LIST OF CONTRIBUTORS. 



With reference to the several articles contributed by each. 



For Verbal Communications see General Index. 



PAGE. 



Aaron, S. Frank. On some new Psocidse 13 



Arthur, J. C. History and Biology of Pear Blight 323 



Eigenmann, Carl H. A review of the American Gasterosteidse 233 



Everman , Barton W . and Seth E . 3Ieek. A revision of the American 



Species of the Genus Gerres 256 



Genth, F. A., Ph. D. On an undescribed Meteoric Iron from East 



Tennessee 360 



Hartman, W. D., M. D. New Species of Partula from the New 



Hebrides and Solomon Islands 30 



Heilprin, Angelo. Notes on the Tertiary Geology and Paleontology 



of the Southern United States 57 



Holmau, Lillie E. Observations on Multiplication in Amoeba} 346 



Koenig, Geo, A., Ph. D. On Schorlomite as a Variety of Melanite. .. 355 



Leidy, Joseph, M. D. Notices of Nematoid Worms 308 



McCormick, Calvin. The Inclusions in the Granite of Craftsbury, Vt. 19 



Meehan, Thomas. On the Fertilization of Cassia Marilandica 314 



Morris, Charles. Methods of Defense in Organisms 25 



Reverse Vision 302 



Osborn, Henry F., Sc. D. Qbservations upon the Upper Triassic 



Mammals, Droraotherium and Microconodon 359 



Rominger, C. On the Minute Structure of Stromatopora and its Allies, 39 



Vasey, George. Notes on the Paspali of Leconte's Monograph 284 



IVachsmuth, Charles, and Frank Springer. Revision of the Palaeocri 



noidea. Part III, Section II 64 







/ (f- 2- V / 



