87(5 THE CANADIAN ENTOMOLOGIST. 



Page 509, under '^ Arc/iyias," cluinge '• Muscci " to '• Tachina." 



Page 513, under ''•Besseria" after " 1870" add, '■^Oedemasoma Town- 

 send, 1 90S." 



Page 518, before " Cassidcemyia " insert tlie following : 



" Cartosyrphus Bigot, Ann. Soc. Ent. France for 1883, p. 230, 1883, 

 II species (as 12). Type, Syrphus paga/ius Meigen, the fifth species, by 

 present designation." 



Page 521, for tlie paragrajjh on Cheilosia, substitute the following : 



" Cheilosia Panzer, Fauna Ins. Germ., Heft cviii, p. 14, 1809, 1 

 species. Type, Musca laternaria Muller (as Syrphus rosarum 

 Fabricius). Syn., Epistrophe Walker, 1852; Ischyrosyrphus Bigot, 

 1882 ; Lagenosyrp/ms Mik, 1897." 



Page 522, under C/iioromyia, for " present designation " read "desig- 

 nation of Verrall, Brit. Flies, Vol. 5, 1909, p. 188." 



Page 523, under Chrysopi/ns, change '■'■ Musca'" to ^'' Rhagio" ^.nd. 

 " Linnaeus " to " Fabricius." 



Page 532, under Dia/ineura, change " Thereva Latreille, 1796," to 

 '^ Fsilocephahi ZQi\.&x's,\&dii, 1838." (This error was due to following the 

 Katalog Palaark. Dipt, and the published descriptions of the type-species. 

 Verrall, in his British Flies, Vol. 5, 1909, p. 552, states that in this species 

 the face is bare, and his statement is confirmed by an examination of a 

 specimen in the National Museum.) 



Page 534, Dipalta should be in italics, and at the end of the second 

 line add, ''Equals Villa Lioy, 1864." 



Under Dipsa, second line, bifurcata is not now considered as being 

 a synonym oi lutea ; change '■'■ Lonchoptera " to '■'• Musidora" and "1803" 

 to " 1800 " 



Under Docosia, change " Docosia valida Winnertz," to ^''Mycetophila 

 sciarina Meigen," and " second " to " first." 



Bage 539, Epistrophe should be in italics, and after " species " add, 

 "Equals Cheilosia Panzer, 1809." 



Page 544, Exaireta. (I do not agree with Verrall that this genus is 

 a synonym of Chorisops Rondani, 1856. In the type species of the latter 

 the palpi are minute and contained in the oral cavity, whereas in spiniger 

 they are enormously developed, projecting half their length beyond the 

 oral margin.) 



Exechia should have been in black-face type. 



