Salaries and expenses, Bureau of Entomology (taxonomy and interrelations of insects). Communication from the President of the United States transmitting supplemental estimate of appropriation amounting to $50,000, for the Department of Agriculture for the fiscal year 1930, to remain available until June 30, 1931, for an additional amount for taxonomy and interrelations of insects to enable the Secretary of Agriculture to purchase a collection of moths and butterflies collected and mounted by the late Dr. William Barnes, of Decatur, Ill.