Sil4.' 



._Tia»oiin on C»lU«, produced by OidBy. 



3il5.— Gadlles ind Bota. 



3517.— Chequered Blow-Kly »nd Lame. 



"^mmi 



^ 0^ 



351 3.— Gadfly and Graba. 



ttOI<— Paeado-gall on Bnmbto. 



356 



3»I8.— LugeOrey Blow-Fly. 



3M9.-Pieudo-g«ll on Hawtboni. 



S51 1 .—Ovipositor of Gadfly. 



S506.— Lime-twig contorted by Aphidea. 



3512 — Detail! of Gadfly. 



3504. — Erioaoma and Galls on Poplar. 



3510.— Paeudogall on Hawthoni. 



35 1 6.— Ovipodtoia of Inse<;t«. 



359-.— Paeudo-gall of Aphil-pl«i. 



SO*. - GalU of Aphis ribia on CuitanWeaf 



