CONTENTS 



PAGE 



1. The Cretaceous Rocks of England. By J. Logan Loblet, 



P.G.S., F.R.G.S. (With 5 woodcuts.) 1 



2. Notes on the Flora of the Watford District. By Aethiik 



CoTTAM, F.R.A.S 14 



3. Notes on a proposed re-issue of the Flora of Hertford- 



shire, with Supplementary Remarks on the Botany of 



the Watford District. By R. A. Pkyob, B.A., F.L.S. 17 



4. On the Observation of Periodical Natural Phenomena. 



By John Hopkinson, F.L.S., F.G.S., Hon. Sec. . . 33 



5. Notes on the Plants on which the Meteorological Society 



invites Observations as to their Time of Flowering. 



By the Rev. W. M. Hind, LL.D 43 



6. Note's on the Observation of Insects in Connexion with 



Investigations on Seasonal Phenomena. By Authtjr 

 CoTTAM, F.R.A.S 50 



7. On the Pleasures and Advantages to be derived from a 



Study of Natural History, and more particularly from 

 the Observation of Birds. By J. E. Hakting, F.L.S., 

 F.Z.S 52 



8. Miscellaneous Notes and Observations 63 



9. On the Botanical Work of the Past Season. By R. A. 



Petor, B.A., F.L.S. (With a Map of Hertfordshire.) 65 



10. List of Works on the Geology of Hertfordshire. By W. 



Whitakee, B.A., F.G.S 78 



11. A Few Words about our Local Ferns. By John E. 



LiTTLEBOT 83 



12. The Physical Structure of the London Basin, considered 



in its Relation to the Geology of the Neighbourhood 

 of Watford. By Professor John Moeeis, F.G.S. 

 (AYith 6 woodcuts.) 89 



13. Miscellaneous Notes and Observations 108 



14. On the supposed Chalybeate Spring at Watford, and on 



other Medicinal Waters in Herts. By R. A. Petoe, 

 B.A., F.L.S 109 



15. TheRainfaUin 1875 112 



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



F.R.S., F.S.A., F.G.S., etc 113 



