Vol. X] EVERMANN— DIRECTOR'S REPORT FOR 1920 137 



Van Duzee, Edward P. 



1. Report of the Canadian Arctic Expedition, Vol. Ill, Insects, F, 

 Hemiptera, Ottawa, 1919, 5 pages. 



2. New Hemipterous Insects of the Genera Aradus, Phytocoris, and 

 Camtobrochys. <Proc. CaHf. Acad. Sci., Fourth Ser., Vol. IX, 

 No. 13, pp. 331-356, February 5, 1920. 



DEPARTMENT REPORTS 



The curators and their assistants have been unusually ac- 

 tive and efficient during the year in building up and caring for 

 the collections in their respective departments, as is fully set 

 forth in their respective reports. 



Department of Botany 



The herbarium of the California Academy of Sciences now numbers 

 67,789 mounted specimens representing 18,825 species, an increase during 

 the year of 8,200 specimens and almost 2,000 species. The chief accessions 

 are as follows : 



By purchase. — 160 specimens from Rev. John Davis, collected in South 

 Carolina, and 400 specimens from A. A. Heller, collected in northern 

 California and southern Oregon. 

 Through exchange. — 290 specimens from Ira W. Clokey, Denver, Colo- 

 rado, collected in Colorado, and 220 specimens of California mosses 

 collected by Dr. M. A. Howe ; also 300 duplicates from the Cosmo- 

 politan Mitten Moss Herbarium, from the New York Botanical 

 Garden. 

 Sixty-eight different correspondents sent in specimens chiefly for identi- 

 fication. The following are the most notable : 

 Mr. Ellsworth Bethel, Denver, Colorado, 281 from Denver and 21 from 

 California and Nevada; Mrs. Mary Strong Clemens, 150 from Yo- 

 semite National Park and 401 from Plumas and Amador counties, 

 California, and southern Oregon; J. August Kusche, 178 from 

 Hawaiian Islands; Mrs. G. Earle Kelly, 65 from various parts of 

 California; Mr. Vincent Jones, 72 from various parts of California; 

 Mrs. Marian L. Campbell, 74 from various parts of California; Mrs. 

 E. C. Sutliffe, 88 from various parts of California; Howard E. 

 Phelps, 50 from Pullman, Washington; and Ira C. Otis, 74 from 

 Cascade Mountains, Washington. 

 The California State Floral Society gave a collection, chiefly of exotic 

 ferns, made by the late Mrs. L. A. Hodgkins. It consists of 76 large 

 mounted sheets and 171 smaller specimens, besides a small collection of 

 flowering plants collected by the late George W. Dunn, 



Dr. G. Dallas Hanna, besides his own collection of 76 specimens from 

 Unalaska, induced Miss Danforth and Miss Miller, two Unalaska teachers, 

 to collect for the Academy, and they added 18 specimens. Mr. E. C. 



