160 VETERINARY STATE BOARD 



Name three characteristic lesions of each of the following diseases: 

 hog cholera, anthrax, glanders. 

 Hog cholera : button ulcers in the intestines, hemorrhagic areas 

 and enlargement of the spleen and lymph-glands. 



Anthrax: Enlarged spleen, hemorrhages, black tarry blood, 

 showing little tendency to coagulate. 



Glanders : Typical nodules in lungs, ulcers and star-shaped cica- 

 trices on the nasal mucous membrane, hyperplasia of lymph-glands. 



Bacteriology 



Classify bacteria and give the name of the classification used. 

 Migula's classification: 

 I. Lower bacteria. 



A. Coccaceas. 



1. Streptococcus. 



2. Micrococcus. 



3. Sarcina. 



4. Planococcus. 



5. Planosarcina. 



B. Baeteriaceas. 



1. Bacterium. 



2. Bacillus. 



3. Pseudomonas. 



C. Spirillaceffi. 



1. Spirosoma. 



2. Microspira. 



3. Spirillum. 



4. Spirocheeta. 

 II. Higher bacteria. 



A. ChlamydobacteriaccEe. 



1. Streptothrix. 



2. Phragmidothrix. 



3. Crenothrix. 



4. Cladothrix. 



5. Thiothrix. 



B. Beggiatoceffi. 



1. Beggiatoa. 



Define (a) spore, (b) flagella, (c) complement. 



(a) The reproductive element of bacteria. Spores are very resist- 

 ant to the influence of temperature and the action of chemical agents. 



(b) Whip-like processes attached to the ends of, or all over, 

 certain microorganisms. They impart the power of motility to the 

 bacteria. 



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