JULY J Price Is. Gd. [1881. 



% 



TRANSACTIONS 



OF THE 



HERTFORDSHIRE 



ATURAL H [STORY SOCIETY 



AND 



FIELD OLUB. 



(a continuation of the transactions of the WATFOllD NATURAL HISTORY SOCIETY.) 

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



VOL. I. PART 5. 



CONTENTS : p,,^,g 



18. A Few Words on Tertiary Man. By John Evans, D.C.L., LL.D., F U.S. 145 



19. Rainfall in Hertfordshire, 1840-79. By the Rev. C.W. Harvey, M.A., F.M.S. 151 



20. TheFloodintheValleyof the Gade, 3rd August, 1879. By John E. Littleboy. . 159 



21. On the Importance of Recording Erratic Blocks. By H. G. Fordham, F.G.S. . . 103 



22. Note on the Schwendenerian Theory of Lichens. By R. B. Croft, R.N., 



F.L.S., F.R.M.S 160 



23. On a Species of Chatospira found at Hoddesdon. By F. W. Phillips 168 



24. On the Occurrence of Red Snow in Hertfordshire. By R. B. Croft, R.X., 



F.L.S., F.R.M.S 170 



25. Anniversary Address. Bv the President, J. Gwvn Jeffreys, LL.D. F.R.S., 



F.L.S., 'F.G.S., etc. .'. '. , ...... 173 



LOiN'DOX : 

 DAVID BOGUE, 3, ST. MARTIN'S PLACE, W.C. 



WATFORD: I HERTFORD: 



PUBLIC UBU.\RY, QUEEN'S ROAD. I STErUEN AUSTIN AXD SOXS. 



ISSl. 



