2« 



bark, luoved back again and Ibe egg excUided as iisiuil. Thiisalong 

 IhooLiteredgeoflhcoûtlieca a lillle strip ofcolleterial inalerial wilh a 

 broad base where it adhères to the bark, inclines towards and runs 



up to tlio top of each outside egg, each strip sligblly ovcMla|ipiiig 

 tlie nexl one (lig. le, d, e). And thus is formed the oiiter wall (lig. 2/) 

 of the oolheca. In placing the eggs, the insect works (Vom side t^ 



