en the Phalena Bombyx Lubricipeda of Linneus, &c. 75 
taken great pains to prove them diftinét fpecies, and combating 
the objections of others, adds, that in the midft of the different 
teftimonies which appear fo contradictory, he wifhes not to decide 
the queftion, but invites other naturalifts to raife them from the 
egg» and give the refult of their obfervations, 
L2 IV. Deferip- 
