Fig. 226. -Silver fish [Lepisma saccharina), one of the Thysanura 



A primitive wingless insect common in pantries, feeding on 

 sugary particles. It is towards half an inch long and covered 

 with minute scales, which give it a slightly silvery appearance. 



A. A., Abdominal appendages; C.C, three 

 caudal cerci. 



