'258 



Ropiness in Milk, Bulletin No. 140, Michigan Experiment 

 Station. 



Cleanliness in Handling Milk, Bulletin No. 21, North 

 Dakota Experiment Station. 



The Relation of Water Supply to Animal Diseases, Bulle- 

 tin No. 70, Purdue University Experiment Station. 



Pasteurization of Milk and Cream for Direct Consump- 

 tion, Bulletin No. 44, Wisconsin Experiment Station. 



Zeitschrift fur Fleisch und Milchhygiene, by Ostertag. 



Centralblatt fur Bakteriologie, Parasitenkunde und Infee- 

 tionkrankheiten. 



