— 'Sfjl 



CONTENTS. 



Orang 



Outang. 



KiNGSLRY, J. S. Carcinological Notes, No. II.— Revision of the 



Gelasimi. (Continued) ...... 



Leidy, Jos., M. D. Remarks on Pond Life, . 

 Chapman, H. C, M. D. On the Structure of the 



(Plates 11 to 17). .... 



VoGDEs, Anthony W. Description of a New Crustacean from the 



Upper Silurian of Georgia, with remarks upon Calymene Clintoni, 

 Kingsley, J. S. Carcinological Notes, No. III.— Revision of the 



Genus Ocypoda, ...... 



Kingsley, J. S. Carcinological Notes, No. IV.— Synopsis of the 



Grapsidse, ••...... 



Rand, Theodoke D. Serpentine Belts of Radnor' Township, Dela- 

 ware Co., ••...... 



Allen, Harrison, M. D. On some Homologies in Bunodont 



Dentition, ••...... 



Hartman, W. D., M. D. Description of a Partula supposed to be 



New, from the Island of 3Ioorea, ..... 

 Barbeck, Wm. On the Development of Lemna Minor. (Plate 18), 

 Lockington, W. N. Description of a new species of Hemitripterus 



from Alaska, ........ 



Lockington, W. N. Description of a new species of Catostoraus 



(Catostomus cypho) from the Colorado River, 

 Proceedings op the Mineralogical and Geological Section op 

 THE Academy op Natural Sciences op Philadelphia : 



Lewis, H. C. A new Polariscope, . . . . . 



Lewis, H.C. A Garnet with Inverted Crystallization, . 



Jefferis, W. W. a new locality for Amethyst, . 



Jepperis, W. W. a new Corundum locality, 



Lewis, H. C. The Minerals of Surry Co., N. C, 



Cardeza, Dr. J. M. Fossil (?) Casts in Sandstone, 



Rand, Theo. D. On a peculiar Stratification in Gneiss, . 



Lewis, H. C. A new locality for Lignite, 



Lewis, H. C. On Serpentine in Bucks Co., 



Lewis, H. C. The Iron Ores and Lignite of the Montgomery 

 Co. Valley,^ •-..... 



Lewis, H. C . An Enclosure in Quartz, .... 



Jefferis, Wm. W. Menaccanite and Talc from Maryland, 



Jepperis, Wm. W. Sunstone in Labradorite, 



FooTE, A. E. On a probable Pseudomorphism of Gummite and 

 Uranotile after Uraninite, ...... 



Lewis, H, C. On a new Fucoidal Plant from the Trias, 



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v;. p. K!LD.'.RE, PR.. 734 t 73e Z.\NSOU. ST., PKtLAuA. 



