INS E C TS 
ORDER 
APTERA. 
LEPISMA. LEPISMA. 
Generic Character. 
Pedes sex, cursorii. 
Os palpis duobus setaceis 
et duobus capitatis. 
Cauda setosa; setis exten- 
sis. 
Corpus squamis imbricatis. 
Legs six, formed for run- 
ning. 
Mouth with two setaceous 
and two headed feelers. 
Body imbricated with mi- 
nute scales. 
Tail furnished with ex- 
tended bristles. 
T'hE Linnoean genus Lepisma is far from ex- 
tensive, those enumerated by Linuteus himself in 
the twelfth edition of the Systema Naturae amount- 
ing to no more than three species. 
