Vol. X] 



GRUNSKY— PRESIDENT'S REPORT FOR 19^0 



121 



Vol. X, No. V, pp. 35-46 



Undescribed Tipulid.t, (Diptera) from Western North America, 

 by Charles P. Alexander, 

 Vol. X, No. VI, pp. 47-49 



Three New Species of Dolichopodid^ (Diptera) from California 

 AND Nevada, 



by M. C. Van Duzee. 

 Vol. X, No. VII, pp. 51-52 



Two New Species of Syrphid^ (Diptera), 

 by A. L. Lovett. 

 Vol. X, No. VIII, pp. 53-70 



Notes on Some Undescribed Californian Helices, 

 by S. Stillman Berry. 

 Vol. X, No. IX, pp. 71-75 



A New Genus and Species of Grasshopper from California, 

 by Morgan Hebard. 



During the year 1920, 11 free lectures have been delivered 

 at the stated meetings of the Academy, as follows : 



January 7. "The Vegetation of New Zealand." 



Mr. A. H. Cockayne, Government Biologist of New 

 Zealand. 



March 3. "American Aquariums." 



Dr. Barton Warren Evermann, Director of the Mu- 

 seum, California Academy of Sciences. 



April 7. "A Commodity Unit to Supplement Money as a Standard 



of Value." 



Dr. C. E. Grunsky, President, California Academy of 

 Sciences. 



May 5. "Some Bird Observations on the University Campus." 



Mr. Tracy I. Storer, Field Naturalist, Museum of Ver- 

 tebrate Zoology, University of California. 



June 2. "The Work of the Audubon Society." 



Mr. C. B. Lastreto, Organizer and Ex-President of the 

 Audubon Association of the Pacific. 



July 7. "The Birds and Mammals of the Stikine Region, British 



Columbia." 



Mr. H. S. Swarth, Curator of Birds, Museum of Ver- 

 tebrate Zoology, University of California. 



August 4. "The Botanical Features of Mount Tamalpais." 



Miss Alice Eastwood, Curator of Botany, California 

 Academy of Sciences. 



September 1. "Injurious Insects." 



Mr. E. O. Essig, Assistant Professor of Entomology, 

 University of California. 



October 6. "Hunting Grizzlies with Bow and Arrow." 



Dr. Saxton Pope, Assistant Clinical Professor of Sur- 

 gery, University of California. 



November 3. "The Pan-Pacific Scientific Congress and the Hawaiian 

 Islands." 



Dr. Barton Warren Evermann, Director of the Mu- 

 seum, California Academy of Sciences. 



December 1. "Birds, Fur Seals, Foxes and Other Animals of the Pribi- 

 lof Islands, Alaska." 



Dr. G. Dallas Hanna, Curator of Invertebrate Paleon- 

 tology, California Academy of Sciences. 



