254 



Calendar, Hertfordshire Naturalists' , 

 234, 235. 



Carter, S. J., phenological observations 

 by, 37. 



Cassiobury House, meteorological ob- 

 servations taken at, 89 ; rainfall at, 

 in 1877, 99. 



Cassiobury Park, visited, xx ; mistletoe 

 in, XXV ; beech trees in, 8 ; spruce in, 

 9 ; fir grove in, 42 ; lime trees in, 

 42 ; disease amongst the deer in, 

 111 ; course of Gade in, 115. 



Catastrophists defined, xlii, 174. 



Chalk, at Tyler's Hill, xxiii ; cutting 

 in, near Chiltern Green Station, lix ; 

 amount of, abstracted by the Gade, 

 116. 



Chalk-pit near Hertford, xxvi ; near 

 Bushey Station, xlvi ; near Chiltern 

 Hall, Ix. 



Chater, E. M., on poisons, xxxvi. 



Chauncy quoted, xxiv, 113. 



Cherry-cultivation in Herts, 43. 



Cheshunt, damage by storm at, 219 ; 

 Devonian rocks near, 247. 



Chestnut, at Abbot's Langley, xliii, 6 ; 

 at Ashridge, 6 ; the Wymondley, 

 42. 



Chiltern Green, field meeting at, lix. 



Chiltern Hall visited, Ix. 



Chiltern Hills, watershed of four rivers, 

 113. 



Chipperfield, kestrels reared at, 17 ; 

 tawny owl at, 18, 35 ; linnet at, 25 ; 

 nightjar at, 27 ; green woodpecker 

 at, 27 ; cirl bunting at, 143. 



Climate defined, 129. 



Clutterbl'Ck, Eev. .J. C. : The Pro- 

 ducts of Hertfordshu-e, xv, 41 ; The 

 "Watford Rivers and their Fish, 

 xxxii ; The Oxhey Cutting, K, 250. 



Coal-measures, possibly under the 

 London Basin, 244, 246, 248. 



CofUcote, walnut tree at, 8. 



Colne river, 45 ; pollution of, 110. 



Colne valley, otter and badger in, xxv ; 

 geology of, xlvii. 



Colne Valley Waterworks, xlv. 



Colney Butts gravel-pits, xlvii. 



Convulsionists defined, xlii, 174. 



Coprolites in Herts, 46. 



CoTTAM, A. : on butterflies, xix ; The 

 Micro-megascope, lii, 252. 



Council elected, 14th Feb. 1878, xv ; 

 13th Feb. 1879, xxxvii. 



Council Report for 1877, xvi ; for 

 1878, xxxvii. 



Cowroast, Tring, rainfall at, in 1877, 

 99 ; in 1878, 225 ; rise of Bulborne 

 near, 113. 



Crayfish in the Gade, 126. 



Croft, R. B., phenological obsen'ations 



by, 37, 101, 229. 

 Crossness, boring at, 244. 

 Croxley Hall, Gade at, 115. 

 Cussans quoted, Ivi. 

 Cuvier's classification of fishes, 116. 



Dagnall, gap in Chalk hills at, 115. 



Dahlia, cm-ious sport in, 250. 



Darwin, C, theories of, 61 ; quoted, 

 112. 



Datchworth, rainfall at, in 1878, 225. 



Deer, disease amongst, in Cassiobiu-y 

 Park, 111. 



Devonian rocks under London, 244 ; 

 near Cheshimt, 247. 



Dew-point, calculation of, 205. 



Digswell visited, Ivii. 



Discovery of Silmian rocks in Herts, 241. 



Disease, amongst the deer in Cassio- 

 bury, 111 ; germ theory of, 165. 



Donations to the library in 1877, xii ; 

 in 1878, xxxiii. 



Dudswell meadows, somxe of Bulborne, 

 114. 



Earth, the, shape and size of, 175 ; 

 weight of, 176. 



Earthquake felt at St. Albans, 215. 



East Barnet, rainfall at, in 1877, 99 ; 

 in 1878, 225. 



Economic Entomology, 84. 



Elm, villages named after, 4 ; its uses, 

 4 ; origin of name Wych Elm, 4 ; 

 the Hertfordshire, 41. 



Entomology, economic, 84. 



Eocene flora, 137. 



Ephemera vulgata, notes on, 107. 



Essendon, botanical notes at, 250. 



Essex, Earl of : Meteorological Ob- 

 servations taken at Cassiobury House 

 from January to April, 1876, xxi, 89. 



Etheridge, R., on the boring near 

 Ware, 245, 247 ; near Tiurnford, 247. 



EiicahjptKs globulo^a at Watford, 156 ; 

 at Essendon, 252. 



Eurychce squall, felt at Watford, 216. 



Evans, Dr. J., remarks on birds, x ; 

 on the views of geologists, xlii ; on 

 Clark's process of softening water, 

 xlvi; quoted, 116, 159. 



Evolutionists defined, xlii, 174. 



Expenditure in 1877, xix ; in 1878, xli. 



Experimental grass plots at Rotham- 

 sted, Hv, 140. 



Extracts, medicinal, defined, 147. 



Fairy-rings, fungi of, Iv. 

 Famous trees in Herts, ix, 1. 

 Fertilisation oi Aucuha Jnjwnica, 111, 

 156. 



