CONTKNTS. 



PAGE 



17. The Geology and Water Supply of the ^Neighbourhood 



of Watford. By the Eev. J. C. Cluttekbuck, M.A.. 125 



18. Meteorological Observations taken at Cassiobury House 



from May to December, 1875. By the Right Hon. 



the Earl of Essex 1 32 



19. Miscellaneous Notes and Observations 135 



20. The Hertfordshire Bourne. By Johx Evaxs, F.R.S., 



V.P.S. A., r.G.S., etc., President 137 



21. The Hertfordshire Ordnance Bench Marks, from the 



' Abstracts of Levelling ' of the Ordnance Survey. By 

 John Hopkinson, Hon. Sec 141 



22. The Polaiisation of Light. By James U. Haefoed. 



(With a Plate.) 152 



23. The Eocenes of England and their Extension in Hert- 



fordshire. By J. Logan Lobley, E.G.S., F.R.G.S. . . 161 



24. Miscellaneous Notes and Observations 172 



25. Notes and Queries on the Eiver Colne, Watford. By 



Alfred T. Brett, M.D 175 



26. Fish-hatching and Fish-culture in Hertfordshire. By 



A. T. Brett, M.D. With Notes on Pisciculture in 

 Hertfordshire, by Peter Hood, M.D 179 



27. Anniversary Address. By the President, John Evans, 



F.B.S., V.P.S.A., F.G.S., etc 187 



28. The Fertilisation of Plants. By the Eev. George 



Henslow, M.A., F.L.S., F.G.S 201 



29. Instructions for taking Meteorological Observations. By 



William Marriott, F.M.S 211 



30. Meteorological Observations taken at Holly Bank, 



Watford, during the year ending 28th February, 1877. 



By John Hopkinson, F.L.S., F.M.S., Hon. Sec. . . 217 



31. Eepoi-t on the Eainfall in Hertfordshii'e in 1876. By 



the Honorary Secretary 225 



32. Notes on a Eeraarkable Storm in Hertfordshire, April 



4th, 1877. By Lieut. E. B. Croft, K.N., F.L.S. . . 230 



33. On Microscopic Fungi. By E. M. Cuater. (With 3 



woodcuts.) 231 



34. Notes on the Otter and Badger in Hertfordshire. By 



Alfred T. Brett, M.D., President 236 



35. Miscellaneous Notes and Observations 238 



Index, etc , 241 



Peoceedings, January, 1875, to June, 1878, pp. ix-lxiv. 



