SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 103 



live lecture on "Explosives, Their Manufacture, etc.," exhibiting sam- 

 ples. 



December 28, President Theo. B. Comstock delivered a highly in- 

 ■structive and en'tertaining lecture on "Physical Geography and Geology 

 of Brazil." 



January 25, 1904, Mr. E. M. Wade gave a talk on "Eadium," 

 ■exhibiting the millionth part of a grain, and was followed by Dr. 

 Arthur Hougihiton on " Eiadio-Activixy of Metals." 



FeiBruary 22, Prof. Frank I. Shepard of University of California 

 read a very inteTesting paper on "The Chemical Geology of Sedimentary 

 Deposits." 



April 25, Mr. G. Major Taber had a paper on "Mineral Formation 

 and Crystalization, " and exhibited several specimens. President Corn- 

 stock followed, treating the subject from a scientific standpoint. 



May 23, Ex-President Wm. H. Knight read an initeresting poem on 

 the Tribolite, and Mrs. Charles Nelson Green of Colorado gave a very 

 interesting paper on the ' ' Cliff Dwellers of the Southwest. ' ' 



Owing to the inclemency of the weather, the meeting intended for 

 March was necessarily postponed. We sihall hope in the coming year 

 to make all meetings of still more value and interest than they have 

 been in the past. 



G. MAJOR TABER, Secretary. 



GEO. W. PARSONS, Chairman. 



Publications Received 



"Some Miscellaneous Results of the Woa-k of the Division of Ento- 

 mology." Entomology Bulletin No. 44 U. S. Department of Agriculture, 



' ' Carnegie Museum Annual Report, 1904. ' ' Pittsburgh, Pa. 



"The Farm Separator." U. S. Department of Agriculture, Bureau of 

 Animal Industrj-, Bulletin No. 59. 



"The Southwest Society of the Archaeological Institute of America. " 

 "Something About Its Aims and Its First Year's Work." 



"A List of the Publications of the U. S. National Museum." 

 Smithsonian Institute Bulletin No. 51. 



"A Fossil Egg From Arizona." University of California, Geology, 

 Bulletin No. 19. 



" Eueeratherium, a Js'ew Ungulate From the Quaternary Caves of 

 California." University of California, Geology, Bulletin No. 20. 



"Report on the Habits of the Guatemalan Cotton-BoU-Weevil Ant." 

 U. S. Department of Agriculture, Entomology, No. 49. 



* ' The Useful Properties of Clays. ' ' U. S. Department of Agriculture, 

 Circular 17. 



"Methods for the Detection of Renovated Butter." U.S. Depart- 

 ment of Agriculture, Circular 19. 



' ' Parergones del Institute Geologico de Mexico. ' ' Tomo I, No. 2, 

 pp. 3-26, 3 PL, 1904. I. ' ' Notes on Physiography, Geology and Hydrology 

 of Lower California." By Dr. Ernest Angermann. (Translation.) H. 

 "Area Covered by the Eruption of the Volcano Santa Maria, October, 

 1902." By Dr. Emilio Boese. (Translation.) 



"Annals of Carnegie Museum" (Pittsburgh). Vol. II, No. 4. Au- 

 gust, 1904. 



' ' Mining. Magazine. ' ' New York, Sept., 1904. Vol. X, No. 3. 



"American Journal of Archaeologv. " 2nd Ser. .July-September, 

 1904. Vol. VIII, No. 3. 



