REPORT ON ZOOLOGV. 211 



however, appeared upon particular families, some of which are 

 now in course of publication. Thus, Zimmermann has made a 

 study of the CarabidcB *; Erichson of the Di/ticidcBf ; Gory and 

 Percheron of the Cetonice and some allied genera J. Schon- 

 herr has published two valuable works on the CurcidionidcB ; 

 one§ giving a general view of the subordinate groups in this 

 extensive family ; the other ||, which has been only recently 

 commenced, entering into the details of species. Lastly, I may 

 refer to an important monograph on the Staphylinidcs by Count 

 Mannerheim^. 



The Orthoptera have been made the subject of particular 

 works by Zetterstedt** and Audinet Servilleff. Toussaint de 

 Charpentier has also published a monograph on he European 

 species of this order in his HorcB Entomologicce . 



Hahn has undertaken an illustrated work on the HemipteraXX- 

 Schummei has written a monograph on the particular genera 

 Hydrometra, Velia, and Gerris, constituting LatreiUe's family 

 Ploteres^^. 



The Lepidoptera, at least the European species, have been 

 particularly treated of by Treitschke, Godart, and Duponchel. 

 The first has continued the valuable and well-known work of 

 Ochsenheimer||||. Godart is the author of a work on the Lepi- 

 doptera of France, which was commenced in 1822, but inter- 

 rupted in 1825 by his death. Duponchel has carried it on from 

 that time^^. Boisduval has published a valuable monograph on 

 the ZygcenidcB*** . He has also commenced two other works on 

 this order, one serving to illustrate the Lepidoptera of North 

 Americafttj the other the caterpillars and metamorphosis of the 

 species found in Europelt:}:. In the former he is assisted by 



* Monographie der CaraUden. Berlin and Halle, 1831. See Entomolog. Mag., 

 vol. i. p. 306 ; a work to which I am indebted for the only knowledge I have of 

 some of these monographs. 



t Genera Dyticeorum. Beriin, 1832. (See Ent. Mag., vol. i. p. 501.) 



I Monog. des Cetoines, et Genres voisins, S^c, 1833. (See Ent. Mag., vol. i, 

 p. 418. § Curculionidum Dispositio methodica, Sfc. Lips., 1826. 



II Genera et Species Curculionidum, 8(C., 1833, &c. 



ij Precis d'un nouvel /irrangement de laFamille des BracMlytres, de VOrdredes 

 Inseetes CoUopteres. St.Petersb. 1830. ** Orthoptera Sueoice. Lund., 1821. 



tt Revue Methodique des Inseetes de VOrdre des Orthopteres. (See Ent. 

 Mag., vol. i. p. 304.) 



XX Die Wanzenartigen Insecten, ^c, Niirnberg, 1831, &c. (See^w^ Mag., 

 vol. i. p. 308.) §§ See Ent. Mag., vol. i. p. 307. 



nil Die Schmetterlinge Europ., mit Fortsetzung von F. Treitschke. 1 825, &c. 



il^ Godart and Duponchel, Hist. Nat. des Lepidopteres, ou Papillons de 

 France. 8vo, Par., 1822, &c. 



*•* Essai sur une Monographie des Zygenides. Par., 1829, 8vo. 



+tt Hist. Gener. et Iconograph. de tous les Lepidop. et Chenilles de I'Amer, 

 Septentrionale. 8vo. tXX See Ent. Mag., vol. ii. p. 110, 



P 2 



