CONTENTS 



Originai, Papers 



Page 

 Zoology. — On the relations of the sectional groups of Bulimulus of the 



subgenus Naesiotus Albers. William Healey Dall 117 



Geophysics. — The internal constitution of the earth. Walter D. Lambert. . . 122 



Proceedings 



Washingfton Academy of Sciences 144 



Biological Society 145 



Scientific Notes and News 148 



