A 
_are, they are not of a sufficiently high order for 
poseless. And in the present case the eviden 
476 REVIEWS AND BOOK NOTICES. 
Plants Grow,’ but how plants Act, in certain important respects 
easy to be observed,— everywhere open to observation, but ( 
other common things and common doings) very seldom seen 
attended to. This little treatise, designed to open the way for 
the young student into this new, and, I trust, attractive field, 
may be regarded as a supplement to the now well-known book, 
the title of which is cited at the beginning of this prefatory note, 
If my expectations are fulfilled, it will add some very interesti 
chapters to the popular history of Plant-life. i 
“ Although written with a view to elementary instruction, and 
therefore with all practical plainness, the subjects here presented 
are likely to be as novel, and perhaps as interesting, to older 
as to young readers. i 
“To those who may wish to pursue such studies further, and 
those who notice how much is cut short or omitted (as, for ii- 
stance, all reference to discoverers and sources of information), L 
may state that I expect to treat the subject in a different Ki 
and probably with somewhat of scientific and historical b gi 
in a new edition of a work intended for advanced students.” 
The book contains three chapters of unequal length. Of these, 
the first describes the motions of plants and how they a : 
The third chapter takes up the very curious fact rat certi 
plants, for the most part in their leaves, possess living ® 
very efficient insect-traps. The Pitcher-plant and Sundew are ó 
ured and described. In naming the volume si How Plants y 
have,” Dr. Gray appears to recognize a personality in age À 
least he is careful, all the way through, to show that eie k 
which he explains are the result of the plant’s will; and thet 
far as botanical science allows, he assigns the reasons for i 
The following, from his account of the Venus Flytrap of 
Carolina shows the ambitious hunger which may make 
carnivorous : a 
“ It cannot be supposed that plants, like boys, catch 
pastime or in objectless wantonness. Living beings tho fe 
that. It 
incredible that such an exquisite apparatus as this ere 
ce of the 
of the meaning of the strange action is wellnigh wer 
face of this living trap is thickly sprinkled with gl pE 
in its texture, of elaborate structure under the micr? 
