256 ANNUAL, KEPOETS OF 'DEPAKTMEjSTT OF AGRICULTUEE. 



The work of the bureau is carried on by the following organi- 

 zation : 



Office of the chief William A. Taylor, physiologist and 



pathologist and chief of bureau. 

 K. F. Kellerman, physiologist and as- 

 sociate chief of bureau. 

 H. E. Allanson, assistant to the chief 

 of bureau. 



Laboratory of plant pathology Erwin F. Smith, pathologist in charge. 



Plant-disease survey and pathological C. L. Shear, pathologist in charge, 

 collections. 



Fruit-disease investigations jM- B. Waite. pathologist in charge. 



Citrus-canker eradication Directed by the associate chief of 



bureau. 



Forest-pathology investigations Haven Metcalf, pathologist in charge. 



Blister-rust control S. B. Detwiler, pathologist in charge. 



Cotton, truck, and forage crop disease W. A. Orton, pathologist in charge. 



investigations. 

 Crop physiology and breeding investi- W. T. Swingle, physiologist in charge, 

 gations. 



Soil-bacteriology investigations F. Lohnis, bacteriologist in charge. 



Soil-fertility investigations Oswald Schreiner, biochemist in 



charge. 

 Crop acclimatization and adaptation O. F. Cook, bionomist in charge, 

 investigations. 



Fiber-plant investigations L- H. Dewey, botanist in charge. 



Drug, poisonous, and oil plant investi- W. W. Stockberger, physiologist in 



gations. charge. 



Plant physiological and fermentation H. L. Shantz, physiologist in charge, 

 investigations. 



Agricultural technology N. A. Cobb, technologist in charge. 



Seed-testing laboratories ; enforcement E. Brown, botanist in charge, 

 of seed-importation act. 



Cereal investigations C. R. Ball, cerealist in charge. 



Tobacco and plant-nutrition investiga- W. W. Garner, physiologist in charge. 



tions. 

 Alkali and drought resistant plant in- T. H. Kearney, physiologist in charge, 

 vestigations. 



Sugar-plant investigations Directed by the associate chief of 



bureau. 



Economic and systematic botany Frederick V. Coville, botanist in 



charge. 



Dry-land agriculture E. C. Chilcott, agriculturist in charge. 



Western irrigation agriculture C. S. Scofield, agriculturist in charge. 



Horticultural and pomological investi- L. C. Corbett, horticulturist in charge, 

 gations. 



Gardens and grounds E. M. Byrnes, assistant in charge. 



Demonstrations on reclamation proj- A. C. Cooley, agriculturist in charge. 



ects. 

 Arlington Experiment Farm E. C. Butterfield, assistant horticul- 

 turist in charge. 



Foreign seed and plant introduction David Fairchild, agricultural explorer 



in charge. 



Forage-crop investigations C. V. Piper, agrostologist in charge. 



Congressional seed distribution R. A. Oakley, agronomist in charge. 



Biophysical investigations G. N. Collins, botanist in charge. 



NUMBER OF EMPLOYEES. 



On August 31, 1923, the numerical strength of the bureau was 

 as follows : In Washington, 706 ; outside of Washington, 1,637 ; mak- 

 ing a total of 2,343. Of this number 1,645 were permanent employees 

 and 698 temporary workers. Of the total number of employees 1.457 

 were technical workers. 



