LIST OF ILLUSTRATIONS. 



View of the front elevation of the building. (Frontispiece. ) 

 PLATE I. First floor plan. 

 II. Second floor plan. 



III. Plans of houses for rabbits and guinea pigs. 



IV. Plans of stable for seruin horses. 

 V. Plans of stable for vaccine calves. 



VI. Plans of houses for dogs, goats, sheep, and monkeys. 

 VII. Main entrance. 

 VIII. Front stairway. 

 IX. Rear view showing serum laboratory power house and stack. 



X. Babcock and Wilcox boilers. 



XI. Corner of boiler room showing fire pump, filters, etc. 

 XII. Corner of the engine room. 



XIII. Room in the chemical laboratory showing type of central desk. 



XIV. Room in the biological laboratory showing type of central desk. 

 XV. One of the larger hoods in the chemical laboratory. 



XVI. Type of room in chemical laboratory. 

 XVII. Main room devoted to physics and physical chemistry. 

 XVIII. Vacuum drying and distilling apparatus, etc. 

 XIX. Assay room. 

 XX. One of the balance rooms. 

 XXI. Corner of photographer's studio. 

 XXII. Library (central room). 



XXIII. Library (west alcove). 



XXIV. Library (east alcove). 



XXV. Showing metal stack in library. 

 XXVI. Library, showing one of reading tables. 

 XXVII. Floor plan of library rooms. 

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