320 
give scope for a very magnificent series of photographs, but for all 
practical purposes, Karsten and Schenck’s “ Vegetationsbilder,” 
about a third of the size, are sufficiently large for educational 
purposes, since they can be more easily handled and more easily 
stowed, 
branches, toes are one the earliest cultivations in the 
reclaimed land, Pines and poplars are the principal trees planted 
for shelter. The general title of the work is ‘Aspects de la 
la Belgique.” It may be added that much of the material ha 
previously appeared in the “ Bulletin de la Société Royale de 
Botanique de Belgique,” vol. xliii. and onward. 
' W. B. H. 
Para rubber.—Mr, W. H. Johnson has published a second 
edition of his book “The Cultivation and Preparation of Para 
Rubber” which has been rewritten and considerably enlarged. 
There are numerous illustrations, The subject matter is collected 
together in fifteen well arranged chapters. — 
