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Lie. SCIENTIFIC: SHOP 
ALBERT B. PORTER 
Scientific Instruments 326 Dearborn Street, CHICAGO 
A recent book 
Studtes in General Phystology 
by 
n these two volumes Professor Loeb has collected the results of his 
Professor a eriments with physical life-phenomena and has presente 
in logical sequenc etails of his important physiological work were 
acaues hitherto quite inaccessible, so that these volumes supp real need 
q pply a 
for the up-to-date reader and stud Great interest also attaches to 
Loeb the book cause they recount the preliminary step ich have led 
to the wonderful results lately attained by Professor Loeb i is 
of the University attempts to fertilize ovae in an artificial way (parthenogenesis) 
f California In two volumes, $7.50 net, prepaid $7.91 
ra Light W d Their U: 
importantwork | Light Waves and I heir Uses 
eee: J 
This book, anton some of the more far-reaching conclusions 
Professor 
Albert A. 
Michelson 
of the University 
f Chicago 
of Professor Michelson in his study of optics, particularly light 
waves, is read with great interest by both scientists and laymen. To 
the former it presents a concise résumé of the literature and known 
facts of the subject; to the latter it opens an instructive and fascinating 
realm of science. 
$2.00 net, prepaid $2.13 
The University of Chicago Press 156 ripen Avenue NEW YORK 
Se eee 
