Contents : 



A Half Hour's Talk on Mineralogy, - Page i 



By Joseph Willcox 



A Familiar Talk on Delaware County Frogs, - "12 



By T. Chalkley Palmer 



Phonetic Characteristics of the English Verb, - "23 



By Henry L,. Broomall 



Minutes of Meetings, - - - - " 40 



Institute Notes, - - - - "42 



