246 



Poterhim muricatum in Herts, 63, 72. 



Trestwich, Prof., quoted, 92, 93, 97, 100. 



Pkyou, 11. A. : Notes ou a proposed 

 re-issue of the Flora of Ilertford- 

 sliire, with supplementary remarks 

 on the Botany of the Watford Dis- 

 trict, XV, 17 ; Botany of Hertford- 

 shire, XX, 63 ; On the Botanical 

 "Work of the Past Season, xxiv, 65 ; 

 Note on the occurrence of Impatiens 

 fulva in Herts, xxv ; On the sup- 

 posed Chalybeate Spring at Watford, 

 and on other Medicinal Waters in 

 Herts, xxix, 109 ; Plants new to 

 the neighbourhood of Watford, xliv, 

 173; Eecent blossoming of Spring 

 Flowers, xliv, 174 ; Notes on some 

 Hertfordshire Plants, Ivii. 



Pucnnin graminis figured, '232. 



Putteridge Bury, height of, 151. 



Radlett, plum-pudding stone at, 103, 

 119. 



Rainfall at Watford and Hemel Hemp- 

 stead, 63 ; in Herts in 1875, 112 ; in 

 1876, 225 ; rules for observing, 229. 



Eain-gauge, instructions for reading, 

 215. 



Eaptores, or birds of prey, 56. 



Rasores, or scrapers, oQ. 



Pedbourn, height of, 143. 



Remarkable storm in Herts, 230. 



Report of the Council for 1875, xxx; 

 for 1876, li. 



Rickmans worth. Tertiary beds at, 97, 

 169; rainfall at, in 1876, 227. 



Roaring Meg, Ixii. 



Rothamsted, rainfall at, in 1876, 227. 



Rougli Down chalk-pit, xli. 



Royston, rainfall at, in 1876, 227. 



Rubi, fruticose, in Herts, 24. 



St. Albans, field meeting at, xxxv ; 



height of, 143; Tertiary outlier at, 



169; rainfall at, in 1876, 227; 



botanical discoveries at, xliv, 187 ; 



Colias Edusa at, 240. 

 Salmon quoted, xxi, xxii. 

 Sarratt, 'I'ertiary outlier at, 169. 

 Sedimentary rocks, British, relative 



thickness of, 3. 

 Shcnloy, Tertiary beds at, 169. 

 Six Hills, height of, 149. 

 Snowstorms of March and April, 1876, 



220. 

 Societies, publications of, received in 



cx(;hange, xlviii. 

 South Minims, height of, 144. 

 Special Meeting, 1876, report of, xxix. 

 Sphinx Coiivolvidi, appearance of, 108. 



Spring flowers, recent blossoming of) 



174. 

 Standbridge, coprolite beds at, lix. 

 Standon, boulder at, 172. 

 Stanmore Common, field meetings on, 



xlii, Ivii; gravels of, 104; Tertiary 



beds at, 125. 

 Stevenage, height of, 149 ; rainfall at, 



in 1876, 227. 

 Stevenage to Hitchin, line of levelling, 



149. 

 Storm, remarkable, in Herts, 230. 

 Suffolk, West, botany of, 108. 

 Symons, J. G., on water supply, xxxvi. 



Tertiary Basin, London, section across, 



11. 

 Thame botanical district, 67. 

 Thanet sands, 92, 162. 

 Thermometers, instructions for reading, 



213. 

 Tolpits, Watford, otter at, 236. 

 Tottenham, height of, 145. 

 Tottenham to Broxbourne, line of 



levelling, 145. 

 Totternhoe stone, xxii, 13. 

 Transactions, publication of. Hi. 

 Trees near Watford, size and growth 



of, Ix. 

 Tring, rainfall at, in 1876, 227. 

 Turner's Hill, heisrht of, 145. 

 Turnford, height of, 146. 



Uncinula bicornis figured, 234. 

 Upper Eocenes, 168. 



Yerini, W. : Section of the strata 

 passed through in boring at the 

 Colne Valley Waterworks, xl, 135. 



Volvox glohator, xlii. 



Waltham Cross, height of, 145 ; well- 

 section at, 171. 



Ware, height of, 147 ; rainfall at, in 

 1876, 227 ; storm at, 230. 



Ware to Hertford, line of levelling, 

 147. 



Warne, H. a. : Exchange of North 

 American for British Plants, xiv. 



Water supply of Watford, 125. 



Watcrford, height of, 148. 



Watlonl, chalk of, 7, 10, 12; mineral 

 spring at, 63, 109; rainfall at, in 

 1875,63, 112 ; in 1876, 227; death's 

 head moth at, 64 ; geology of the 

 neighbourhood of, 89 ; Sphinx Coit- 

 vulruli i\i, 108; supposed chalybeate 

 spring at, 109; geology and water 

 su])ply of, 1 25 ; meteorological obser- 

 vations taken at, xxxix, 132, 217 ; 



