ON THE OLFACTORY ORGANS AND THE SENSE OF 
SMELL IN BIRDS 
R. M. STRONG 
From the Hull Zoological Laboratory, University of Chicago 
TWO PLATES AND FOUR TEXT FIGURES 
CONTENTS 
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5. Results of experimental studies of the sense of smell in ring doves....... 646 
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7. Results of other experiments and observations......................-.- 650 
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1. INTRODUCTION 
The work described in this paper was done principally at the 
University of Chicago. About six years ago the writer became 
interested in the question of whether birds possess asense of smell 
or not. The subject was assigned to a student for some prelim- 
inary study in the spring of 1905. During this time it became 
apparent that something more than simple direct tests would be 
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