Contents : 



In Memoriam : Linnaeus Fussell, M. D., - Page 45 



Carbon and Silicon, By James G. Vail, - "59 



Eclipses, By Jacob B. Brown, - - "62 

 Does the Diatom Move in Darkness? By T. C. Palmer, " 70 



Evolution of the Musical Scale, By C. M. Broomall, " 78 



Minutes of Meetings, - - - - "84 



Institute Notes, - - - - "87 



