UUN 211899 



CONTENTS. 



PAGE 



The Retrospect of the Year 1 



Japanese Collembohi. By Justus Watson Folsom. Illustration. 51 



Biotite Tinguaite Dyke Rock. By John 11. Sears. Illustration. 68 



Battles of the Black Ants. By Rev. W. P. Alcott ... 64 

 Some Glacial Wash-Plains of Southern New England. By J. 



B. WooDwouTH. 3Iaps 71 



Selections from a Note Book of JVIanasseli Cutler, Entitled "A 

 Description of the Animals in North America Taken from 



Actual Observation." 120 



(iii) 



