Elisha Mitchell Scientific Society 
ARCHIBALD HENDERSON, President 
A. H. PATTERSON, Vice-President 
A. S; WHEELER, Rec. Sec. F. P. VENABLE, Penn. Se« 
Editors ok the Journal: 
W. C. COKER 
. E. V. HOWELL, J. E. MILLS 
CONTENTS 
The Amanitas of North Carolina. — H. C . Beardslee 115 
I n vestigations of the N. C. Geological and Economic Sur- 
vey Relating to Forestry Problems Along the North 
Carolina Banks. — Joseph Hyde Pratt 125 
Streptococcus Infections of the Tonsils, their Diagnosis 
and Relationship to Acute Articular Rheumatism. — 
Wm. DeB. Macnider 139 
The “Pinch-Effect in Unidirectional Electric Sparks. — 
Andrew H. Patterson 145 
The Recent Baltimore Meetings of Scientific Societies 143 
Journal of the Elisha Mitchell Scientific Society — Quarterly. Price 
$2.00 per year; single numbers 50 cents. Most numbers of former vol- 
umes can be supplied. Direct all correspondence to the Editors, at 
University of North Carolina, Chapel Hill, N. C. 
