64 ANCHOCELIS RUFINA. 



like the others. On the 21st, some were laid up, and 

 others had got over their moult; the white stripes 

 and lines are still more distinct than before, and the 

 green ground is more bluish-green ; and a fine black 

 line forms the edge in strong contrast to the very broad 

 white spiracular stripe. On the 2nd of May, one had 

 now moulted again (probably for the third time) ; it 

 was noticeable now that the subdorsal and lateral lines 

 are much faded and only just discernible ; the dorsal 

 stripe is still whitish, and the broad spiracular stripe 

 is as brilliantly white as ever; noticeable now too is 

 the fact of the tubercular dots being changed from 

 dark to light, as they are now rather whitish and larger 

 in proportion. This stage was reached by most on the 

 9th of May, though some were laid up in preparation ; 

 the rich deep green colouring is now very bright. May 

 12th,the most advanced have now changed from green 

 to brown, though many are still green but dingier. On 

 the 18th, when I figured one, the dorsal line is very 

 dirty whitish ; the spiracular stripe remains pure 

 white ; the other lines, though suffused with the 

 ground colour, can yet be traced, though only by the 

 dark freckly edging ; the tubercular dots are whitish 

 and in threes on each side of the back ; the first of 

 each three is the smallest ; the spiracles are black and 

 at the upper edge of the white stripe ; its stoutness is 

 now much increased and the length is nine lines. On 

 the 24th they had again moulted, and on the 25th 

 they measured one inch in length and most were of a 

 brownish-green, others being brown, the details as 

 before; the spiracular stripe still white; the paler 

 spots still distinct ; during three days, although they 

 had plenty of fresh food, yet they betrayed a propen- 

 sity to cannibalism, as three that were laid up to 

 moult were devoured, a part of one only remaining to 

 account for the diminished number, On the 27th, 

 several were found dead and flaccid, which caused me 

 to change their food from elm to oak. Now, except- 

 ing just on the thoracic segments, the dorsal stripe 



