PROCEEDINGS. XLI 



Dr. Theobald Smith exhibited A SIMPLE DEVICE FOR STOR 

 ING COVER-GLASSES ILLUSTRATIVE OF BACTERIAL DISEASE. 



Dr. W. S. Barnard explained A NEW METHOD OF MOUNTING 

 GLASS SPECIMEN TUBES. Punched wads of some material that 

 is proof against insects and fluids were recommended as stoppers 

 for specimen tubes, being both economical and efficient. The 

 tubes are mounted on tablets or labels by means of sheet-metal 

 end clips which also serve to hold in the stopper ; several different 

 styles were exhibited. 



Dr. C. Hart Merriam read a paper on THE WORK OF THE U. 

 S. DEPARTMENT OF AGRICULTURE IN ECONOMIC ORNITHOLOGY. 



Mr. C. D. WVtlcott made a communication upon EVIDENCE OF 

 THE Loss OF VITAL FORCE IN CERTAIN TRILOBITES ON AP 

 PROACHING EXTINCTION. 



Mr. F. W. True presented A NEW STUDY OF THE AMERICAN 

 POCKET RATS, GENUS DIPODOMYS. 



EIGHT Y-FIFTH MEETING, December 12, 1885. 



The President occupied the chair. 



Dr. J. M. Flint, U. S. N., read a paper entitled THE COLLEC 

 TION AND METHOD OF STUDYING FORAMINIFERA, exhibiting 

 representative specimens from the dredgings of the U. S. Fish 

 Commission Steamer Albatross. 



Mr. Romyn Hitchcock made a communication upon THE RED 

 SNOW,* showing specimens derived from several sources. 



Dr. W. S. Barnard spoke upon ENVIRONMENTAL DIGESTION. 



Prof. C. V. Riley presented a paper entitled THE MILDEWS 

 OF THE GRAPE VINE.| 



EIGHTY-SIXTH MEETING, December 26, 1885. 



The President occupied the chair, and twenty-five members 

 were present. 



* 1885. The Red Snow. <Am. Monthlj' Micr. Jour., vi, pp. 221-224. 



t RILEY, C. V. The Mildews of the Grape Vine. An effectual remedy 

 for thePeronospora. <Rural New Yorker, Feb. 6, 1886, illustrated. (Also 

 separate reprint). 



