540 PROTECTION AGAINST WINDS. 



firm. Since 1870, damage to Prussian forests by storm, snow 

 and rime have been recorded in all the Eoyal Forest districts, 

 and the results published by the directors of the Forest 

 experimental stations. This praiseworthy undertaking should 

 be followed by all State Forest Administrations. 



3. Register of Storms. 



During the past century, the following are the dates of the 

 most widespread and disastrous storms : 



1800 (3rd and 9th November, especially in the Harz). 



1801 (29th and 30th January). 



1833 (17th and 18th December). 



1834 (4th January). 



1836 (29th November and 24th 26th December, from 

 the E.). 



1839 (30th 31st October, especially in the Harz, from 

 the E.). 



1842 (3rd May). 



1853 (14th and 15th December, from S.E.). 



1866 (16th November). 



1867 (8th April). 



1868 (7th, llth, and 29th. December). 



1869 (17th December). 



1870 (26th and 27th October). 



1872 (12th and 13th November, especially near the Baltic, 

 from the N.E.). 



1875 (8th and 13th November). 



1876 (12th and 13th March). In this storm, about thirty 

 million cubic feet of timber were blown down in the State 

 and Communal forests of Hesse, or 84 cubic feet per acre, 

 being 125 per cent, of the total annual yield of the forests. 

 The same storm cleared 24 cubic feet per acre in the Saxon 

 forests, or 40 per cent, of their fixed annual yield. During 

 the same year, 350,000 cubic feet of broadleaved trees were 

 blown down in the Forest of Compiegne. 



1877 (30th and 31st January, and 10th and 12th 

 February). 



1879 (20th and 21st February, 25th June, 20th November, 

 and 5th December). 



