yvA^uu ^<^c/n-^H-G<XAA^ ^JieyyyytA^iAA^ I AAy^A^ ypuevc- y^AA^Ayô aajzA^ , y\/\AX^-^<y(X/iA^e^ Ax>^ — 



Pig-.^4' 7. Coupe tangentielle >e^MM-eW; ^...xwi. X ',<..^..;..w^ 



ducercle al^oral de Carcliesium ^^ y^LeX^xycMJ^ -<?U. ^^o-m^ ^/tr^/Cc^ , 



p oly pi irniTi h] hr b g-, montrant les ^Y^ou^^-cJ^^^ey^ caa^ ^^^ioJUÀÀ. .Ajs^ù 

 qrainsbassuxdes membrgnules n dp , • , ' ' ^ Pi>- 



(2) ( gt.^/^xyt: . II ,-l9o3 .y^^.AAU) 



