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



















CONTENTS OF THE JULY NUMBER 
A Naturalist in the Straits of Magellan. Dr, CHARLES 


CONTENTS OF THE JUNE NUMBER 
Scientific Work of the Department of Agriculture, Dr, 









W J McGer, Haskins TOWNSEND. 
Instinct and Intelligence in Birds, Professor Francis | The Future of the Human Race, Professor T. D. A, 
H. HERRICK. COCKERELL, 
Two Preventable Causes of Insanity, Dr. Tuomas W. Middle and Distance Running. CHas E, HAMMETT. 
SALMON, The Symbolism of Dreams. HAVELOCK ELLIS. 



Modern Medievolism. Dr, FRANK T. CARLTON. 
The Nature of Disease and of its Cure. Dr. JAMES 
FREDERICK ROGERS. 
The Paleontologic Record : 
Paleontologie Evidences of Climate, J. W. STANTON. 
The Migration and Shifting of Deyonian Faunas, 
Professor HENRY §, WILLIAms.  Paleontologic 
Evidences of Adaptive Radiation, Professor HENRY 
FAIRFIED OSBORN, 
Instinct and Intelligence in Birds. Professor FRANCIS 
H. HERRICK. 
The Progress of Science : 
The Johns Hopkins University ; Medical Education 
in the United States; Robert Koch; Scientifi® 
Items. 
The Indian Fairy Book. SPENCER TROTTER. 
Scenery, Soiland Atmosphere. Professor ALBERT PERRY 
BRIGHAM, 
The Paleontologie Record: The Paleontological Society 
Conference Papers, Professor JoHN M. CLARKE, 
Adequacy of the Paleontologic Record, Professor 
SAMUEL CALyiy, R. S. BassELER. Interdependence 
of Stratigraphy and Paleontology, Dr. W. J. StncLarR. 
Biologie Principles of Paleography, Professor CHAs, 
ScHucHER?, Dr. F. H. KNowLrTon, 
The Case of Harvard College. Professor J. McKEEN 
CATTELL, , 
The Progress of Science : 
The Salaries of University Professors; Sir William 
Huggins ; Lord Kelvin ; Scientific Items, 
Index to Volume LXXVI. 























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