LIVE STOCK AXD BREKDING 987 



IV. — Races of forest trees and the serviceableness of foreign 



FOREST trees TO SwEDEN. 



a) Race studies of spruce and pine. 



Previous plantations of plants raised from selected seed shall be looked 

 after so far as is necessary (Physical Section). 



b) German spruce seed. 



Existing stocks of plants of German spruce shall be used for the laying 

 out of experimental areas, and the stock of plants shall be handed over to 

 the superintendent of forest-districts (" revirs ") with the request that they 

 may be used in the forest cultures of the district (Forest Section). 



c) Larch. 



Further areas shall be laid out in larches, after which the results of 

 the investigation into this kind of tree shall be prepared for pubHcation 

 (Forest Section). 



V. — Investigations concerning forest land. 



a) Types of soil. 



With a view to effecting a systematic survey of the different types of 

 forest land in Sweden an investigation of the most important types shall 

 be begun, in which attention shall be directed both to the genesis of the 

 t}-pes and to their value from the standpoint of forestal productivity (Phy- 

 sical Section. 



b) The genesis and improvement of degenerate forest land. 



The studies of ling- heaths shall be continued in the same way as before 

 with a view to summarizing the observations in a publication (Forest 

 and Physical Sections). 



c) Studies of the waterlogging of the forests in Norrland shall be con- 

 tinued in the same way as before and, so far as time allows, preliminary 

 investigations shall be made concerning the waterlogging of forest land in 

 the Southwest of Sweden (Physical Section). 



d) The transformation of moss land to forest land. 



Even if time is not available for the special investigation of this 

 matter, yet attention should be directed to this problem when a suitable 

 opportunity offers. 



LIVE STOCK AND BREEDING. 

 766 - Injury to Livestock by Simu/tum co/umbaczense, in Hungary, — Schmidt 



M., in Allatorvosi L^ipok (VcU-rinary Journal), Year XXXIX, No. 12, pp. i'<3-83 ; No. 13, 

 pp. 89-91. Budapest, March 18 and 25, 1916. 



In Hungary, the periodical outbreaks of Simttliiim columbaczense 

 at times occasion exceedingly grave injury to cattle. Thus, in 1783, in Ba- 

 nat, there died from the bite of these insects : 52 horses, 131 cattle, 310 

 sheep and 130 pigs. In 1813 they killed 200 cattle in the neighbourhood 



