266 Scientific Intelligence. 
0 pages, will not be expected of us. Some idea of the varied 
sieacaat of the volume may be gathered from our statement that, 
after three brief essays on the observation, first of material and 
then of social facts, and upon the best way to study statistics, we 
have a very full discussion upon the part which rent varia- 
eee and ‘nies play in the development of the human spe- 
At close the author enquires whether the fetus 
this startling suggestion the author speculates scientifically upon 
the probable fature of the human species 
e next essay, reprinted from the first “edition with some 
changes, explains upon the principles of natural pavieet be why 
contagious and epidemic diseases are more fatal at their first 
appearance among a people than afterwards, and on it is that 
ecg may after long use come to be less protective than at 
t 
Then comes the article which gives its title to the volume, and 
fills more than half of it. ae is an analysis of the lists of foreign 
development of the sciences, as well the it social, and histori- 
cal as the mathematical, Ringtone, and natural. 
This is followed by the essay (which excited considerable at- 
tention on its appearance in the first edition), upon the advantage 
for science of a dominant language, and the expression of a well- 
ees opinion that the a, language will be, and deserves 
e, the dominant language of the “twentieth century. In 
view of which the author sfludes to the serious infirmity of our lan- 
consequently of the words natural and supernatural, be does no 
go hig deeply into the subject ; and a new one upon transforma- 
s of movement in organized beings, plastic mapendentr lg vitality, 
ae We notice that, ‘although the author has no faith in the 
growing of mummy-wheat and t the like, he thinks that the preserva 
tion of the beast - a seed for two or three thousand _ is not 
in itself improbable ! G. 
4, Jahrbuch des Kéniglichen botanischen Gartens und oe bot- 
anischen Museums zu Berlin ; herausg. Dr. A. W. E1cuuer, ete. 
Band Ill. 1884, —The third” volume of an _ annual, an 8vo. 
