1892.] THE MICEOSCOPE. 193 



Four sections of a new constitution were adopted, and the re- 

 mainder of the session was occupied with similar routine busi- 

 ness. As many of the most prominent members of the society 

 were expected to arrive in the afternoon, it was resolved to ad- 

 journ until evening. 



An invitation was received from the Bausch & Lomb Optical 

 Company to take electric cars, to be provided for the visitors, and 

 inspect the company's works. The matter was referred to the 

 local committee. 



Tuesday Evening. 



The evening session was devoted to the reading of the pres- 

 idential address. In spite of the extreme heat and the technical 

 nature of the subject there was a fair attendance at ]Music Hall. 

 The subject was ^' The Relation of the Microscope to the Ad- 

 ministration of Justice." 



Wednesday Morning. 



The first paper of the day was then read by Prof. Gage, on 

 ." Methods of Decalcification in which the Structural Elements 

 are Preserved." Prof. Gage gave a practical illustration of this 

 method, using part of the rib of a cat. 



Dr. VV. C. Krauss read a paper on the diagnosis of tumors. 



New members were elected as follows : Adolph Lomb, 

 Rochester ; S. A. Ellis, Rochester ; Dr. T. Eugene Oertel, 

 Washington ; E. F. Bigelow, Portland, Conn. ; Charles U. 

 Amelie, Rochester, Minn. ; Professor Bentley, Chicago, 111. 



The remainder of the session was occupied bv a discussion of 

 plans for a working session at the meeting at the World's Fair 

 next summer. 



Wednesday Afternoon. 



The society met at 3 o'clock in Sibley Hall and listened to a 

 very interesting lecture by Rev. D. W. Smith on '• Recent Re- 

 sults in Photomicrography by Improved Substage Illumination." 

 The lecture was illustrated with work done by the author. 



Dr. George M. Sternberg, U. S. A., gave a very entertaining 

 discourse on '' Photomicrographs by gas-light," illustrated with 

 lantern views. 



At 4 o'clock the microscopists enjoyed an excursion to Lake 

 Ontario. Supper was taken at the Hotel Ontario and speech - 

 making was the order of the day. 



Thursday Morning. 



Professor William A. Rogers, of Colby University, Waterville, 

 Me., read a paper on '• The Filar Micrometer." Professor Rog- 

 ers stated that in his work of investigating standards of length he 

 required a Filar micrometer of superior construction. Failing to 



