400 INSECT ARCHITECTURE. 



summer months, on the terminal shoots of this tree, 

 in the form of a small cone, much like the fiuit of the 

 tree in miniature, but with this difference, that the 

 fruit terminates in a point, whereas the pseudo-gall 

 is nearly globular. Its colour also, instead of being 

 green is reddish; but it exhibits the tiled scales of the 

 fruit cone. 



We have mentioned this the more willingly that it 

 seems to confirm the theory which we hazarded 

 above, respecting the formation of the bedeguar of 

 the rose and other true galls — by vhich we ascribed 

 to the sap diverted from its natural course by insects, 

 a tendency to form leaves, Sic, hke those of the plant 

 from which it is made to exude. 



