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Family Income and Expenditures
The study of consumer purchases, planned in the latter part of 1935 and inaugurated early in 1936, was undertaken to provide data more comprehensive than any before available on the way in which American families earn and spend their incomes.
A Revision of the North American Aphids of the Genus Myzus
A systematic study of the North American species of the aphid genus Myzus Passerini is presented in this publication. It brings together the known species, listing their hosts and giving their distributions, the locations of their types, and descriptions, drawings, and keys for their separation.
United States Government Publications, a Monthly Catalog
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
