Ju [May 15, 



Letters of acknowledgment were received from the Linnaean 

 Society of New South Wales, Sydney (130) ; Rhode Island 

 Historical Society, Providence (134) ; Prof. 0. N. Rood, New 

 York Academy of Sciences (134); Dr. Morris Longstreth, 

 Messrs. John R. Baker, J. S. Harris, George de B. Keim, 

 George Stuart, College of Pharmacy, Philadelphia (134); 

 State Library of Pennsylvania, Harrisburg (134) ; Mr. John 

 F. Carll, Pleasantville (134); Prof. J. T. Rothrock, AVest 

 Chester (134); Wyoming Historical and Geological So- 

 ciety, Wilkesbarrc (134); Signal Office, Washington (131, 

 132, 133, and Transactions xvi, 1, 2, 3) ; Leander Mc- 

 Cormick Observatory, University of Virginia (134) ; Denison 

 Scientific Association, Granville, 0. (134) ; Davenport Acad- 

 emy of Sciences, Davenport, Iowa (134) ; Observatorio Na- 

 cional de Tacubaya, Sociedad Cientifica " Antonio Alzate," 

 Mexico (134) ; Museo Michoacano, Morelia ; Bishop Crescen- 

 do Carrillo, Merida, Yucatan (134). 



Dr. Ruschenberger read an obituary notice of the late Dr. 

 Gouverneur Emerson. 



The death of Julius E. Hilgard (Washington, D. C), May 2, 

 1891, was announced. 



The President reported that he had appointed Dr. Ruschen- 

 berger to prepare the obituary notice of the late Dr. Leidy, 

 and Prof. Barker that of the late Dr. LeConte (Berkeley, 

 Cal.). 



Mr. R. Meade Bache read a paper entitled " A Fragment of 

 Objectionable University-Extension Teaching." 



The minutes of the Board of Officers and Council were sub- 

 mitted. 



Pending nominations Nos. 1220, 1221, 1222, 1223, 1224, 

 1225, 1226, 1227, 1228 and 1229 were read, spoken to and 

 balloted for. 



At the call of Committees, Prof. E. J. Houston, Chairman, 

 reported a minute of resolutions adopted at the last meeting 

 of the Committee on Library, but the hour of 10 p.m. having 

 arrived, after which, by the laws of the Society (Chapter ix, 

 § 5), it is not permitted to take up new business, the considera- 



