IV CONTEXTS. 



PAGE 



Rehn, James A. G., and Morgan Hebard. A Contribution to 

 the Knowledge of the Orthoptera of Montana, Yellow- 

 stone Park, Utah and Colorado, 358 



Smith, Burnett, Ph.D. Phylogeny of the Races of Volutilithes 



petrosus (Plate II), 52 



Stevens, N. M., and A. M. Boring. Planaria Morgani n. sp. 



(Plate I), 7 



Vaux, George, Jr.,. and William S., Jr. Observations on 

 Glaciers in Alberta and British Columbia (Plates XXIII 

 et seq.), 568 



Watts, Harvey M. Weather Predictions, 430 



