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TRANSACTIONS 



HERT^OKDSHIRE 



NATURAL HTSTOftt SOCIETY 



FIEILD CLUB. 



EDITED BY JOHN HOPKINSON, F.L.S., F.G.S., 

 F.R. Met. Soc, Assoc. Inst. C. E., Sve. Ray 8oc. 



iff C««t^^ 



VOL. XIII. PART 1,_ 



4KM. 20 fd42 y 



CONTENTS : 



PAGES 



1. The River- System of Western Hertfordshife. By Alfked Sutton, 



Assoc. R. S. M. 1-4 



2. Notes ou Lepidoptera observed in Hertfordshire in the year 1905. Bv 



A. E. GiiiBS, F.L.S., F.R.H.S '.. 5-9 



o. Coleoptera new to the Hertfordsliire Fauna. By E. G. Elliman and 



C. T. GiMINGHAM 10 



4. Notes on Land and Fresh-water Mollusca observed in the Neighbourhood 



of St. Albans. By G. E. Bullen 11-13 



5. Albino Moles in Hertfordshire. By A. E. Gibbs, F.L.S 14 



6. Address. — Inorganic Evolution. By the President, John Morison, 



M.D., D.P.H.,M.R.C.S., F.G.S 15-32 



7. The Weather of the vear 1905 in Hertfordshii-e. By John Hopkinson, 



F.L.S. , F.G.S.,'F.R. Met. Soc, Assoc. Inst. C. E. (Plate I.) 33-48 



8. Notes on Birds observed in Hertfordshire during the year 1905. By 



William Bickehton 49-64 



9. On a Recent PaUeolithic Discovery near Rickmansworth. By Sir John 



Evans, K.C.B., D.C.L., LL.D., Sc.D., F.R.S., etc.. (Plates II 



and III.) 65-66 



10. Witches' Brooms. By James Saunders,. A. L.S. (Plates IV-VI, and 



Fig. 1.) : 67-78 



1 1 . Ostracoda and Mollusca from the Alluvial Deposits at the Watford Gas 



Works. By John Hopkinson, F.L.S., F.G.S. , etc 79-80 



12. Report on Phenological Phenomena observed in Hertfordshire during 



the year 1905. By Edward Mawley, F.R. Met. Soc, F.R.H.S., 



V.M.H 81-88 



Proceedings, Session 1905-6 {to be continued) ix-xvi 



LONDON : 



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HERTFORD : 



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