Ta 
Vou. LX XVII. No. 3. SEPTEMBER, 1910 
THE 
POPULAR SCIENCE 
MONTHLY 
EDITED BY J. McKEEN CATTELL 
CON’TENTS 
The Zoological Station at Naples. Professor CxartEes Lincotn Epwarps 209 
A Unique Collection of Arithmetics. Dr. Louis KarpinskI . ‘ . 226 
John Dee and his “Fruitful Preface.’’ Prof. Mary Ester TRUEBLOOD 236 
The Making of the Scientific Investigator. Professor THos. H. Mont- 
GOMERY, JR. . ‘ ; : : , : : ; ? . 242 
The Cause of Social Progress and of the Rate of Interest. Professor J. 
PrAse NorTon . : : : ‘ : ‘ ‘ 3 ; . 252 
Parasitic Culture. Dr. Gzrorce E. DAwson ; : : : . 256 
Centralized Authority and Democracy in Our Higher Institutions. Pro- 
fessor Epwin D. StaArBucK ; ; 2, : ? : fe Up BGs 
The Five-fold Functions of Government. Dr. WJMcGrr . : 2214 
Associate Members of American Societies. Professor Epwarp C, PickERING 286 
The Paleontologic Record: 292 
Ontogeny,a Study of the Value of Young Features in determining Phylogeny, Pro- 
fessor F. B. Loomis ; Paleontology and Ontogeny, Professor A. W. GRABAU ; Pale- 
ontology and the Recapitulation Theory, Professor E. R. Cuminas ; Vertebrate 
Paleontology and the Recapitulation Theory, L. HUSSAKOF. 
The Progress of Science : 308 
The Scientific Laboratories of Princeton University ; Comparative Psychology in 
America ; Scientific Items. 
THE SCIENCE PRESS 
*~ LANCASTER, PA. GARRISON, N. ¥. 
NEW YORK: Sus-Sration 84 
SinetE Nomser, 30 CEnts YEARLY SUBSORIPTION, $3.00 

CoPpYRIGHT, 1909, By THE SCIENCE PRESS 
