CURRENT LITERATURE 
BOOK REVIEWS 
Contributions to plant physiology 
In a little booklet’ of 95 _ is given the work of the department of plant 
physiology at Johns Hopkins University. Livincston gives a description of 
the department, discussing the aims kaa the work in progress or so far accom- 
plished, to which is appended a list of the publications from the laboratory 
arranged by years. The rest of the book is devoted to abstracts of work in 
progress or recently completed. A list of the authors and titles of these 
articles will give an idea of the number of investigators in the department, 
along with the nature and scope of the problems being covered: B. E. Livinc- 
E.E. FREE, The effects of deficient soil oxygen on the roots of higher ihau 
_E. E. Free, The effect of aeration on the growth of buckwheat in water cul-_ 
tures; Symptoms of ‘Poisoning by certain n elements i oa Pelargomans pad chet 
se, Th 
