482 



HOMES WITHOOT HANDS. 



and not on animals. Their scientific name is ChfnvpidcB, and they 

 ai-e populaxly known as Gall Flies, because they cause those 

 singular excrescences which are so familiar to us under the name 

 of Galls. This group comprises a vast -number of species, all 

 of which have a strong family resemblance, though they greatly 

 differ from each other in size, form, and colour. 



BBITISH OALTfi. 



Lest Galls of Oak. Bedegnar of Rose. 



Cyiiips EoUari (Slightly magniSed) 

 Oak Apple. 



Galls of Cjmips EoUari. 

 Currant Galls of Oak. 



In the accompanying illustration are given several examples 

 of British Galls, most of which are tolerably common in this 

 country, and some of which can be found in plenty. 



In the left hand upper comer of the illustration is a figure of 

 an oak-leaf, upon which are two globular projections. These are 

 the well-known " cherry-galls," which are made by a little insect 

 called Cynips qiiereus-folii. They are beautifully coloured, some 



