114 APTERA. 



among some sugar, from whence originated the 

 Linnaean specific name ; but the insect feeds 

 also on other substances, and is destructive to 

 books and woollen clothes. It suffers no me- 

 tamorphosis, but merely changes its skin. 



Of the seven species described in Gmelin's 

 edition of the Systema Naturae one only is ex- 

 tra European, the L. vffiosa, an inhabitant of 

 China. 



SPECIFICATION. 



Lepisma saccharina. L. squamosa cauda tri- 



plici. Linn. Sysi. Nat. 1. p. 1012. Gmel. p. 2706. 



Fabr. Spec. Ins. 1. p. 379. Mant. Ins. l.p. 242. 



Ent. Syst. 2. p. 63. 



Degeer, Ins. 7. p. 14. No. I. 



Suk. Ins. t. 22./. 147. 



Schaef. Elem. t. 75. 



Inhabits America, and is now common in Europe 



Is generally found in houses upon the window-frames. 



&c, 



PI. 73. a. The antennae, &c. enlarged., b. The tail 

 with its bristles, 



