DE CIENCIAS NATURALES 



89 



Mollusca of the Southwstern States. Mollusca of Fiint 

 and Caroline islands, Henry A. Pilsbry. A new species of 

 Sea-Mouse (Aphrodita hastata), J. Percy Moore. 



— Part 11. A Catalogue of the Erígeme® of North America, 

 Gyrus R. Crosby. Senility among Gastropods Burnett 

 Smith. Notes on some artic Fishes, Henry W. % Fowler. 

 Description of a new species of comensal Crab, Mary J. 

 Batlibun. Some marine Oligochseta of New England, 

 J. Percy Moore. A Contribution to the Knowledge of the 

 Acrididse (Orthoptera) of Costa Rica, James A. G. Rehn. 

 Some Fishes from Borneo: Henry W. Fowler. Diachaea 

 cylindrica, a new species of Micetozoa, Hugo Bilgram. 

 New Species of Pulychseta from the Pacific, J. Percy 

 Moore. Five new Species of Pseadopotamilla from the 

 Pacific Coast of North America, J. Percy Moore. Notes 

 on some Hawaiian Achatinellidse and Endodontidáe, 

 íl. A. Pilsbry. On two havaian Cerithiidüe, H. A. Pilsbry 

 and Y. Hirase. 



-Part III. The comparative Age of the different floris- 

 ticelements of Eastern North America, John W Harsh- 

 berger. Descriptions of new Land Snaiis of the Japa- 

 nese Empire, H. A. Pilsbry and J. Hirase. Three Odd 

 incidents in Ant-Life. Adele M. Fielde. The Reactions 

 of Ants to material Vibrations, Adele M. Fielde and 

 George H. Parker. New Chilopods, Ralph V. Ghamberlain . 

 Studies in the Orthopterous Subfamilies Acrydiina? 

 (Tettiginse), Eumastacinas and Proscopinse, James A. G. 

 Rehn. A new Centrifuge, Henry Emerson Wetherill. The 

 early development of Diaophilns: A St/u iyof Celi-Li- 

 neage (Plates XLIII-XLVin), James A. Nelson. The 

 development and strncture of the larva of Paragor- 

 dius (Plates LX1X-L), Thomas H. Montgomery. New, rare 

 or little known Scombroids, No. 1 (Píate LI) Henri II. 

 Fowler. Some practica! Color Te^ts, Henry Emerson 

 Wetherill. The Orthoptera of Thomas County, Georgia 

 and León County, James A. G. Rehn. Description of a 

 new species of Earth Wonn (Diplocardia longa) from 

 Georgia, J. Percy Moore. New Clausiliidse of the Japa- 

 nese Empire, Henry A. Pilsbry. 



