CONTENTS 



Boi/Ton and MiEEER — On the Validity of the Ergograph as a Measurer 



of Work Capacity 79 



Clements — Formation and Succession Herbaria 329 



Davis — Examples of Groups 231 



MiEES — On the Effect of a Magnetic Field on the Interference of 



Natural Light 145 



PiERCE — Some Hypermetamorphic Beetles and Their Hymenopterous 



Hosts 153 



Pound — A New School of Jurists 249 



Stevenson and Engberg — Variation in the Hooks of Dog-Tapeworms, 



Taenia Serrata and Taenia Serial is. 



Part I, Stevenson 191 



Part II, Engberg 211 



Stoddard — The Causes of the Insurrection of the 5th and 6th of 



October, 1789 267 



Tayeor — The Kinetic Theory of Economic Crises 1 



WiEEiAMS — On the Determination of the Refractive Indices by Means 



of Channeled Spectra 129 



