( W^' 



JUNE Price Is. [1896 



TUANSACTI OXS 



OF TUK 



HEKTFOEDSHIRE 



NATURAL HISTORY SOCIETY 



AND 



FIELD CLXTB 



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



VOL. IX. PART 1. 



CONTENTS : 



PA a K 



1. Auuiveisary Ackkess — Mutual Aid amougst Animals. By Prince Kropotkiu. 1 



2. I'arasitic Fungi : their Mode of Attack and the Means of its Prevention. 



By George Massee, F.L.S., F.R.M.S 14 



3. Xotes on the CharaceiB, with a List of Species from the South Midlands. By 



James Saimders 19 



4. Xotes on Lepidoptera observed in Hertfordshire dui'ing the year 1895. 



By A. E. Gibbs, F.L.S., F.E.S 27 



(The couducliug parts of Vol. VIII mil be published coucurreutly with the 



earlier parts of Vol. IX.) 



LOKDOX : 

 GURXEY & JACKSON, Successors to VAX VOORST, PATERXOSTER ROW. 



HERTFORD : 

 STEPHEN .\UST1N AND SONS, PRINTERS, FORE STREET. 



1896. 



