486 



SCIENCE 



[N. S. Vol. XLIX. No. 1273 



L. E. Wyman, secretary, 3927 Wisconsin St., Los 

 Angeles, Calif. 



The Cooper Ornithological Club will hold 

 joint sessions with the Western Society of 



Naturalists. 



COEDILLERAN SECTION, GEOLOGICAL SOCIETT OF 

 AMEEICA 



Henry Landes, president, University of Washing- 

 ton, Seattle, Wash. 



Charles E. Weaver, secretary. University of Wash- 

 ington, Seattle, Wash. 



A meeting will be held of the Cordilleran 

 Section of the Geological Society of America, 

 the details of which will be announced later. 



ECOLOGICAL SOCrETT OP AMEEICA 



Barrington Moore, president, American Museum of 

 Natural History, New York, N. Y. 



Thomas L. HanMnson, vice-president. Eastern Illi- 

 nois State Normal School, Charleston, 111. 



!Forrest Shreve, secretary-treasurer. Desert Labora- 

 tory of the Carnegie Institution, Tucson, Arizona. 



A meeting of the Ecological Society of 

 America will be held at Throop College. 



A joint session with the Western Society 

 of Naturalists, for the reading of invited 

 papers, has already been planned. Two trips 

 have been arranged for June 21, one to 

 Mount Wilson and the Observatory of the 

 Carnegie Institution, and one to the rich 

 fossil deposits at Eancho La Brea. 



PACIFIC COAST BRANCH, PALEONTOLOGICAL SOCIETT 



Bruce L. Clark, president, University of California, 

 Berkeley, Calif. 



Chester Stock, vice-president. University of Cali- 

 fornia, Berkeley, CaUf. 



Chester Stock, secretary-treasurer. University of 

 California, Berkeley, Calif. 



The Pacific Coast Branch of the Paleon- 

 tological Society will hold its meeting in con- 

 junction with that of the Cordilleran Section 

 of the Geological Society of America. The 

 program to be presented will be announced 

 at a later date. 



PACIFIC SLOPE BRANCH, AMERICAN ASSOCIATION OF 

 ECONOMIC ENTOMOLOGISTS 



H. J. Quayle, chairman, Eiverside, Calif. 

 E. O. Essig, secretary, Ventura, Calif. 



The annual meeting of the Pacific Slope 

 Branch of the American Association of Eco- 

 nomic Entomologists wiU be held this year 

 at the Citrus Experiment Station, Riverside, 

 California, May 28-29, in connection with the 

 California Fruit Growers' Convention. It is 

 expected that many members will arrange to 

 attend the meeting of the Pacific Division 



SEISMOLOGICAL SOCIETY OF AMEEICA 



C. F. Marvin, president, U. S. Weather Bureau, 

 Washington, D. C. 



C. P. Tolman, Jr., first vice-president, Stanford 

 University, Calif. 



Otto Klotz, second vice-president. Dominion Astro- 

 nomical Observatory, Ottawa, Canada. 



H. O. Wood, tliird vice-president, Cosmos Club, 

 Washington, D. C. 



S. D. Townley, secretary-treasurer, Stanford Uni- 

 versity, Calif. 



The sessions of the Seismological Society 

 will be correlated with those of the Cordil- 

 leran Section of the Geological Society of 

 America and of the Pacific Coast Branch of 

 the Paleontological Society, but the exact 

 time of the meetings has not yet been deter- 

 mined. Several papers have been promised 

 for the meeting of the Seismological Society 

 and it is expected that an interesting pro- 

 gram will be presented. 



SIEEEA CLUB 



Wm. E. Colby, president, 402 MiUs Building, San 

 Francisco, Calif. 



Vernon L. Kellogg, vice-president, Stanford Uni- 

 versity, Calif. 



J. N. LeConte, secretary, Berkeley, Calif. 



Marion Randall Parsons, treasurer, Berkeley, Calif. 



The Southern California Section of the 

 Sierra Club will arrange an outing in the 

 vicinity of Pasadena that will permit of at- 

 tendance upon the meetings of the Pacific 

 Division by the members. A future an- 

 nouncement wiU give details of the outing. 



SOUTHERN CALIFORNIA SECTION, AMERICAN CHEMICAL 

 SOCIETT 



W. L. Hardin, president. 

 H. J. Lucas, vice-president. 

 J. S. Carman, treasurer. 



