COLLECTION OF ARTICULATED ANIMALS. 4? 1 



have no wings at all, or so short as to be 

 useless for flight. The luminous part forms a 

 whitish or yellowish spot, and the lustre which 

 it sheds appears to vary at the pleasure of the 

 insect. The lampyres are very abundant in hot 

 countries; they fly only by night, when their 

 swarms illuminate the sky. On traversing the 

 Alps towards Italy, the traveller is presented 

 with this spectacle produced by the /. italica, 

 Lin. (n i4), the males and females of which 

 are winged. The females of our native glow- 

 worms are without wings, and the males pre- 

 sent scarcely any phosphoric light. 



Next to the lampyres come the genera mala- 

 chius, Fabr., telephorus, Schaeff., and lymexylon, 

 Fabr. The malachii, when taken in the hand, 

 protrude on each side of the thorax, a little be- 

 low the base of the elytra, irregular and red 

 vesicles, which Geoffroy has named cockades. 

 The telephori, when in the larva state, live gre- 

 garious under ground. The lymexylon navale, 

 Oliv. (n i), commits great ravages in ship-build- 

 ing timbers. 



In all the coleoptera which we have hitherto 

 examined the extremity of the feet or tarsi have 

 five joints ; those of the following section have 

 one joint less in the two hinder tarsi. The 

 greatest part of these insects are peculiar to the 



