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Ecology and Plant Geography, and Flora of Long Island 
The Vegetation of Long Island. By NORMAN TAYLOR 
Work was continued but, due to restricted appropriations, 
upon a reduced scale. It is hoped that the work may be pushed 
during the next year or two towards the publication of ‘‘The 
Forests of Long Island.”’ 
Hydrogen-ton Concentration of Fresh and Stored Soils. 
By HELEN SMITH HILL 
Numerous writers, including Wherry, have claimed that stored 
and fresh soils give the same reaction when tested for hydrogen- 
ion concentration. In over seventy samples certain of the 
Long Island soils gave Ph values from 1.0-2.4 differences as 
between fresh samples and those stored for one year. In all 
cases, except one, the change was from an acid to a more alkaline 
condition. An account of these changes and their possible 
significance will be printed shortly. 
Sow Fertility. By NORMAN TAYLOR 
Apart from their purely physical characteristics, the soils of 
Long Island from one hundred and thirty different sites, depths, 
and plant associations have been studied with reference to their 
fertility. This has involved cultures under control conditions of 
many pots of soil, as well as one hundred and seventeen soil extract 
experiments, where plants were grown in chemically pure crushed 
quartz and watered with the different extracts. The results are 
still incomplete, and it is proposed to carry on this work more ex- 
tensively during 1926. Of particular interest is the fact that over 
great stretches of Long Island geologically similar material has 
resulted in a quite diversified soil and vegetation response. While 
a great deal of work along similar lines has been done in Russia, 
work in this country has been largely upon agricultural soils. All 
of the Long Island soil studies have been on wild land, including 
surface and under-the-surface samples from: 
Oak-Hickory Forest 
Pitch Pine Forest 
White Pine Forest 
Deciduous Forest (Beech, Tulip, Sweet Gum, etc.) 
