272 
INDEX. 
0 . 
Observation, 157. 
Observations, meteorological, at Throck- 
ing, in 1883 , 103 ; in 1884 , 239 ; 
at Watford, in 1883 , 181 ; in 
1884 , 219 ; pbenological, in Herts, 
in 1883 , 191; in 1884 , 227 ; mis¬ 
cellaneous, 236. 
Odsey, rainfall at, in 1883 , 115 ; in 
1884 , 249 ; phenological observa¬ 
tions at, in 1883 , 191; in 1884 , 228. 
Officers and Council for 1884 , xvi; for 
1885 , liii. 
Ordinary meetings, reports of, 1883 , 
ix-xiv; 1884 , xiv-xv, xxxvi-xxxix, 
xlix-li; 1885 , lii, lx-lxii, lxv. 
Organisms, minute, of chalk and flint, 
143. 
Ornithology, note on, 237. 
Ostracoda of the Chalk, 152. 
Owls in Herts, 214. 
P. 
Paludinidse of Herts, 30. 
Papers read in 1883 , xvii; in 1884 , liv. 
Park Street visited, xxxviii. 
Partridge in Herts, 215. 
Patmore Heath, well-section near, 173. 
Pectinibranchiata of Herts, 30. 
Phalausteridse of Herts, 97, 100. 
Phenological observations in Herts in 
1883 , 191 ; in 1884 , 227. 
Phillips, F. W. : Notes on the 
Protozoa of Hertfordshire: section 
Discostomata, xxxvi, 95-100. 
Rhyllotreta undulata, attack of, in 
Herts, 93. 
Plants, flowering, observed in Herts in 
1883 , 101 . 
Plover, ringed, in Herts, 215. 
Pochard in Herts, 89. 
Polycistina of the Chalk, 152. 
Ponsbourne Park, well-section at, 177. 
Porphyrites, microscopic structure of 
boulders of, 51. 
President’s Address, 17 th Feb. 1885 , 
157. 
Pressure (atmospheric) at Throcking 
in 1883 , 104,“ 106; in 1884 , 239, 
240; at Watford, in 1883 , 184; in 
1884 , 220 . 
Prestwich, Prof. J., quoted, xliii. 
Pryor, M. It., on boulders at Newport, 
Essex, 43. 
Puffin in Herts, 89. 
Pulmonifera, 17; of Herts, 31. 
Pulmonobranchiata of Herts, 30. 
Q. 
Querquedula circia in Herts, 210. 
R. 
Radlett visited, xli; Herts conglomerate 
at, xlii; swallow-holes near, xliv; 
Mollusca of, 29. 
Rainfall in Herts in 1883 , 112 ; in 
1884 , 247; at Throcking, in 1883 , 
105, 107; in 1884 , 241, 242 ; at 
Watford, in 1883 , 185; in 1884 , 
221 . 
Range of the Chalk, 143. 
Ransom, F. : Diatoms : their Nature 
and Habits, lx, 197-206. 
Raven in Herts, 214. 
Reading beds at Radlett, xlii; near 
Hertford, lxvi. 
Receipts and expenditure, 1875 - 84 , xx ; 
in 1883 , xxi; in 1884 , lvii. 
Redbreast in Herts, 86 . 
Redpoll, lesser, in Herts, 87; mealy, 
in Herts, 208. 
Redstart in Herts, 86 . 
Regulus ignicapillus in Herts, 207. 
Report of the Council for 1883 , xvi ; 
for 1884 , liii. 
Report on the rainfall in Herts, in 
1883 , 112 ; in 1884 , 247 ; on pheno¬ 
logical phenomena in Herts, in 1883 , 
191; in 1884 , 227. 
Reptiles of the Chalk, 149. 
Rhabdoliths of the Chalk, 154. 
Rickmansworth visited, lxiv; rainfall 
at, in 1883 , 115; in 1884 , 249. 
Rickmansworth Common Moor visited, 
xxxix ; Mollusca of, xl, 
Robinson, I. : The Diatomacese; with 
special reference to Species found 
in the neighbourhood of Hertford, 
xiv, 1-9. 
Roebuck, W. D., and J. W. Taylor : 
The Recorded Occurrences of Land 
and Fresh-water Mollusca in Hert¬ 
fordshire, xiv, 10-16. 
Rooper, G., remarks on the acclima¬ 
tization of fishes, 1 . 
Rothamsted, rainfall at, in 1883 , 115 ; 
in 1884 , 249. 
Royston, boulders at, 41 ; rainfall at, 
in 1883 , 115; in 1884 , 249; pheno¬ 
logical observations at, in 1883 , 191; 
in 1884 , 228. 
Royston Heath, dotterels seen on, 
84. 
Rush Green, Eocene section near, lxvii, 
Ixviii. 
