1891.] MICEOSCOPICAL JOUKNAL. 199 



tion. The proposition to distribute the vohimes on hand to different 

 Hbraries was referred to a committee. The committee on pubhcation 

 was instructed to consider and report at a future meeting upon the advi- 

 sability of publishing an organ of the Society. 



Dr. L. D. Mcintosh having in charge the proposed exhibit at the 

 World's Fair, submitted a report of progress, in which he detailed what 

 the Commissioners would do for the scientists. Dr. Mcintosh's com- 

 mittee was continued. After discussion, Profs. Claypole, Gage, and 

 Burrill were appointed a committee to consider the feasibility of induc- 

 ing American manufacturers to make their microscopes of the same 

 standard, so that the users of these instruments would not be troubled 

 as tbey are now with parts that are not interchangeable. 



Thursday Morning. 



Secretary Seaman announced that the executive committee had taken 

 favorable action vipon the following names, in addition to those read 

 yesterday : Dr. Henry A. Robbins, Washington, D. C. ; Frank Zent- 

 mayer, Philadelphia ; Dr. George N. Acker, Washington, D. C. ; Frank 

 Patrick, Topeka, Kansas ; Geo. Swainson, Nevada, Missouri. These 

 were unanimously elected inembers of the Society. 



The first paper read at the session this morning was the joint produc- 

 tion of Prof. Simon H. and Susannah P. Gage, on " Comparison of 

 the Epithelium of the Mouth in Necturus and Diemyctelus." It was 

 read by Mrs. Gage, who showed herself thoroughly conversant with all 

 the phases of her subject, and at the conclusion of her paper she -was 

 called upon to -answer a number of questions with reference to certain 

 points upon which she had dwelt in her essay. Prof. Gage, who began 

 by saying that while it was stated that the paper was a collaboration he 

 really had not know^n what was in it until he had heard it read, added 

 some interesting comments upon the paper. 



Prof. Wm. H. Seaman, the .Secretary of the Society, read a lengthy 

 treatise on " The Phosphorescent Organs of Fireflies." 



Dr. Deck explained a simple form of heliostat, which he had in- 

 vented as a result of his own needs in photo-microscopy. It was ar- 

 ranged on the principle of the equatorial telescope. 



"ABrief Account of the Microscopical Anatomy of a Case of Chrome 

 Lead Poisoning" was the subject of an essay by A. Miss Vida Latham. 

 She told of the death of a woman from lead poisoning. The woman 

 was the wife of a plumber and bi^ass founder. She frequently assisted 

 about the shop, and lived in an adjoining room, so that she came under 

 the influence of the dread poisoning. Miss Latham gave a graphic ac- 

 count of the illness and death of the patient and of the microscopical 

 examination that was made subsequent to an incomplete autopsy. 



After a recess of five minutes the nominating committee reported the 

 following nominations for the ensuing year: President, Marshall D. 

 Ewell, of Chicago ; vice-presidents. Dr. Robert Reyburn, Washington, 

 D. C, and R. J. Nunn, Savannah, Ga. ; members of the executive 

 committee : Dr. J. A. Miller, Buffalo ; E. W. Claypole, Akron, Ohio, 

 and Dr. J. M. Lamb, Washington, D. C. The secretary, Mr. W. H. 

 Seaman, and the treasurer, Mr. C. C. Mellor, hold over in oflJice until 

 1S93. 



A second recess was taken in order that the Washino-ton members of 



