408 



Transactions. 



Prothc 



Meso-, ^eta»h orax t, 2,Abd6. 3.4,5. 6,7,8,9 



' l» ' ' , 1 . . f ' ■ I ' r 



• >» 



• \V 



• V" 



«ll 



• '•' 



1^ 



00 



I • 



• l" 



• I'M 



"^^ 



«A- 



« /I/ 



/s' 





Aug. 29*b 

 Aug. 26!*? 



2nd 

 ■ mou 



Sept 2 



S€pt^^^ 



Aug.24^^ 



P-^moult 



Sept. !3 



fU 



SepX.20'.l 



Hatched >Aug.l4*^ 



Pig. 1. — Larval tubercles, 3rd stadium. ' 



EiG. 2. — The mine ; natural size. 



Pig. 3. — Portion of mine at second moult, a, f rass granules occupying centre of 

 mine; b, cast-off head-piece of larva ; c, beginning of mine, 3rd stadium. 



