , excessive 
rainfall on, 182, 185. 
