DEPARTMENT OF AGRICULTURE BULS. 226-250. 



Fires, forest — 



damage to shortleaf pine stands 



protection of lodgepole pine stands 



Fish-oil soap, use against eggplant lace-bug, experiments 



Flathead, injury to cut pine timber, control 



Flea- 

 ground squirrel, life cycle and longevity 



human, description, occurrence, habits, and control 



repellants 



Fleas — 



abundance and spread, factors influencing 



breeding places 



bulletin by F. C. Bishopp 



economic importance in, discussion 



hosts and biting habits 



life cycles of various kinds in different countries 



life history, longevity, and breeding places 



parasitic on man and animals, descriptions, habits, and 

 control measures 



protection from , methods 



transmission of diseases, history and danger , 



trapping, methods 



Fleming, Ruth M., and C. J. Humphrey, bulletin on "The 

 toxicity to fungi of various oils and salts, particularly those 



used in wood preservation " 



Florida — 



lumber industry, sawmills, output, kinds of wood, etc. . 



turpentine industry 



Fly- 

 larvae — 



destruction in horse manure, further experiments, 

 bulletin by F. C. Cook, R. H. Hutchison, and 



F. M. Scales 



destruction in manure, equipment, management, 



and examination of results 



paper, use as protection from fleas 



Forest fires, effect on shortleaf-pine reproduction 



Forests — 



grazing, note 



lodgepole pine — 



management, cutting, seeding, etc 



management, rotations, cutting, seeding, etc. 



protection from fire and insects 



Formaldehyde, use against fly larvae in horse manure, ex- 

 periments 



France, sugar beets, acreage and production 



Fraxinus, spp. See Ash. 



Frazer fir, note 



Fruit- 

 dried, insects injurious in California, economic im- 

 portance, etc 



See also Dried fruit, 

 juices — 



concentration by freezing, management 



containers, kinds and treatment 



freezing storage, treatment of various kinds 



preparation, sterilization and concentration, experi- 

 ments with various kinds 



sediment, removal, methods 



sterilization, methods 



studies, bulletin by H. C. Gore 



sulphuring, effect on insects 



Fumigants, use in ridding buildings from fleas 



Bulletin 





No. 



Page. 



244 



34-35 



234 



46 



239 



7 



244 



36 



248 



7,8 



248 



16-18, 22-31 



248 



30 



248 



10-11 



248 



8-9 



248 



1-31 



248 



1-2 



248 



2-A 



248 



6-7 



248 



4-7 



248 



16-31 



248 



30-31 



248 



1-2 



248 



28-30 



226 



232 



229 



245 



232 



235 



1-38 



7, 10, 14, 16, 



22, 25, 30-31 



7,8,43.44 



1-22 



245 

 248 

 244 



1-2 

 30-31 

 21-24 



234 



48 



234 

 234 

 234 



21-46 

 21-46 

 46-48 



245 

 238 



11 

 2 



25 



2-3 



241 



8 



241 



5-7 



241 



7-8 



241 



9-19 



241 



3 



241 



2-9 



24] 



1-19 



235 



6-7 



248 



27 



