INDKX. 



241 



U. 



Uudergrouiid water-level, 8 ; chalk 

 *' reservoir," 69 ; it^s depletion 

 proved iu the Lea but uot iu the 

 Colue valley, 81. 



Uniformity iu publicatious, xxxv. 



Unions of Natural History Societiea, 

 xviii. 



Vkrulam, Earl of : Anniversary 

 Address, 1900, Ixi, 165-168. 



W. 



Wagtail, white, nesting in Herts, 180. 



Wagtails feeding a young cuckoo, 102. 



Warbler, Dartford, new to Herts, 33. 



Ware, origin of springs near, 5 ; water- 

 level at, 9 ; rainfall at, iu 1897, 20 ; 

 in 1898, 124; in 1899, 216. 



Warixgton, jr. (quoted), on Chalk 

 waters, 12. 



Warren Gate swallow-hole, 7. 



Water, Chalk, in Herts, 1 ; chemistiy 

 of, 11. 



Water End swallow - holes, North 

 Mimms, 7. 



Waterend House, Wheathampstead, 

 visited, Iv. 



Water-level, underground, 8, 69, 81. 



Water-supply of Metropolis, lloyal 

 Commission on, 1U9 ; from the 

 Chalk, 116. 



Watford, ordinary meetings at, in 

 1897, ix-x; in 1898, x, xvii-xxvi, 

 xxxii-xxxiv ; in 1899, xxxiv-xxxix, 

 xlvi, Ivi; in 1900, Ivi-lx ; rainfall 

 at, in 1897, 26; in 1898, 124; in 

 1899, 216 ; phenological observa- 

 tions at, in 1897, 62; in 1898, 130; 

 in 1899, 174; section in gravel-pit 

 at, 160 ; place-names and field- 

 names of the parish of, 193 ; note 

 on the name, 201. 



Watford Heath, geology of, xlix. 



Watling Street, its course at St. 

 Albans, Ixxii. 



Wealdstone, phenological observations 

 at, in 1S99, 174. 



Wehb, W. M. : Colour iu Nature 

 (title only), xlvi. 



Welliamtireeu stream swallow -holes, 8. 



Wull-waters of Harpoiulon, 12. 



Wehvvn, rainfall at, in 1897, 26 ; in 

 1S98, 124 ; iu 1899, 216 ; flooded 

 in Feb. 1897, 32. 



West Herts, gravels, sands, clays, and 

 loams of, 153 ; Lepidoptera observed 

 iu, 185. 



Westloton Beds in Herts, 107. 



Westletou shingle at Ayot, xxix, 117- 



Weston Park, Stevenage, rainfall at, 

 in 1S97, 26 ; in 1898, 124 ; in 

 1899, ^16. 



Wettest days in 1897, 24; in 1898, 

 122 ; in 1899, 218. 



Wheathampstead district visited, liv ; 

 flooded iu Feb. 1897, 32. 



Whitakeh, W. : Anniversary Address, 

 1S98 — Chalk Water in Hertford- 

 shire, xi, 1-13; Anniversary Address, 

 1899 — Geological and other work in 

 Hertfordshii-e, xxxix, 105-118 ; 

 remarks on bii'ds, xxvi, xxxiii ; on 

 some changes along our coasts, 

 xxxvii ; on geology of Rickmans- 

 "worth, 1 ; of Haretield, li ; of Arlesey, 

 Ixviii. 



Widgeon at Tring, 38. 



Wigginton, sections near, 156, 159. 



Willis, J. J., on field experiments at 

 Rothamsted, Ixxiii. 



Winter of 1896-97, 61, 61 ; of 

 1897-98, 129, 144 ; of 1898-99, 

 173, 224. 



Wood, list of Mycetozoa growing on, 

 170. 



Woodcock Hill Kiln visited, 1. 



Woodland End, loam at, 157. 



Woodpecker, green, at Koyston, 139. 



WooUeus Brook, near Hoddesdon, 4. 



Woolmers Park, Hertiugfordbury, 

 spring in, 4, 73. 



Wormley, phonological observations at, 

 iu 1897, 62. 



Zoological Gardens, Regent's Park, 



visited, xxxii. 

 Zoology, notes on, 192. 



EllRATA. 



Page lii, line 9, delete (genuinely old). 

 ,, 23, ,, 21 from bottom, /w"- 98 read 89. 

 ,, 218, ,, 18 ,, ,, for Year read County. 



