CONTENTS. 



I. Infection and Intoxication. SIMON FLEXNER . . i 



II. Immunity. GEORGE M. STERNBERG .... n 



III. A Student's Reminiscences of Huxley. HENRY 



FAIRFIELD OSBORN 29 



IV. Paleontology as a Morphological Discipline. W. 



B. SCOTT 43 



V. Explanations, or How Phenomena are Interpreted. 



A. E. DOLBEAR 63 



VI. Known Relations between Mind and Matter. A. 



E. DOLBEAR 83 



VII. On the Physical Basis of A nimal Phosphorescence. 



S. WATASE 101 



VIII. The Primary Segmentation of the Vertebrate 



Head. WILLIAM A. LOCY 119 



IX. The Segmentation of the Head. J. S. KINGSLEY. 137 



X. Bibliography : A Study of Resources. CHARLES 



SEDGWICK MINOT 149 



XI. The Transformation of Sporophyllary to Vegeta- 

 tive Organs. GEORGE F. ATKINSON ... 169 



