RECORD OF AMERICAN ENTOMOLOGY.
Edited by A. S. PACKARD, Jr.
A Year Book of Progress in American Entomology for 1868, 1869, 1870, 1871, 1872. Price of Parts for 1868 and 1869, 75 cents each. For 1870-72, 50 cents each; or the five to one address for $2.50.
IN PRESS.—"Check List of the Coleoptera of North America," prepared by Mr. G. R. Crotch. This will make an 8vo pamphlet of about 150 pages; nearly 100 pages are already printed. Address the Agency for further information.
A LARGE Number of Works on Entomological Subjects are for Sale at the Naturalists' Agency. Send for a list.