f-MAY.] 



Price Is. 6d. 



[1899. 



TRANSACTIONS 



OP THE 



/ 





HEIHT^RDSHIEE 



NATURAL HISTORY SOCIETY 



AJID 



FIELD OLXJB 



EDITED Br JOHN SOPKINSON, F.L.S., F.G.S. 



VOL. X. PART 3, 



CONTENTS : 



PACE 



^9. The Chadwell Spring and the Hertfordshire Bourne. By John Hopkinson, 



F.L.S., F.G.S. , F.R.Met.Soc, Assoc. Inst. C.E, (Plate I.) 69 



A List of the Birds of Hertfordshire. By Alan F. Grossman, F.L.S 84 



|1. Ornithological Notes 102 



Report on the Mycetozoa of the South Midlands for the Years 1895 to 1898. 



By James Saunders 103 



LONDON : 

 HJKNEY & JACKSON, Successors to VAN VOORST, PATERNOSTER ROW. 



HERTFORD : 

 STEPHEN AUSTIN AND SONS, PRINTERS, FORE STREET. 



1899. 



