l888.] NEW-YORK MICROSCOPICAL SOCIETY. 131 



PROGRAMME OF OBJECTS ANNOUNCED FOR EXHIBITION. 



1. The Abbe Stereoscopic Binocular Eye-Piece : exhibited 

 by Walter H. Mead. 



2. Cyclosis in Vallisneria, under a -^ Powell and Lealand ob- 

 jective, and the above-mentioned eye-piece : exhibited by 

 Walter H. Mead. 



3. "Acme" Microscope : exhibited by G. S. Woolman. 



4. A Zentmayer Pocket Microscope : exhibited by W. Wales. 



5. Bausch and Lomb's Concentric Microscope : exhibited by 

 H. W. Calef. 



6. A Microscopist's Box, home-made, containing necessary 

 articles and apparatus for work, mounting, etc.: exhibited by 

 F. W. Devoe. 



7. Fruit and Mycelium of Lentinus lepideus, Fr.: exhibited by 

 P. H. Dudley. 



8. Fruit and Mycelium of Trametes pini, Fr.: exhibited by 

 P. H. Dudley. 



9. A Heliostat, made after the model of the Fahrenheit 

 Heliostat : exhibited by P. H. Dudley. 



Nine slides, prepared and donated to the Cabinet of the 

 Society by Miss M. A. Booth : exhibited by C. S. Shultz, as 

 follows : — 



10 (i). Biddulphia pulchella, and B. Edwardsii ; South Sea. 



1 1 (2). Tricerattutn Javanicu?n ; Tangaroon Mt., Java. 



12 (3). Shell-scrapings ; Is. of Amboina, East Indian Archi- 

 pelago. 



13 (4). Diatoms of the Water-supply of Leipsic, Germany. 



14 (5). Diatoms from mud, found floating off the west coast 

 of South America. 



15 (6). Diatoms from mud, from Beaufort, North Carolina. 



16 (7). Aulacodiscus orientalis, and Chiuacosphonia monilifera ; 

 from the Sandwich Islands. 



17 (8). Diatoms from Santa Monica, California. 



18 (9). Spores and elaters of Liverwort, Conocephalus conicus. 



19. Podura-scale, under a tV Powell and Lealand objective : 

 exhibited by William G. DeWitt. 



20. Larva of Dermestes : exhibited by F. W. Leggett. 



21. A Microscope, with convenient appliances, and a compact 

 case : exhibited by Geo. P. Scott. 



