312 



TH1 WONDER OF LIFE 



larva which hfttvtw*. 

 making anima* 

 a true interpre 

 galls which 

 namely fur 

 there is ^"- 

 the anim< 

 Jules i - * 



euabun 

 }o <ti3^B 



the egg deposited by the gall- 

 **.'< tlwre can be little doubt that this is 

 many cases. But there are other 

 from insects and mites altogether, 

 ^ills, and it is a suspicious fact that 

 "- ng structural resemblance between 



aid the plant-made gall. Therefore, 

 * iCAiwrs have suggested the theory that many 

 -v ***<i galls are due to moulds or bacteria 

 produced by the animal. The insect or 

 > *e important not so much in itself, but 

 r.*& a, vegetable infection, and, as a matter 

 -wvcalled animal galls are demonstrably 

 -'i ( l gBWrtfc* Besides the frequent 

 jtriif . 'iij.de galls and 



gniworis ,nsaq nwoid-naibbai io noilDsz A ,S ^Ol 



brus ,(mi}oe,iizonsq) isUsm oinBgio }o 

 o ^aysf gninaviaJni alBoifsb rffiw .zmshq ni ami! 



.'.{ i;;uv '.iffvivHT vi - ; an 



'. w. 1 -^ g-kilK at tn>* t>iaK!* *M at one season 

 may bo mofioBv<. r aooUiM ; t)Mt M sometimes a 

 puzzliug dpn>|v,"aoi* S?fw*HB cite ctimcMions of the gall 

 and the number of ;u *H<*d p*dcr8 ; some galls con- 

 tin tie to grow *ft*r the ajtimtU parasites have disappeared, 



, ,, < t before the egg of the parasites 



hatches. . > another illustration of 



complex } anina with organism. 



Pearls and . 1 il known that if a 



foreign body, such aw a grain of swmd, gets in between the 

 shell of a mollusc and ih ng skin (or mantle) 



whicl. ' rs ^ nacro may be 



deposited arouc ] . nd a sort of pearl formed. 



