1890.] NEW-YORK MICROSCOPICAL SOCIETY. 13 



Meeting of November 15TH, 1889. 



The President, Mr. Charles F. Cox, in the chair. 



Forty persons present. 



Mr. Charles E. Pellew, E. M., delivered an Address on 

 "The Microscopical and Other Tests for Blood." This Ad- 

 dress was illustrated by many chemical experiments, conducted 

 by Mr. Pellew, and by many exhibits, under the direction of 

 Dr. George C. Freeborn and Messrs. G. Miiller, C. C. Carmalt 

 and C. F. W. McClure, as announced below. 



OBJECTS exhibited. 



1. Fresh human blood, in " Holman's Current-slide:" by 

 Charles F. Cox. 



2. Circulation of blood in lung of Frog : by Dr. George C, 

 Freeborn. 



3. Circulation of blood in mesentery of Frog : by Dr. 

 George C. Freeborn. 



4. Human blood in Leucocyth^emia, excess of white cells, 

 the number of red cells being reduced by bacteria. 



5. Human blood showing Plasmodium malarice in malarial 

 fever. 



6. Blood showing Bacillus of anthrax. 



7. Haemoglobin crystals from human blood dried six months. 



8. Hremoglobin crystals from fresh blood of White Rat. 



9. Blood of Black Bass, double stained. 



10. Blood of Robin, double stained. 



11. Blood of Frog, double stained. 



12. Diluted human blood on a " Blood-cell Counter." 



13. Fibrin from fresh human blood. 



14. Continuous spectrum. 



15. Spectrum of Oxy-Hcemoglobin. 



16. Spectrum of reduced Hremoglobin. 



17. Spectrum of Limestone. 



Exhibits, Nos. 4-17, inclusive, were under the care of 

 Messrs. Miiller, Carmalt and McClure. 



Dr. Freeborn described " Thoma's Frog-plates," employed 

 on the occasion. 



The thanks of the society were tendered Dr. Freeborn and 

 Messrs. Miiller, Carmalt and McClure for their assistance in the 

 matter of these exhibits. 



