59 



neck, as well as on these points are eight 

 pair of legs in the following disjiosition ; 

 three pair of pointed fore legs on the neck 

 and the two first segments, then follow 

 two segments without legs, the next four 

 segments have each of them a pair of 

 obtuse ones, which are commonly called 

 belly-legs ; two which follow next are 

 again destitute of legs; the last segment 

 has again two obtuse ones. The yel- 

 lowish-red quadrangular spots on the 

 back, are soon conspicuous, each seg- 

 ment has one, except the first and the 

 two last, lliese s})ots are cut through, 

 by a black longitudinal stripe which runs 

 along the whole back.* 



* We observe great difffrence in the size and 

 colour of butterriics which causes the diversity of 

 beauty in these insects. It must be also noticed, 

 that eacli fly differs equally in its caterpillar state. 

 The description above applies to the one in ques- 

 tion, but others equally common are found that are 

 hairy, and the hairs in some kinds are so stiff as to 

 perforate the fingers when touched; others arc pre* 

 pared with small bladders that contain a liquid 

 which they throw out with considerable force on 

 the approach of an enemy, or on any molestation 

 being offered to them. 



D (I 



