CONTENTS. 



PAGE. 



LEIDY, Joseph, M. D. On several Gregarines, and a singular mode of conjugation 



of one of them. ............ 9 



Koenig, George A. On Anhydrite 11 



Shufeldt, R. W. Observations upon the development of the skull in Neotoma 



fuscipes ; a contribution to the Morphology of the Rodentia. (Plates I, II.) . 14 



Leidy, Joseph, M. D. The Sabre-tooth Tiger of Florida 29 



Ives, J. E. Linguatula Diesingii from the Sooty Mangabey. ..... 31 



Eyerman, John. Notes on geology and mineralogy. ...... 32 



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



from the Galapagos Islands. . . ' . . . . . . . .3(1 



Wili.iston, S. W., M. D. The Sternalis muscle .38 



Meek, Seth, E. and Charles H. Bollman. Note on Elagatis bipinnulatus. . . 42 

 Leidy, Joseph. Note on Gonyleptes and Solpuga. ....... 45 



Koenig; George A. Mazapilite, a new mineral species. ..... 45 



Wingate, Harold. Tilmadoche compacta, Wing., n. sp. 48 



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



Meehan Thomas. Contributions to the life-histories of plants, No. IV. On second 

 inflorescence. Note on Pinus pungens and its allies. On Corydalis flavula D. C 

 Dimorphism in Polygona. On the nature and office of Stipules. On paralle 

 habits in allied species from widely separated localities. 



Wilson, William P. The production of aerating organs on the roots of swamp and 



other plants. .......... 



Leidy, Joseph, M. D. The boring-sponge, Cliona. 



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



Stone, Witmer. On Pratincola salax Verr., and allied species. 



Pilsbry, Henry A. New and little-known American Molluscs. No. 1. (Plate III.) 



Hartman, W. D., M. D. New species of shells from New Hebrides. (Plate V.) 



Leidy, Joseph, M. D. A parasitic Copepod. ....... 



Leidy, Joseph, M. D. Fossil vertebrates from Florida. ... . 



Marx, Geo., M. D. A contribution to the knowledge of the spider Fauna of the 



Bermuda Islands. (Plate IV.) . . . • . " . 



McMuRRlCH, J. Playeair, Ph. D. A contribution to the Actinology of the Bermudas 



(Plates VI, VII.) 



Bollman, Charles II. Notes on a small collection of Myriapods from the Bermuda 



Islands. .............. 



53 



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 96 



98 



102 



126 



