In quoting articles, please mention this BULLETIN. 



CONTENTS 



First Part : ORIGINAL ARTICI^ES. 



J. I^AWLER : Historical Review of Canada's Timber Industry Page 1227 



R. G. lyEWis : The Forest Trees of Canada Page 1234 



Second Part: ABSTRACTS. 



.. AGRICULTURAL INTEI^LIGENCE. 



I I. — Generai, Information, 



Development of Agriculture in Different Countries. — 956. The Agricultural Products 

 of Portuguese Guinea. 



AGRicuLTUit4.L Eduovtion. — 957. Agricultuial Education in Chile. — The Agronomic Insti- 

 tute of Santiago. — 959. Reorganisation of Agricultural Education in Columbia. 



II. — Crops and Cui^tivation. 

 a) General. 



Soil Physics, CnEansTRY and Microbiology. — 959. Contribution to a Study of the Form 

 in which Phosphoric Acid occurs in the Soil. — 960. Method of Sterilisation and Chloro- 

 forming of the Soil in the Study of the Properties of ;< Tchenioziom ». 



Manures and Manuring. — 961. Study of the Nitrification of Difterent I^eathers available 

 for Agricultural Use, and Sulphurated Rape Cakes. — 962. Catalytic Manures : Manganese 

 as a Catalyser of the Biochemical Reactions by means of which Plants Assimilate Atmo- 

 spheric Nitrogen through Bacterial Agency. 



n . 



V) Special. 



Agricultural Botany, Cheivhstry \nd Physiology of Plants. — 963. .Successful Treat- 

 ment with Insecticides of Plants in Flower. — 964. Osmotic Pressure of Soil Moisture and 

 Glassiness of the Grain of « Bielotourka «. ■ — 965. Senile Changes in thel,eaves olVitis 

 vulpina, and certain other Plants. 



