Ixxi 



would probably be warm, as in his experience a warm Decem- 

 ber is usually followed by a warm January and February. 



Dr. Todd remarked that at St. Mary's, Canada, the drouth was 

 so marked that the deep vegetable mould forming the soil burned 

 in immense quantities, endangering buildings. 



Election of officers for the ensuing year was then held, result- 

 ing as follows : 



President — George Engelmann. 



First Vice President — James M. Leete. 



Second Vice President — M. L. Gray. 



Corresponding Secretary — Nathaniel Holmes. 

 Recording Secretary — Francis E. Nipher. 



Treasurer — Enno Sander. 

 Librarian — Gustave Hambach. 



Curators — Gustave Hambach, Edw. Evers, A. Leonhard. 



On motion of Dr. Sander, it was voted that Dr. Gustave Ham- 

 bach be made a life-member of the Academy. 



Dr. Sander explained that the motion was made as a recogni- 

 tion of the service which Dr. Hambach had rendered in arrang- 

 ing the library. 



The motion was unanimously carried. 



January i6, 1882. 



Dr. Engelmann in the chair. Eight members present. 



W. B. Potter exhibited a collection of native metals, mostly 

 gold, silver and copper, exhibiting characteristics of their ocur- 

 rence. 



Dr. Engelmann made a few remarks on the hot springs of 

 Colorado : 



The best and longest known are those of Idaho and Clear Springs, 

 although they were smaller and much less important than others. Their 

 temperature is about 100°, and the largest ingredient, as in all the springs 

 of Colorado, hot and cold, is carbonate of soda. Some contain iron, oth- 

 ers hydric sulphide, and others common salt, and some a slight mixture of 

 purgative salt such as sulphates of magnesia or soda, but in small quan- 

 tities. 



At Canyon City, where the Arkansas breaks through the famous gorge, 

 is another spring. These springs usually appear where the granitic rocks 



