Exchange Column.
Psyche 26(3):83-84, 1919.

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19191 Exchunge Column
EXCHANGE COLUMN.
Notices not to excdfour lines in length concerning exchanges desired of speci- mens or entomological literature will be inserted free for subscribers, to be run aa long as may be deemed advisable by the editors. Cynipidze,-galls or the bred makers,-of the world desired for exchange or purcke. Will determine North American material. Address: Alfred C. Kinsey, Bussey Institution, Forest Hills, Mass.
Sarcophagi& from all parts of the world bought or exchanged according to arrangement. North American material determined.-R. R. Parker, State Board of Entomology, Bozeman, Mont.
Wanted: Insects of any order from ant nests, with specimens of the host ants, from any part of the world; also Cremastochilime of the world. Will give cash or Coleoptem, Hymenoptera and Diptera from the United States.-Wm. M. Mann, U. S. National Museum, Washington, D, C. Wanted: Old Series Entom., Bul. 1, %, 3,33; Technical Series 4,6,7; Insect Liie, vol. 4-6; Jour. Applied Microscopy I, N. Y. State Entom. Rep. 3, 4; Fitch Ftep. 7.8.13.-Philip Dowell, Port Richmond, N. Y. Wanted: Insects of the family Embiide. (Isoptera). I would give ins& of any order except Lepidoptera. I would like to correspond with persons interested in this family.-Raoul M. May, %W% W. 10th St., h s Angeles, Caliiornia. Wanted: To exchange, or purchase for cash, specimens of the Genus Apante- sis from any locality. Also to purchase rare Catocale..-Samuel E. Cassino, Salem, Mass.
Wanted: 19th Illinois Entomological Report; Coleopkra of Southern California, by H. C. Fall; Notes on Lachnosterna of Temperate North America, by J. B. Smith; Complete Works of Thos. Say, Le Conte edition.4. S. Wade, U. S. Bureau of Entomology, Washington, D. C.
Wanted for ash: Lowest representatives of all familiea of insects, preserved in fluid.-G. C. Crampton, Amhemt, Mass.
Wanted: Living larval material of Tabanid=, obtainable by sifting the soil at edge of water.-Packing in wet material, not water, each larva separate. WiIl send collecting outfit. Exchange insects of any order, or cash.-Werner Marchand, 10 Dickinson St., Princeton, N. J.
For Sale: A large wllection of Javanese buttedies. Letters with particdam regarding desired species and families may be addressed to G. Overdykink, Agri- cultural Sehool, Soekaboemi, Java, Dutch East Indies, Wanted: Syrphide (Flower-flies) from all parts of the world. Exchanges solicited. Will determine on the usual conditions. C. L. Metcalf, Ohio State
University, Columbus, Ohio.
Wanted: Pup= of Lachmdema fusca, pupe and hrvs of &facridact~~u8 mba- pinosw, imagoes, pups and work of Saperda cadida and cahamia; Zeuzera pgkna 9, pup= or pupa shell and work.
Ward's Natural Science Establish-
ment, Rochester, N. Y.




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IN PRESS
Will issue about September 1st.
List of Coleoptera, or Beetles
of North America
By CHARLES W. LENG
Contents:
I. A careful sketch of the recent systems of classifi- cation used in this order.
11. Complete list of species, varieties? and synonyms, with page reference to place of original description, and an indication of geographical distribution. 111. Complete list of all works containing original de- scriptions of North American species, from 1758 to date.
IV. Complete list of the Fossil species of North Amer- ica prepared by Professor H. F. Wickham. All contained in about 475 pages of text, run two columns to page.
Size of page 7$ by 10: inches,
including ample margins for annotations. Subscription Price, including delivery. . . . . . . $5 - 50
Bound in buckram . . . . . . . . . . . . . . . . . . . . . . . . $6 50
Subscriptions at above prices will be received until August st, 1919. After that date the price will be $7.50 unbound. All subscriptions are payable in advance. Send all subscriptions to
JOHN D. SHERMAN? JR.,
24 Claremont Avenue,
Mount Vernon, New York.




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