Journal 



OP THE 



NEW-YORK MICROSCOPICAL SOCIETY. 



Vol. I. NOVEMBER, 1885. No. 8. 



PROCEEDINCtS. 



Meeting of October 2D, 1885. 



The President, Mr. C. Van Brunt, in the chair. 

 Thirty-five persons present. 



OBJECTS exhibited. 



1. Volvox globator : by A. D. Balen. 



2. Hyalotheca : by W. G. De Witt. 



3. Robber-Fly, showing tracheae ; bleached in hydrogen per- 

 oxide : by Edward G. Day. 



4. Arranged Diatoms — Triceratium^ Actinocyclus, Heliopelia, 

 etc.; by dark-ground illumination : by C. S. Shultz. 



5. Diatoms from Lake Geneva — Odontidium hiemale, Diatoma 

 grande, Surirelhi Helvetica : by E. A. Schultze. 



6. Diatoms — a fresh-water fossil deposit ; by reflected light : 

 by C. Van Brunt. 



7. Seeds of Orthocarpus purpurascens : by G. S. Woolman. 



8. Silicified Wood from Arizona ; transverse and radial sec- 

 tions : by M. M. Le Brun. 



9. Barbed Awns of Achenia of Bidens frondosa, B. bipinnata, 

 and B. chrysanthemoides : by J. L. Zabriskie. 



10. Rutile in Ceylonese Moonstone : by Geo. F. Kunz. 



11. So-Called Mummies' Eyes, from Peru : by Geo. F. Kunz. 



12. A Microphotograph : by F. W. Devoe. 



diatoms from lake geneva. 

 Mr. E. A. Schultze : " I collected my specimens of Lake 

 Geneva diatoms at the base of the Castle of Chillon. Diatoms 

 exist there in great abundance and purity, adhering to the rock. 

 The upper part of the lake is rich in these forms, and the species 

 occurring there are different from those inhabiting the waters of 

 the lower part near the city of Geneva. Besides diatoms I 



