Tntrodiiiiory. 5 



Jan. 4, 1878. — The examination of Drinking Water, b)' R. 

 Hitchcock. 



Jan. 18. — Angular Aperture, by R. Hitchcock. 



A Private Letter from Rev. W. H. Dallinger, read by John 

 Phin. Am. Journ. Mic, July, 1878, p. 154. 



Feb. I. — The use of Salicylic Acid in Mounting, by R. 

 Hitchcock. 



Feb. 15.— The Combination Whirling Table of W. H. Bul- 

 loch, described by the Secretary. Am. Journ. Mic, March, 

 1878, p. 60. 



March i. — A new Mounting Bottle for Canada Balsam, by 

 A. A. Julien. Am. Journ. Mic, April, 1878. 



March 15. — A Cheap Collecting Outfit, by R. Hitchcock. 



April 5. — Stings of the Hymenoptera, by J. D. Hyatt. Pre- 

 liminary note. 



May 3. — Society Work, by the Secretary. 



May 17. — Stings of the Hymenoptera, by J. D. Hyatt. Addi- 

 tional note. 



May 17. — Angular Aperture, by R. Hitchcock. Am. Journ. 

 Mic, June, 1878, p. 130. 



June 17. — Recent Observations in Microscopical Lithology, 

 by A. A. Julien. 



The following donations and exchanges have been received : 



SLIDES. 



R. Hitchcock. 



Santonine. Polariscope object. 



Salicine. 

 J. D. Hyatt. 



Marine alga, Ftilota. Cape Ann, Mass. 



Palate of Snail. Bucciniuni obsoletum. Harlem River. 

 John L. Wall. 



Passiflora civrulea. Portion of leaf stained. 



Zea mays. " " " 



Dcutzia scabra. " " " 



Salisburia adiantifolia. " " " 



Deutsia gracilis. " .... . 



Eucalyptus globulus. " " " 



R. Hitchcock. 



Foraminifera from Bermuda. Opaque. 

 D. Bryce Scott. 



Foraminifera from chalk. 



opaque. 



