
The Popular Science Monthly 
Entered in the Post Office in Lancaster, Pa., as second-class matter. 










CONTENTS OF THE SEPTEMBER NUMBER 
The Zoological Station at Naples. Professor CHARLES 
LINCOLN Epwakbs. 
A Unique Collection of Arithmetics, Dr. Louis Kar- 
PINSKI. 
John Dee and his ** Fruitful Preface,”? Professor MARY 
EsTHER TRUEBLOOD. 
The wing of the Scientific Investigator. Professor 
THos. H. MONTGOMERY, JR. 
The Cause of Social Progress and of the Rate of Interest. 
Professor J. PEASE NoRTON. 
Parasitic Culture. Dr. GEORGE EB, Dawson. 
Centralized Authority and Democracyin Our Higher 
Institutions. Professor Epwin D. StaRBuck. 
The Five-fold Functions of Government. Dr. W J 
McGEeE, 
Associate Members of American Societies, Professor 
EDWARD C, PICKERING. 
The Paleontologic Record: Ontogeny, a Study of the 
Value of Young Featuresin determining Phylogeny, 
Professor F. B. Loomis: Paleontology and Ontogeny, 
Professor A. W. GRABAU; Paleontology and the 
Recapitulation Theory, Professor E. R, CUMMINGS ; 
Vertebrate Paleontology and the Recapitulation 
Theory, L. HuSSAKOF. 
The Progress of Science: The Scientific Laboratories of 
Princeton University ; Comparative Psychology in 
America; Scientific Items, 



CONTENTS OF THE OCTOBER NUMBER 
Address before the National Conservation Congress. 
President WILLIAM H, TAFT. 
The Paleontologic Record: The Relation of Paleobotany 
to Phylogeny : Professor D. P. PENHALLOW. Pale- 
ontology and Isolation: Dr. Joun M, CLARKE. 
The Role of Hybridization in Plant Breeding. Professor 
EH, M, Hast. ‘ 
The Natural History and Physiology of Hibernation. 
Dr. ALLEN CLEGHORN. 
The Home of the Alligator. Professor A. M. REESE. 
The Owen Bill for the Establishment of a Federal De- 
partment of Health and its Opponents. Dr. ADOoL- 
PHUS KNOPF. 
The Distinction between the Liberal and the Technical 
in Education. PROFESSOR PERCY HUGHES. 
The Tariff Board : ItsScopeand Limitations. SEYMOUR 
Loomis. 
A Supreme Court of Science. Professor J. PEASE 
NORTON. 
The Moral Equivalent of War. WILLIAM JAMES. 
The Progress of Science : 
William James; National and International Sciene 
tific Congresses ; Scientific Items. 




















































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