49 



2 2nd. — Had mined 6i mm. 



23rd. — Mined 7 mm. 



24th. — Mined about 7 mm. The leaf fell off the stem. 



25th. — Had mined 4 mm. and then laid up for second change. 

 The leaf now getting dry. 



26th. — Had changed, and I took it out of the dry leaf and placed 

 it on a fresh leaf, in which it soon commenced a new mine. 



27th. — Mined 5 mm, 



28th. — Mined 6 mnl. 



29th. — Mined 9 mm. The orange band begins to vanish. 



30th. — Mined 8 mm. The band only visible on thorax. 



31st. — Had mined 8 mm., and was forming chamber for the third 

 change. 



September ist. — Had turned round in mine for change. 



2nd, 3rd, and 4th. — As on the ist. 



5th. — Had changed and mined 4 mm. No. 3 larva had invaded 

 No. I's leaf and was taken out and placed on another leaf. 



6th. — Had mined 15 mm. This leaf had now fallen from the 

 stem. 



7th.- — 7.30 a.m., larva not yet out of leaf. 10.20., larva crawling 

 on top of leaf ; placed on a fresh leaf, which it soon entered. Had 

 mined 17 mm. since yesterday. 



8th. — Had mined 19 mm. 



9th. — Had mined II mm. 



loth and nth. — Had mined 41 mm. 



i2th. — Had mined 19 mm. 



13th. — Had mined 20 mm. Red spots begin to appear. 



14th. — Had mined 3 mm. and had come out of the leaf. Put in 

 box to spin up. 



This larva therefore took twenty-eight days to feed up, and mined 

 a total length of rather over 8 in. 



