LIST OF CONTRIBUTORS, 



With reference to the several articles contributed by each. 

 For Verbal Communications see General Index. 



Bergh, R. On the Nudibranchiate Gasteropod Mollusca of the North 



Pacific Ocean, with special reference to those of Alaska 71 



Binney, W. G. On the Land Shells of the Mexican Island of Guade- 

 loupe, collected by Dr. E. Palmer 16 



Chapman, H. C. On the Structure of the Chimpanzee 52 



Notes on the Amphiuma 144 



Placenta of Macacus Cynomolgus 146 



Cope, E. D. On the Genera of Felidse and Canida? 168 



Ellis, J. B. On the Variability of Sphasria Quercuum, Schw 66 



Reply to Dr. M. C. Cooke's criticism of paper on " Variability of 



Sphasria Quercuum, Sz." 381 



Garrett, Andrew. List of Land Shells inhabiting Rurutu, one of the 

 Austral Islands, with Remarks on their Synonymy, Geographical 



Range, and Descriptions of new Species 17 



Description of a new Species of Goniobranchus , 31 



Greene, Wm. H., and A. J. Parker. Note on Hyraceum 12, 379 



Heilprin, Angelo. On some new Eocene Fossils from the Claiborne 



Marine Formation of Alabama 211 



A comparison of the Eocene Mollusca of the Southeastern United 

 States and Western Europe in relation to the determination of 



identical Forms 217 



Kingsley, J. S. On a Collection of Crustacea from Virginia, North 

 Carolina, and Florida, with a Revision of the Genera of Crango- 



nidse and Palsemonidse 383 



Lockington, W. N. On a new Genus and Species of Sconibridse 133 



Lyon, Victor W. Description of three new Species of Calceolidae from 



the Upper Silurian Rocks of Kentucky 43 



Ryder, J. A. Morphological Notes on the Limbs of Amphiumidse as 



indicating a possible synonymy of the supposed Genera 14 



Further Notes on the Mechanical Genesis of Tooth-forms 47 



Description of a new Species of Chirocephalus 148 



Description of a new Branchipod 200 



Wachsmuth, Chas., and Frank Springer. Revision of the Palseocri- 



noidea 226 



/ & ~h -j. I 



