MINUTES OF MEETINGS. I 23 



February i8, 1909. — Adjourned meeting. Lecture, "A 

 New English Poet," by Prof . -Wilkie Nelson Collins, of the 

 Universit}' of Pennsylvania. 



February 25, 1909. — Adjourned meeting. Lecture, "The 

 Study of Language," by Henry L. Broomall. 



March 4, 1909. — Regular monthly meeting, with the 

 President, T. Chalkley Palmer, in the chair. Reports of 

 Curators and Committees and current business. Under scien- 

 tific communications C. M. Broomall presented a specimen of 

 pyrites in calcite from French Creek, Chester County, Pa. A 

 discussion followed concerning the pronunciation of the word 

 pyrites. It was shown that either "py-ri'-tes" or "py'-rites" 

 was correct. Albert S. Barker exhibited a specimen of A/v.ro- 

 7}?ycetes, or Slime Mould, and gave an interesting talk upon 

 its life history. Dr. B. M. Underbill presented to the Insti- 

 tute a collection of "hardware" taken from the stomach of 

 a six year old cow. The assortment comprised some twenty- 

 four pieces of wire, screws, iron nails, etc. One of the pieces 

 had caused the death of the animal by penetrating the walls 

 of the stomach and entering the heart. C. M. Broomall 

 spoke of the disappearance of marks made by surveyors' 

 chalk on fresh wood. The explanation was offered that it 

 might be caused by the presence of tannic acid in the wood. 

 The President exhibited a new English binocular microscope, 

 and explained its points of difference from other makes. 

 Meeting adjourned. 



March ii, 1909. — Adjourned meeting. Illustrated lec- 

 ture, "The Yellowstone Naticnial Park," by Dr. E. D. P'itch. 



March 18, ic;09. — Adj<jurned meeting. Lecture, "The 

 White Corpuscle," by Ralph L. Johnson, M. A. 



, March 25, 1909. — Adjourned meeting. Illustrated lec- 

 ture, " The Land of Dykes and Windmills," Dr. E. D. P'itch. 



