Periodical Literahcre. 149 



Jahrbuch der Preiissischen Forst- urid Jagdgesetzgebung und Ver- 

 walhing. XXV Band., i Heft. 



Contains the new working plan of the Kxperiraent Stations 

 for thinnings and interlucations. It classifies, as formerlj^ into 

 five tree classes. It recognizes ordinary thinnings (tY/^z7rzV/'ar 

 le has) with three degrees, light, moderate and severe ; the last 

 degree moving in the fourth or even fifth classes ; and iclaircie 

 ^ar /<? /zflM/ with two degrees, light and severe. Here a part of 

 the dominated stand is retained and the final harvest crop is 

 recognized. 



A working plan for experiments on the influence of cultiva- 

 tion on the accretion is also given. 



Allgemeine Forst- und Jagd-Zeitung. 

 Jan. 



Aus den Berichten des Direktors der St. Petersburger Forst- 

 akademie iiber die Pariser Weltausstellung contains statistics of 

 the forests of Bosnia, Herzegovina, Rumania, France, Tunis, 

 Austria, Finland, Scandinavia, Canada and Ceylon. 



Feb. 



Pflanzenzucht und Zuchtwahl, by Dr. Kohler accentuates the 

 desirability of using only selected vigorous plant material and 

 shows the advantages of such practice in the long run. Dr. 

 Kohler advocates that at least one third of nursery seedlings be 

 thrown away as inferior and that no attempt be made to save it 

 b)' transplanting. 



Saegeversuche by J. D. Dominions Sohne, gives an account of 

 comparative tests by lyorey of the efiiciency of American (Simonds) 

 and German (Dominicus) saws, the German make being ap- 

 parently better for hardwoods. 



March. 



Under the title Deutsche Reisebilder, Oberforster Dr. Heck 

 says of the enormous quantities of Southern Pine lumber entering 

 at Bremen: " Especiallj^ remarkable is the knotty quality and 

 high price. This was explained l:)y the enormous demands for 

 this wood in the United States, hence it increases in price and the 

 importers must be satisfied with the leavings, which are, how- 

 ever, no better than the cheaper home products." 



