Record. xxiii 



a combination coagulating and filtering system would have to 

 be used to purify the water for St. Louis. 



Mr. Julius Pitzman, of St. Louis, was elected an active 

 member. 



May 16, 1898. 



President Engler in the chair, thirteen persons present. 



Mr. J. A. Seddon delivered an informal address on Floods 

 in the Mississippi System. He discussed the floods of the 

 Missouri and upper Mississippi rivers with regard to their 

 relations to one another and to the floods of the lower Missis- 

 sippi. He spoke of the great damage done by the floods to 

 plantations and towns on the banks of the lower Mississippi, 

 and of the means to be adopted for controlling the floods and 

 preventing, as far as possible, this damage. His remarks 

 were illustrated by maps and diagrams showing the flooded 

 regions and the various quantities of water discharged by the 

 rivers at different stages. 



One person was proposed for active membership. 



June 6, 1898. 



President Engler in the chair, nineteen persons present. 



Dr. Amand Ravold read a paper on Consumption from an 

 Economic and Humanitarian Standpoint. He quoted statistics 

 showing the yearly loss of life by consumption in St. Louis, 

 and stated that on account of disabilities and deaths by con- 

 sumption the loss to the city was not less than one and one- 

 half million dollars yearly. He said that he did not believe in 

 the isolation of consumptives, as the communication of the 

 disease to well persons could be prevented by the exercise of 

 simple sanitary precautions. He condemned the habit of spit- 

 ting as unnecessary, dirty, and detrimental to the health of 

 the community. 



Dr. Howard Carter made a few remarks in regard to the 

 occurrence of tuberculi in milk, and the danger of using milk 

 from unhealthy cows. 



Mr. Carl Kinsley showed the different methods of deter- 

 mining the frequency of an alternating current, and dem- 



