62 THE ENTOMOLOGIST. 



were beginning to develope themselves ; and while the latter 

 part of the change was taking place the antennae assumed a 

 pinkish hue, deepening into a darker tint, and the unguiculi 

 and articulations of ihe tarsi became blackish : at this stage of 

 its development the pupa, when touched or irritated, gave 

 expression to its sense of annoyance by jerking its abdomen 

 and wriggling its unguiculi about. The coxse, trochanters 

 and knees, now entered upon the first phase of their colora- 

 tion by assuming a pale pinkish hue, and the posterior por- 

 tion of each elytron changed to a darker tint ; after the lapse 

 of a day or two a very iaint darkish tinge crept along the 

 femora and tibiae, spreading all over them, and this finally 

 settled down to a duller tone ; at the same time the coxae, 

 trochanters and knees deepened into dull pink and then again 

 into darkish. By the time all the above-mentioned changes 

 had taken place, the front and sides of the thorax became 

 margined with a thin, brown-colonred band, the under side of 

 thorax being white ; a change was then noticed in the centre 

 of the breast, as that part began to turn white, and ultimately 

 assumed an ivory whiteness. For some days previously I 

 had noticed the segments of the abdomen contracting and 

 shrinking upwards, until at last the abdomen became shorter 

 by the length of two segments^ as compared with what it was 

 when the pupal form was first assumed : all this was clearly 

 visible through the puparium, a faint movement of the abdo- 

 men within its puparium seeming to invite attention to the 

 fact ; the ventral surface of the abdomen on assuming its 

 coloration turned faint darkish, the segmental divisions, as 

 a series of much darker lines, being very noticeable and show- 

 ing through the skin of the puparium. 



In a few days the extremity of the piiparium had a pale 

 brown tint imparted to it : this on examinatioti I found was 

 caused by the reflection of a brown-coloured spot that had 

 made its appearance at the anal extremity of the abdomen. 

 On investigation, the back of the head and three parts of its 

 thorax were found to be of a pale brown colour, the basal 

 portion of the thorax being of a pale bluish cast, darker at 

 the sides, and the darker markings situate on the anterior 

 portion of the elytra were seen to be gradually developing 

 themselves. The under surface of the head and thorax 



