Séance du 17 Novembre 1920 



11 



l•^)^ llic l'eniiilc : 



l'"()rc' wiiii^s : — maxiiiiuiii Icnj^lli 



widlh' 

 Ilind wiiii; : — ninxiimmi It'iii^lli 



widlli 1-") 111111. 



Tilt' nrt'n ol llic lour riidiinciils al llic end of Mie 

 nioull can he rsliinalt'd al 122 stj. nini. Tliiis llic uii- 



,')] mm. 

 (S mm. 

 .')() mm. 



"<--, 



l-'ic. IT). — lUììpusd ctjeiut . Male. Iliiid svin.i^ (ìrcpni-ed 

 in (Canada balsnm. '.\ L^ni^lh : — ;');') iiiiii., Widlh:— ir)nim . , 

 ArCt. :— .'i77 .s(| . nini . 



loldini^ lias mulli])licd llic area of llic lourNviniis by 10. 



I am indchlcd lo .1. n'Ai. i. max for llie calculalion ol" 

 llic increase of area. 



In mosl Oilhojilcra, c. 14. Dcclictis vcri'iicii'oriis, 

 Scliistocvrcd pcrcgrina and (jiloplcniis sprcliis (\), Uic 

 Nving stumps lcnii,lhen pcrceptiiily and ii;radua!ly at cacli 

 moult, hut in the case ol' Manlidac the wing stumps 



1. See Bi!ox(iXiAivr 1<S9;5, Pui.ky and Packaud 1878, 

 Adaii! in "Report on the Great Invasion of Locusts in Kgypt 

 in 1915', 191(; 



