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 Animal Phosphorescence. 



S. WATASE 101 



VIII. The Primary Segmentation of the Vertebrate 



Head. WILLIAM A. LOCY 119 



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



X. Bibliography : A Study of Resources. CHARLES 



SEDGWICK MINOT 149 



XL The Transformation of Sporophyllary to Vegeta- 

 tive Organs. GEORGE F. ATKINSON ... 169 



95273 



