4 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. IO7 



press only) is December 1825, although the date of plate 63 and the 

 original sheet {Acilius cinereus) was April 1825.] 



Staphylinidae. Genus Siogomnn Kirby. Plate 23 (No. 117 of vol- 

 ume I of the systematic arrangement; reprinted in 1839). Slight 

 changes to the plate ; - text rewritten with additions, and generic name 

 emended. (See facsimiles, figs. 1,2.) 



Buprestidae. Genus Buprestis Linn. Plate 31 (No. 51 of volume 



II of the systematic arrangement ; reprinted in 1840). Text rewritten 

 and enlarged, with new synonymy and additional species mentioned. 



Rhipiphoridae. Genus Rhipiphorns Fabr. Plate 19 (No. 22 of vol- 

 ume II of the systematic arrangement; reprinted in 1835), Additions 

 to plate ; text rewritten and enlarged, with the generic name emended. 



Scarabaeidae. Genus Aphodius lUiger. Plate 27 (No. 70 of volume 

 I of the systematic arrangement; reprinted in 1840). Text rewritten, 

 with additional species mentioned. 



Cerambycidae. Genus Molorchus Fabr. Plate 11 (No. 106 of vol- 

 ume II of the systematic arrangement; reprinted in 1834). Text 

 rewritten and enlarged, with generic name changed and the synonymy 

 reversed. (See facsimiles, figs. 3, 4.) 



Chrysomelidae. Genus Cryptocephalus Geoff. Plate 36 (No. 120 of 

 volume II of the systematic arrangement; reprinted in 1840). Reset 

 without change. 



HYMENOPTERA 



Xiphydriadae. Genus Xyela Dalman. Plate 30 (No. 27 of volume 



III of the systematic arrangement; reprinted in 1840). Text revised 

 slightly, with additional generic synonymy. 



Tenthredinidae. Genus Croesus hesich. Plate 17 (No. 23 of volume 

 III of the systematic arrangement; reprinted in 1835). Text re- 

 written and enlarged, with additional species mentioned. 



Ichneumonidae. Genus Peltasfes IWiger. Plate 4 (No. 45 of volume 

 III of the systematic arrangement; reprinted in 1829). Some re- 

 touching on the plate ; text enlarged with the specific name of the 

 type species replaced by a synonym. (See facsimiles, figs. 5, 6.) 



Diplolepidae. Genus Ibalia Latr. Plate 22 (No. 63 of volume III 

 of the systematic arrangement; reprinted in 1835). Slight changes to 

 the plate ; text changed slightly and with generic synonymy added. 



Chrysididae. Genus Chrysis Linn. Plate 8 (No. 3 of volume IV of 

 the systematic arrangement; reprinted in 1830). Text rewritten and 

 enlarged to six pages, with additional synonymy and species. 



2 Reproductions of the plates are at the end of the paper. They may be identi- 

 fied by their original plate numbers. 



