IV LIST OF CONTRIBUTORS. 



Median, T. Obituary Notice of Ellas Durand 355 



Newberry, J. S. Notes on the Genus Conchiopsis, Cope 425 



Stearns, R. E. C. Descriptions of New Marine Shells from the West 



Coast of Florida 344 



Thomas, C. Descriptions of new species of Orthoptera collected in 



Nevada, Utah, and Arizona by the Expedition under Lieut. Geo. 



M. Wheeler 295 



