CONTE^NTTS. 



LociviNGTON, W. N. List of the Fishes collected b}' Mr."\\ 

 J. Fisher, upon the coasts of Lower California, 1876-71 

 with descriptions of New Species, ... 



Buckley, S. T>. Quercus Durandii. . , . . 



Buckley, S. B. Quercus rul)ra L., var Texana. 



Buckley, S. B. Rhus cotinoides Nutt. 



Chapman, Henry C, M. I). Observations upon the Hippo 

 potamus. (Plates XI-XVL) .... 



Potts, E. Some new Genera of Fresh-Water Sponges. 



Heilprin, Angelo. Notes on the Tertiary Geology of the 

 Southern United States. ..... 



Meehan, Thomas. Sarcodes sanguinea. 



Meeman, Thomas. Talinum teretifoliuin. . 



McCoOK, Rev. Henry C. The Snare of the Ray Spider 

 (Epeira radiosa), a new form of Orb-web. 



Potts, Edw. A new form of Fresh-water Sponge. 



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

 Palseocrinoidea. Part IL . 



113 

 121 

 123 

 123 



12r, 



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151 

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724 U 781 SANSOM ST., I 



