2y Diptera ( Tipuin pallida, T. hebes. T. fasciata, T. caloptera, T. bella, T. tricolor. 

 T. bicorni/i. T. brevirollis, Pachyrhina macrocera, Nephrotoma eucera, Ceratopocfon 

 lineatus), from E. T. Cresson. 



2fi Diptera ( Tipula longiventris. T. speciosa, T. infuscata, T. unicolor, Pachyrhi- 

 iia tenuis, Trichocera maculipennis. Anopheles punctipennis, A. maculipennis, Chiro- 

 iiomus byssinus), from Dr. T. B. Wilson. 



;', Diptera ( Tipula strcpcns, T. cincta), from Baron R. Osten Sacken. 



.'! Diptera (Catercbra americana, Sccnopinus glabri/rons), from James Ridings. 



1 Diptera (Ocphalemi/ia ovis), from George Newman. 



DECEMBER 12, 1864. 

 40 Coleoptera {Eugastra ventricosa, Tostegoptera lanceolata, Lachnosterna farcta, 

 L. torta, Pyrophorus physodermus, Crigmus texanus, Chauliognaihus scutellaTut, 

 Eleodes robusta, E. nupta, Pyrota mylabrina, Nemognatha apicalis, Arhopalua ery- 

 thropus, Eriphus ruber), from E. J. Nolan. 



DONATIONS TO LIBRARY. 



APRIL 11, 1864. 

 Monographs of the Diptera of North America, by H. Loew. Part 2, edited hy 

 R. Osten Sacken. 1 vol. 8vo. From the Smithsonian Institution. 

 The Prairie Farmer (Chicago, 111.) Vol. l.*?, Nos. 1—15. 



The following works were presented by J. Carson Brevoort, Esq., of 

 Brooklyn, New York : — 



Etudes Entomologiques. Par F. L. DeLaporte. 1 vol. 8vo. 



Conspectus Insectorum Coleopterorum, quae in Republica Peruana observata 

 nunt. Auctore G. F. Erichson. 1 vol. 8vo. 



Monographic der Carabiden. Von Zimmermann. 8vo. 



Revision de la Famille des Cicindelides de I'ordre des Coleopteres, par M. 

 Th. Lacordaire. 8vo. 



Genera Dyticeorum. Auctore Dr. G. F. Erichson. 8vo. 



Beschreibung einiger neuer in der Mammutli-Hohle in Kentucky auf-gefun- 

 dener Gattungen von Gliederthieren. Von Dr. Th. Tellkampf. 8vo. 



Uebersicht der Arten der Gattung Astacus. Von Erichson. 8vo. 



A revision of the North American Astaci, with observations on their habits 

 and geographical distribution. By Charles Girard. 8vo. 



A Catalogue of Insects of Pennsylvania. By Fred. Val. Melsheimer. Part 1, 

 1806. 8vo. 



Enumeratio Insectorum Eleutheratorum Capitis Bonse Spei totiusque Africae 

 descriptione Iconibusque nonnullarum specierum novarum illustrata, proponit 

 G. A. Goldfuss. Svo. 



Systematisches verzeichniss der in der ersten serie (Heft. I — X) der Kafer 



