:m 



Contents : 

 In Memoriam : Jacob B. Brown, - - Page 49 



The Gyroscope, By C. M. Broomall, 



Irish Poetry, By Prof. John Russell Hayes, 



Botanical Names, By Linnaeus Fussell, M. D., 



A Fresh Water Jelly Fish from Delaware County, Pa., 

 By Edward Potts 



Report, Naturalists* Union Mid-Winter Meeting, 



Minutes of Meetings, . . . . 



Institute Notes, . . . . 



55 

 68 



71 

 77 



83 

 86 



89 



