g6 SOUTHERN CALIFORNIA ACADEMY OE SCIENCES. 



were based upon au article in the Scientific American, written by Sir 

 Wni. Tliompsou, and were replete with mathematical intricacies, though 

 highly interesting. 



After a few remarks by the Chairman concerning the i^resent favor- 

 able attitude of Jupiter for observation, the meeting adjourned. 



^^lELVILLE DOZIEE, Secretarv. 



GEOLOGICAL SECTION. 



Los Angeles, Cal., September 28th, 1903. 



The Geological Section met at the Woman's Club rooms at 8 p. m. 



Chairman George W. Parsons called the meeting to order. 



The minutes of the last meeting were read and approved. 



The Chairman introduced Julius Koebig, Ph. D., as the speaker of 

 the evening. Prof. Koebig then addressed the meeting, taking for his 

 subject "The Deposits of Alkaline Salts," giving a history of all of 

 the well-known deposits of the world, and explained their method of 

 formation. He also stated that the alkaline salts of the world were im- 

 portant factors in many articles of commerce, giving several interest- 

 ing illustrations of the fact. His remarks were full of interest and a 

 vote of thanks was tendered Prof. Koebig for his lecture. 



G. MAJOE TABEE, Secretarv. 



BIOLOGICAL SECTION. 



September 14, 1903. 



The first meeting of the new year was called to order by the 

 Chairman, Prof. A. B. Ulrey. 



Dr A. D. Houghton, the speaker of the evening, was introduced 

 by the Chairman, who spoke on the breadth and scope of Biology. 



The lecture of the evening was on the Cactacea, and was illustrated 

 by a magnificent collection of the f)l3iits. It is only just to say that 

 the lecture was of high character, and that it means a great future for 

 this section, if if "sets the pace" for the present year. 



The lecture was discussed at some length by Dr. Davidson, and a 

 considerable number of questions were asked of the speaker. 



About forty members and visitors were present. 



The Section adjourned to meet again on October 12th. 



C. A. WHITIXG, Secretarv. 



