10 PLATES, 



PLATE VI. 

 l. 



BACILLI TUBERCULOSIS IN LUNG OF HORSE. X 750. Preparation by W. 



Watson Cheyne, F.R.C.S. 

 Stains Bacilli-red. 

 Tissues Pale-blue and yellow. 

 Screen Deep yellow. Objective 3 mm. apo. used at 



N.A. 1. 



Ocular Projection No. 3. 

 Condenser Powell and Lealand, 



used dry. 

 Light Lime. 

 Plate " Isochromatic." 

 Exposure Z% minutes. 

 Development Q u i n o 1 (hydro- 

 quinone) and caustic soda. 



2. 



B. TUBERCULOSIS BY INOCULATION. LUNG OF RABBIT. X 600. Prepara- 

 tion by E. Klein, M.D., F.R.S. 



Stain Red and blue. Objective 3 mm. apo. 



Screen Medium yellow. Ocular Projection No. 3. 



Condenser N. A. I. 

 Light Lime. 

 Plate Eosin. 

 Exposure ^ minute. 

 Development Quinol raustic. 



The reader is requested to note that these illustrations are given not 

 as perfect specimens of work, nor as the best that have been produced by 

 the author ; they are given to illustrate various types of subjects and 

 varied treatment. 



Fig. 2 of Plate VI. is not a good representation of the original negative. 



