VI ) CONTENTS 



PAGE 

 SESSION OF 1908-1909: 



Some Nova Scotian aquatic fungi. By Clarence L. Moore, 



M. A 217 



On the occurrence of tin in Nova Scotia. By Harry Piers . . 239 



Scheelite in Nova Scotia, By A. L. McCallum, B. Sc 250 



Some effects of ice action near Grand Lake, Cape Breton. By 



W. S. Brodie, B. A 253 



Catalogue of butterflies and moths, mostly collected in the 

 neighborhood of Halifax and Digby, Nova Scotia. By 



Joseph Perrin and John Russell 258 



Concerning the effect of gravity on the concentration of a 



solute. By Harold S. Davis, B. A 291 



SESSION OF 1909-1910: 



Action of organo-magnesium compounds on quinone. By Cur- 

 tis C. Wallace 301 



Note on recent earthquake in Cape Breton, N. S. By Donald 



Sutherland Mclntosh, M. Sc 311 



Rusts of Nova Scotia. By William Pollock Fraser, M. A. 



(Special index of hosts, page 440 J of species, 444) 313 



Occurrence of opal in granite near New Ross, Lunenburg 



County, Nova Scotia. By Harry Piers . 446 



APPENDICES: 



I. List of members, 1906-1907 i 



II. List of members, 1907-1908 v 



III. List of members, 1908-1909 ix 



IV. List of members, 1909-1910 xiii 



List of presidents, 1862-1910 . . : . . xvi 



