556 PROCEEDINGS OP THE SOCIETY. 



He thought, therefore, that the opinion expressed received confirma- 

 tion from the effect produced by an object which they knew for certain 

 consisted of globules of silex. 



Dr. Stolterfoth's paper " On a New Species of Hydrosera 

 (Wallich) " was read by Mr. Stewart (see p. 424). 



Professor Abbe's notes on some points connected with stereo- 

 scopic vision were read and explained by Mr. Crisp. 



Some discussion ensued, more particularly as to the proper use of 

 the term " stereoscopic vision," in which Mr. Beck, Mr. Crisp, Mr. 

 Curties, the President, and Mr. Ingpen took part. 



Mr. James Smith, exhibited and described two pieces of apparatus 

 which he had shown at the last Scientific Evening of the Society. 



The following Instruments, Objects, &c., were exhibited : — 



Mr. Crisji — (1) Houston's Botanical Microscope (see p. 514). 

 (2) Nachet's Binocular Dissecting Microscope. (3) Verick's Skin 

 Microscope (see p. 516). (4) Slides from the ^Naples Zoological 

 Station. 



Mr. Curties — Seibert's Polarizing Microscope. 



Mr. J. Smith — The Apparatus referred to above. 



Dr. H. Stolterfoth — Hydrosera tricoronata n. sp. 



New Fellows. — The following were elected Ordinary Fellows : — 

 Messrs. C. F. Cox, E. J. Parker, G. S. V. Wills, and B. W. Wood. 



