whereas two different varieties selected at randon will occupy in 

 the same year positions differing by 3 : /3 days. Varieties of apples 

 of foreign origin showed no peculiarities in date of their blossoming. 



XXIX. 



Forestry. Afforestation and Forest Conservation. Forest trees : 

 Conditions affecting their growth. -- Timber. -- Preserva- 

 tion of timber. Forest industries and Special products. 

 Charcoal. Resin. Cork. Tanning materials. Wood distillation. 

 Cellulose paste. 



Willow-culture. Basket-work and similar industries. 



Forest legislation. Prevention of forest-fires. 



Useful wild plants. 



Mushrooms and truffles and their culture. Poisonous mush- 

 rooms. 



Wild animals and their products (furs, skins, ivory, etc.). - 

 Game-protection. 



The Woodland Area of Great Britain in 1905. The States- 

 mans year book, 1910. London, Macmillan, p. 65. 



In Ireland in 1908, 301 636 acres were under woods and plan- 

 tations. In 1908, 904 567 trees were felled, most of the timber being 

 used for mining props, railway sleepers, and packing cases. 



