PEIRCE’S PLANT PHYSIOLOGY 
By Pror. GEorGE J. PEIRCE, of Leland Stanford tess vi + 291 pp., 8v0; $2.00 
n and thoroughly scie of po discussion of the general principles nd ‘iat ‘Sahiveledony, 
intended for the stadent or ne er SES with the: elements of bot 
nk — as well. a scientifi and one which4s not only a text-book but a rie as readable 
novel. Sune ar plants and our r means of beg ae them, It will be especially 
ae a to the pri atidieet in “rit laboratory investigation.’ —W. F. Massey, N.C. Colleg @ of Agri- 
culture 
ATKIN SON’S ELEMENTARY BOTANY 
ROF. GEORGE F, ATKINSON, of Cornell University. xxiv + 444 pp., 12mo0; $1.25. 
tea so much pleased with it, beca are et the few types treated tie the iin making clear their physiology as well 
as their pireeuite and relationship, t The illustrations pie especially commenda- 
ble.’"—Professor Alvin Davidson, “tamapees College. 
Water’s FERNS Atkinson’ s MUSHROOMS 
With 200 tllustrations. ‘h 230 tllustrations. 
362 pp., square 8vo; $3.00, wef; by mail, $3.34. ee pp., 8v0; $3.00, wet; by mail, $3.23. 
‘It would be difficult to conceive of a more 
adbeapeve and useful book,’’ — Zducationa/ 
‘* Likely to prove the leading popular work on fern 
No finer examples of fern photography nave over 
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29 West 23d Street, NEW YORK 378 Wabash Ave., ears Sy Z 
(Branch for text- datkee 
Methods in Plant Histology 
By CHARLES J, CHAMBERLAIN, A.M., Px.D., Instructor in Botany in the University of Chicago 
A CONSTANT HELP to Teachers and Students of Botany 
: CONTAINS DIRECTIONS FOR COLLECTING AND PREPARIN' 
PLANT MATERIAL FOR MICROSCOPIC INVESTIGATION 
T is based upon a course in botanical micro- -technique, and is the first complete manual to 
be sees on this subject. It is the result of several years’ work with classes in residen nce 
at t peer ir sity of Chicago, an with Drhecttcagy joc sion classes 
versity. wi s, therefore, to mee nly of the student who has the assist- 
ance of an fast ee ina msi equipped laboratory, but rain the seadens who must work by himself 
and with limited apparatus. Free-hand sectioning, the para affin method, the collodion method, 
and the glycerine method, are treated in considerable a In later hae go direc- 
tions are given for making such preparations as are needed by those who wish to study the 
plant Rinsdua: Pah the algze up to the flowering plants. Soaks al attention is p d é 
ng of karyokinetic figures, etiied the student who masters this problem will find little sry caged 
n differentiating other structures. Formulas are given for the reagents commonly used in 
hist@legical reggae otf 
© pp., 8vo, illustrated, cloth, (net) $1.50; postpaid $1.59 
For sale by dealers or by the publishers 
The University of Chicago Press, Chicago, Illinois 
