LIST OF CONTRIBUTORS. 



With reference to the several articles contributed by each. 



For Verbal Communications see General Index. 



Allen, Harrison, M. D. On the Taxonomic Values of the Wing Membranes 

 and of the Terminal Phalanges of the Digits in the Cheiroptera (Plate 

 X) 313 



Baker, F. C. Notes on the Food of Birds 266 



Remarks upon the Round-Tailed Muskrat, Neofiber Alleni, True 271 



Bollman, Charles H. Notes on a small Collection of Myriapods from the 



Bermuda Islands 127 



Brinton, Daniel G., M. D. On a Petroglyph from the Island of St. Vincent, 



W. 1 417 



Brown, Arthur Erwin. Description of a new Species of Eutasnia 421 



Dall, W. H. Notes on the Anatomy of Pholas (Barnea) costata and Zirphrea 



crispala, Lin 274 



Eyerman, John. Notes on Geology and Mineralogy 32 



Gardiner, John and L. J. K. Brace. Provisional List of the Plants of the 



Bahama Islands 349 



Genth, F. A. On two Minerals from Delaware County, Pa 50 



Goldsmith, E. Gadolinite from Llano Co., Texas 164 



Hartman, W. D., M. D. New Species of Shells from New Hebrides (Plate 



V) 91 



Pleilprin, Angelo. On some new Species of Mollusca from the Bermuda Is- 

 lands (Plate VIII) 141 



Ives, J. E. Variations in Ophiura Panamensis and Ophiura teres 76 



On a new Genus and two new Species of Ophiurans 143 



Catalogue of the Asteroidea and Ophiuroidea in the Collection of the 

 Academy of Natural Sciences of Philadelphia 169 



Jordan, David S. and Bert Fesler. Description of a new species of Ortho- 



pristis from the Galapagos Islands 36 



Keyes, Charles R. Lower Carbonic Gasteropoda from Burlington, Iowa 284 



The American Species of Polyphemopsis 299 



Sphrerodoma : a Genus of Fossil Gasteropods 303 



Kirsch, Philip H. A Review of the European and American Uranoscopidse 



or Star-Gazers 258 



Kirsch, Philip H. and Morton W. Fordice. A Review of the American Spe- 

 cies of Sturgeons (Acipenseridas) -. 245 



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