42 DEPARTMENTAL REPORTS. 



(c) Plaster and wax models of diseased animal organs, to illustrate the lesions 



found in various diseases. 



(d) Specimens of tissues and organs in preserving fluid, showing the lesions of 



different diseases aftecting animals. 



(e) Cultures of pathogenic bacteria. 



(/) Specimens of animal parasites, preserved in alcohol. 



Ig) Products of bacteria, toxins and antitoxins, mallein and tuberculin. 



(Ji) Case of 60 transparent photographs, showing tissues and organs affected with 

 various diseases, magnifications of slide preparations of pathogenic micro- 

 organisms, and enlarged views of animal parasites. 



Series 8 illustrates the dairy exhibit. 



(a) Composition of milk and its products; one gallon of milk and its component 

 parts: one tub of butter (10 pounds) and its component parts; one chee.e 

 (10 pounds) and its component parts. 



(6) Samples of the commercial forms of the by-products of the dairy, and articles 

 showing their application. 

 Casein, albumen, and milk sugar, with their commercial forms and applica- 

 tions, illustrative of the economic uses of the by-products of dairying. 

 "Nutrium," the nonfatty solids of milk, in a pure, dry. imperishable form, 

 but soluble and digestible, for use as a human food, and especially in baking 

 and bakery products, illustrative of the economic uses of the by-products of 

 dairying. 



(c) A complete collection of modern cans, models, bottles, buckets, brushes, etc., 



both domestic and foreign, which are essential to clean dairying. 



A large collection of milk cans and dairy hardware, good material and work- . 

 manship, with consequent efficiency and durability. 



Models and material illustrative of methods and appliances for a pure, sani- 

 tary milk supply. 



(d) General collection of commercial packages for milk and butter, of most 



approved forms, in use in the United States and foreign countries, showing 

 advancement of the market features of the dairy industry. 



(e) Collection of 84 models illustrating foreign forms of cheese. 

 (/) Photographs of model dairies. 



