TRAITE DE SYLVICULTURE 173 
point of the book; but it must be admitted that, in the present 
uncertain temper of the e biosophists, this is just the question which 
the most experienced fencer in polemical dialectics would be most 
soos shelve 
cuts are chiefly diagrammatic in character. The index of 
satliiors sited i is a full one; the index of subjects is useful and care- 
fully prepared; and the text seems to be free from misprints. 
Freperic N. Wits. 
Traité de scharoningle are ames Lae =a es. By P, Mourttz- 
FERT. Paris : Felix Alca e 7 fr. 
In this voles of over five weittod: om M. Mouillefert, who 
has been for more than a quarter of a century Professor of Sylvi- 
culture at the National has: . prs wets at rang gives us 
the first quarter of what pro s to be mportant work. His 
professed object is the popularization of ‘febeaien, nest whilst the 
present volume deals mainly w e description of the chief 
species of forest trees, the three otiees, which are promised in the 
course of the present year, are to deal with exploitation, gyros 
and valuation, and affores tation and re-afforestatio Some 
tion of the species is preceded also by some definitions, of which it 
may be interesting to quote three of the most dis sputa table : 
“Sélection naturelle.-—C’est la force qui tend a faire adévelopipes 
chez les pereiion o les caractéres propres au milieu ou ils vivent. 
** Con nce vitale.—C’est le combat perpaeel que tous les 
étres mene se livrent entre eux pour l’exis 
‘* Hérédité.—La force qui tend i fixer ‘wa les individus les 
a a i og chez leurs parents.” 
cies dealt with are classified into indigenous broad- 
described as to dimensions, habit, botanical character’: 
history, geography, environment, propagation, and wood, the physi- 
cal characters, structure, uses, and fuel-value of the latter being 
a nearest A synoptical table is also given of about seventy 
of the commoner woods, grouped according to structure. Some 
Sriseetbk is hia given under each genus of its chief insect and fun 
enemies. The scale upon which the work is carried out may be 
M. J. Mouillefert has furnished 630 excellent drawings, 
chiely of structural details, giving not only foliage, floral organs, 
it, but also sections of wood magnified pound times. on 
last are not very nema reproduced. 
scientific names and the use of capitals in the legends of these 
illustrations have not been a prepely revised, so that we have 
* Quercus Pedonculata, Castanea verea, Carpinus s betulus, Ulmus 
