found upon the Narciflus. 



and fo difpofed, as to caufe them 

 to appear fpotted and variegated 

 throughout the whole Surface. The 

 Jnfedt is fo very fmall, as appears 

 from its natural Size reprefented 

 Plate V. Fig. 8. that I (hould have 

 overlooked this Particular, had I 

 not accidentally obferved, that upon 

 handling it changed its Colour, and 

 loft its Spots. The Scales are the 

 fmalleft of the Kind I have ever 

 feen, and were drawn from the 

 greateft Magnifier of the common 

 double reflecting Microfcopes, being 

 fcarce vifible through any other, tho* 

 the Infedt itfelf was taken from one 

 equivalent only to the Third. Plate 

 V.Fig. 9. 10. 11. 12. I have given 

 a double Reprefentation of it, each 

 with its Reverfe, one in its natural 

 Attitude, the other with the Head 

 ereft. Perhaps the fmall Spots, that 

 appear upon many Infe£ts of this, 

 and fome other Sorts, if examined, 

 may be found owing to a Difpofition 

 pf Scales of the fame Nature, 



CHAP, 



