[11] Further information may be found in a very full report on "Insects Affecting Domestic Animals," issued as Bulletin 5, new series, of the Bureau of Entomology of this department.
[12] Further information on fly repellents may be found in Bulletin 131 of the Department of Agriculture.
[13] For further information consult Farmers' Bulletin 1097.
[14] For further information consult Circular 115 of the Bureau of Entomology.
[15] For further information consult Farmers' Bulletin 857.
[16] For further information see Farmers' Bulletin 909.
[17] For a fuller discussion see Farmers' Bulletin 1017, issued by the U.S. Department of Agriculture.
[18] For a more complete discussion consult Farmers' Bulletin 1057, Bulletins 130 and 152 of the Bureau of Animal Industry, and Bulletins 15 (technical series), 72, and 106 of the Bureau of Entomology, all issued by the United States Department of Agriculture.
[19] For further information consult Bureau of Animal Industry Circular 214.