1919.] NATURAL SCIENCES OF PHILADELPHIA. 313 



Weekly excursions were made, except during July and August and 

 the winter months, to various localities, for collecting purposes. 



At the suggestion of Mr. H. F. Munro, a class in miscroscopic 

 technique has been formed and now meets once a month for the pur- 

 pose of giving instruction to non-members of the Section. The mem- 

 bership now numbers about twenty and is open to all applicants. 



Communications on various subjects have been made by the fol- 

 lowing members of the Section: Messrs. T. Chalkley Palmer, Hugo 

 Bilgram, B. F. Ray, Dr. Thomas Stewart, J. W. Palmer, John G. 

 Rothermel, Walter Palmer, F. J. Keeley, H. F. Munro, W. H. Van 

 Sickel and Charles S. Boyer. 



The following donations to the Sections are reported: 



From Miss Elizabeth S. Brown, the miscroscopical collection of 

 Dr. Amos P. Brown, including a Queen Acme microscope, a Leitz 

 mineralogical microscope, a Beck petrographical microscope, 

 twenty-four objectives, a series of accessories and an object cabinet 

 containing about twelve hundred mounted objects. 



From the Estate of Dr. Samuel G. Dixon, a mahogany object 

 cabinet, with about two hundred and seventy-five slides of Bacteria. 



The following have been elected officers for the year 1920: 



Director J. Cheston Morris, M. D, 



Vice-Director T. Chalkley Palmer 



Recorder Charles S. Boyer 



Corresponding Secretary Walter Palmer 



Treasurer Thomas S. Stewart, M. D. 



Conservator F. J, Keeley 



Charles S. Boyer, Recorder. 



Entomological Section. — The Section held the usual stated 

 meetings during the year, with an average attendance of eleven 

 persons. Wm. J. Coxey was elected a member and Robert L. 

 Haines, a Contributor. Interesting communications were made 

 by J. A. G. Rehn, PhiHp Laurent, J. H. West, J. C. Bradley, Henry 

 Skinner, W. J. Chamberlain, P. P. Calvert, Morgan Hebard and J. 

 J. Davis. 



The following officers and committees were elected to serve for 

 1920: 



Director Philip Laurent 



Vice-Director R. C. Williams, Jr. 



Treasurer E. T. Cresson 



