Ill 



PiLSBRY, Henry A., D.Sc. A New Japanese Pleiirotomaria 



(Plate XXII), 496 



A New American Genus of Arionidre (Plate XXVIII), . . 626 

 Mexican Land and Freshwater Mollusks (Plates XI.NII- 



LIV), 761 



A New Hawaiian Limnaea, 790 



Rehn, James A. G. A Revision of the ( rtho]Dteroiis Genus 



Homoeogamia, 177 



Studies in American Forficulidae, 299 



Studies in Old World Mantidse (Orthoptera), 701 



Rehn, James A. G., and T. T>. A. Cockerell. A New Genus of 



Stenopelmatinae (Orthoptera) from Mexico, .... 630 

 Skinner, Henry, M.D. A New Species of Nyctaleniou (Plate 



XIII), 298 



Stone, Witmer. A Collection of Reptiles and Batrachians from 



Arkansas, Indian Territory and Western Texas, . . . 538 

 Racial Variation in Plants and Animals, with Special Refer- 

 ence to the Violets of Philadelphia and Vicinity (Plates 



XXXI-XXXIX), 656 



Stone, Witmer, and James A. G. Rehn. On the Terrestrial 

 Vertebrates of Portions of Southern New Mexico and 



Western Texas, 16 



True, Frederick W. A Note on the Common Bottle-nosed Por- 

 poise of the North Atlantic, Tursiops truncatus (Mon- 



■ tagu), 313 



\''anatta, E. G. a List of Shells Collected in Western Florida 



and Horn Island, Mississippi, 756 



Wheeler. William Morton. A Revision of the North Ameri- 

 can Ants of the Genus Leptothorax Mayr (Plate Xll). 215 



