282 Annual Report Agricultural Experiment Station 



Bulletin 83, December 20, 1917. Poisonous Animals of the Desert. 



—By Charles T. Vorhies 

 Twenty-eighth Annual Report, December 31, 1917. —By the Station Staff 



Bulletin 84, February 1, 1918. Dry-Farming in Arizona. 



—By A. M. McOmie and Others 



Bulletin 85, March 1, 1918. A Study of Marketing Conditions in the Salt River 



Valley. — By J. H. Collins 



Timely Hints for Farmers: 



No. 127. Julv 15, 1917. Raising Dairy Calves. —By W. S. Cunningham 



No 128. August 15, 1917. Head Lettuce Growing in Southern Arizona. 



— By S. B. Johnson 

 No. 129. September 15, 1917. Curing Meat on the Farm. 



_By R. H. Williams 

 No. 130. October 15, 1917. How Much Seed to Sow. —By S. B. Johnson 



No 131. November 15, 1917. Sanitary Water Supply for the Home. 



—By J. J. Thornber 

 No. 132 December 15, 1917. Hairy Peruvian Alfalfa. —By W. E. Bryan 



No. 133. January 1, 1918. A Little Farm Well-Tilled. —By R. H. Forbes 



No. 134. January 15, 1918. Unproductive Soils, Their Cause and Management. 



—By A. E. Vinson 

 No 135. February 1, 1918. Soapwecd or Palmilla (Yucca data) as Emer- 

 gency Forage. —By J. J. Thornber 



Scientific and Technical Papers : 



Notes on the Fauna of Great Salt Lake. 



American Naturalist, August, 1917. —By Charles T. Vorhies 



Grading Land for Furrow Irrigation. Western Engineering, IX, 1 Jan. 1918. 



—By G. E. P. Smith 



PROJECTS 

 The projects listed in the Twenty-eighth Annual Report for 

 the- year 1917-1918 have been continued, or completed and several 

 new projects have been approved. The list of projects approved 

 for the year 1918-1919 follows. 



1. Groundwater supplies and pump irrigation in the Casa Grande Valley. 



State fund. G. E. P. Smith. 



2. A study of pumping machinery to determine fundamental facts relating 

 to the action and efficiencv of various types of pumping machinery. 



Adams fund. G. E. P. Smith. 



3. The relation of evaporation rate to the duty of water; and the study 

 of the factors controlling evaporation. 



Adams fund. G. E. P. Smith. 



4. A study of the culture and management of date orchards with special 

 reference to the improvement of the yield and quality of the fruit and the 

 rooting of offshoots. 



State fund. F. J. CridEr. 



5. A study of the cultural methods with citrus fruits. 



Hatch fund. F. J. CridER. 



6. A study of the effect of different methods of orchard management on 

 the growth, yield, and size of the fruit of the olive. 



Hatch fund. F. J. Crider. 



7. A study of conditions affecting the production of fall Irish potatoes 

 in southern Arizona. 



State Horticultural and Hatch funds. F. J. Crider. 



8. A study of spinach as a market garden crop for southern Arizona. 



State Horticultural fund. F. J. CridEr. 



9. A study of cultural and storage methods of the sweet potato. 



State and Hatch funds. F. J. Crider. 



