RESEARCHES 

 ON FUNGI 



V. 



VOLUME IV 



FURTHER OBSERVATIONS ON THE COPRINI 

 TOGETHER WITH SOME INVESTIGATIONS ON 

 SOCIAL ORGANISATION AND SEX 

 IN THE HYMENOMYCETES 



BY 



A. H. REGINALD DULLER, F.R.S. 



B.Sc. (LoND.) ; D.Sc. (BiRM.) ; Ph.D.(Leip.) ; LL.D. (Manitoba) 

 LL.D. (Saskatchewan) ; F.R.S.C. 



MEMBRE ASSOCIE DE LA SOCIETE ROYALE DE BOTANIQUE DE BELGIQUE 

 PROFESSOR OF BOTANY AT THE UNIVERSITY OF MANITOBA 



WITH FOUR PLATES AND ONE HUNDRED AND FORTY-NINE 

 FIGURES IN THE TEXT 



B 



HAFNER PUBLISHING CO. 



NEW YORK 



1958 



