IV CONTENTS. 



PAGE 



Notes on the Cirripede Genus Megalasma (Plate XXXI) , 408 



New Clausiliidai of the Japanese Empire — XI (Plate XXXII, 



XXXIII, XXXIV), 499 



Rehn, James A. G. Notes on Orthoptera from Southern Arizona, 



with Descriptions of New Species, 24 



Non-Saltatorial ami Acridoid Orthoptera from Sapucay, 



Paraguay, 151 



Orthoptera of the Families Tettigonidse and Gryllidse from 



Sapucay, Paraguay o70 



Rehn, James A. G., and Morgan Hebard. Orthoptera from 



Northern Florida, 279 



Smith, Burnett. Note on the Value of the Gastropod Apex as a 



Means of Classification, 194 



A Contribution to the Morphology of Pyrula ( Plate XVII), . 208 

 A New Species of Athleta, and a Note on the Morphology of 



Athleta petrosa, 229 



St©ne, Witmer. The Life- Areas of Southern New Jersey, . . 452 

 Surface, Frank M. The Early Development of a Polyclad, 



Planocera inquilinaWh. (Plates XXXV-XL), ... 514 

 Vanatta, E. G. Notes on the Leaf-hairs of Lesquerella (Plate 



XXI) 247 



Van Duzee, E. P. Studies of North American Fulgoridse, . 467 



Vaux, George, Jr., and William S. Observations made in 1907 



on Glaciers in Alberta and British Columbia, . 560 



