50 TROCHILIUM TIPULIFORME. 



of the second segment, each bore a minute brown 

 bristle ; a few hairs issued from the head and anal tip, 

 but were not visible to the naked eye. The spiracular 

 region was an inflated ridge but not prominent, the 

 spiracles very small and black, the tip of anal segment 

 pale yellowish-red. The warts rather large in pro- 

 portion. The body had the appearance of ground 

 glass, the warts had less the appearance of ground 

 glass, and the second segment of clear glass. 



Of the two larvae I received from Mr. Marsden, of 

 Gloucester, one was three parts grown and showed 

 the dorsal vessel, but the other, which was full grown, 

 had hardly a trace of a dorsal vessel and that only 

 behind. 



Previous to pupation the larva gnaws the side of 

 the stem at an acute angle, and penetrates all but the 

 external rind, of which there remains only the thinnest 

 possible film ; it then spins a slight silken covering 

 attached to the sawdust-like " frass " around, and it is 

 then ready for the 1 pupal change and afterwards for 

 final transformation. (W. B., Note Book II, 8.) 



Trochilium philanthiforme. 

 Plate XXIX, fig. 4. 



On the 7th of June, 1879, I received from Mr. 

 Edwin Birchall, then in the Isle of Man, several little 

 sods of Statice armeria, containing pupae of this species, 

 and in the morning of July 25th a male and a female 

 emerged both perfect specimens. 



Mr. Birchall had kindly drawn my attention to the 

 fact that they jump backwards, and this is always 

 their first motion before attempting flight. This I 

 already noticed when attempting to box them. The 

 same habit also occurs in T. scoliceforme. 



On the 24th of August, 1879, I received from Mr. 

 Birchall some tufts of Statice armeria containing 



