2.18 



INDEX. 



Birds observed in Herts in 189 1, 62 ; 



in 1892, 161. 

 Biston hirtaria at Watford, 197. 

 Blackbird, light- coloured, 163. 

 Blepharozia ciliaris in Herts, 235. 

 Boiirmia cofisortaria in Herts, 197. 

 Bombyz neustria at St. Albans, 193. 

 Boukier-clay, 154 ; in Herts, 154. 

 Boulders, 153 ; in Herts, 153. 

 Bower Heath visited, xx. 

 Brett, Dr. A. T., remarks on plant- 

 diseases, X ; on the valley of the 



Colne, xxxiii. 

 Bricket Wood Common regulation 



scheme, discussions on, xviii, xix. 

 British terrestrial quadrupeds, 41. 

 Brocket Hall, Welwyn, rainfall at, in 



1891, 56. 

 Brocket Park, Welwyn, visited, xlvi. 

 Brookmans Park, Hatfield, rainfall at, 



in 1892, 204. 

 Broxbourne, rainfall at, in 189 1, 56; 



in 1892, 206. 

 Broxbourne Wood visited, xxx ; fungi 



of, xxx. 

 Bidlfinch, notes on, 164. 

 Buntingford, rainfall at, in 1891, 56, 



58 ; in 1892, 206. 

 Bushey Heath, rainfall at, in 1891, 56. 

 Bushey Mill visited, xxi. 

 Bufeo vulgaris at Cole Green, 62 



(determined to be Falco peregrinus, 



165) ; B. lagopns in Herts, 63. 

 Butterflies of Symond's Hyde, xlvi. 

 Butterfly, clouded-yellow, appearance 



of, 187; in Herts, 188; other 



species, 190. 

 Buzzard, common, at Cole Green, 62 



(determined to be the peregrine 



falcon, 165); rough - legged, in 



Herts, 63. 

 Bye-meeting at St. Albans in 1891, ix. 



C. 



Calendar, naturalist's, for Mid-Herts, 

 76, 81. 



Calocampa exoleta in Herts, 195. 



Cnhjmnia diffi.n\s in Herts, 196. 



Cam district, rainfall in, in 1891, 59 ; 

 in 1892, 209. 



Campbell, Lord (quoted), on Francis 

 Bacon's influence in the law, 30. 



Capreolus caprcea noticed, 51. 



Caprimulgus europfsiis, notes on, 164. 



Cassiobury Park, Watford, green wood- 

 pecker in, 62. 



Cat, wild, notes on, 47. 



Cephalozia biciispidata in Digswell 

 Park, Hi; in Herts, 234 ; C. byssacea 

 in Herts, 234. 



Cerigo matura in Herts, 196. 

 Cervtis elaphus noticed, 50 ; C. dama,5\. 

 Chalk at St. Albans, xxiii ; at Hare- 

 field, xlv. 

 Chambers, R., on evolution, 127. 

 CheUdon urbica, notes on, 66. 

 Cheshunt, rainfall at, in 1891, 56; in 



1892, 206. 

 Chiluscyphns polyanthos in Herts, 235. 

 ChUtern Green, grey phalarope at, 64. 

 Chcerocampa elpenor at Welwyn, 191. 

 Church, Dean (quoted), on character 



of Francis Bacon, 31. 

 Cladonia pyxidata at Digswell, lii. 

 Clavaria stricta at Wormley, xxxi. 

 Cleoceris viminalis at Bricket Wood, 



197. 

 Climate of Watford, 219. 

 Climatological observations in Herts, 



in 1891, 157; in 1892, 199. 

 Cloud at Watford, 1877-86, 226, 227. 

 Coal, its aspect, 89 ; splitting, 89 ; 



constituents, 89; varieties, 91 ; origin 



and area of formation, 92 ; associated 



materials, 93 ; position and extent, 



94 ; range imder the South of 



England, 94; discovery at Dover, 97. 

 Cole Green, peregrine falcon at, 165 



(reported as common buzzard, 62). 

 Colias edtisa, appearance of, 187; in 



Herts, 188. 

 Colne at Colney Heath, variation in 



flow of, xlix. 

 Colne district, rainfall in, in 1891, 59; 



in 1892, 209. 

 Colney Heath visited, xlix. 

 Conocephnlus conicus in Herts, 233. 

 Coremia designata at Knebworth, xhiii. 

 Coronella Imvis exhibited, xliv. 

 Corvus frugilegus stealing eggs, 67. 

 Cosmia pyraVina in Herts, 197. 

 Cossus lignipcrda at Hitchin, 192. 

 Coturnix communis at Hertingfordburv, 



166. 

 Council elected, 1892, xii; 1893, xxxvii ; 



report of, for 1891, xiii ; for 1892, 



xxxviii. 

 Cowroast, Tring, rainfall at, in 1 89 1, 



56 ; in 1892, 206. 

 Cromer Hyde visited, xlvi. 

 Cryptogamic plants, lists of, xxx, li, 



iii, 144, 233. 

 Cuckoo, notes on, 165. 

 CucuUia rerhasci in Herts, 195. 

 Cumins canorus, early appearance of, 



in 1892, 165. 

 CussANS, J. E. (quoted), on Aldenham 



xxii ; on Knebworth, xlvii ; on River 



Colne at Colney Heath, xlix. 

 Cymatophora or at Bricket Wood, 197. 

 Cypselus apus, notes on, 67. 



