C"O.MTENTS 



1. The Eiver-System of Western Hertfordshire. By 



Alfred Sutton, Assoc. E.S.M. .... 1 



2. Notes on Lepidoptera observed in Hertfordshire in the 



year 1905. By A. E. Gibbs, F.L.S., F.E.H.S. . 5 



3. Coleoptera new to the Hertfordshire Fauna. By Gr. E. 



Elliman and C. T. Gtimingham . . . .10 



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



the Neighbourhood of St. Albans. By Gr. E. Btjllen 11 



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



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



John Moeison, M.D., D.P.H., M.R.C.S., F.G.S. . 15 



7. The Weather of the year 1905 in Hertfordshire. By 



John Hopkinson, F.L.S., F.G.S., F.E.Met.Soc, 

 Assoc.Inst.C.E. (Plate I.) 33 



8. Notes on Birds observed in Hertfordshire during the 



year 1905. By William Bickerton . . .49 



9. On a Eecent Palaeolithic Discovery near Eickmansworth. 



By Sir John Evans, K.C.B., D.C.L., LL.D., Sc.D., 

 F.E.S., etc. (Plates II and III.) . . . .65 



10. Witches' Brooms. By James Saunders, A.L.S. 



(Plates IV-VI, and Fig. 1.) &7 



11. Ostracoda and Mollusca from the Alluvial Deposits at 



the Watford Gas Works. By John Hopkinson, 

 F.L.S., F.G.S., etc 79 



12. Eeport on Phenological Phenomena observed in Hert- 



fordshire during the year 1905. By Edward 

 Mawlet, F.E.Met.Soc, F.E.H.S., V.M.H. . . 81 



13. Hertfordshire Maps : a Descriptive Catalogue of the 



Maps of the County, 1579 to 1900. By Herbert 

 George Fordham. Part III, 1794-1900 {concluded). 

 (With 3 illustrations.) 89 



14. Hertfordshire Earthquakes. By John Hopkinson, 



F.L.S., F.G.S., F.Z.S., F. E. Met. Soc, Assoc. Inst. C.E. 141 



