NICOLETIA. 



131 



of the body, and edges of the basal joints of the legs are 

 fringed with them. 



The interesting genus Nicoletia stands at the bottom of the 

 group. 'It has the long, linear, scaleless body of Campodea, in 

 the family below, but the head and its appendages are like 

 Lepisma, the maxillary palpi being five-jointed, and the labial 

 palpi four-jointed. The eyes are simple, arranged in a row of 



153. Japyx solifugus. 



seven on each side of the head. The abdomen ends in three 

 long and many jointed stylets, and there are the usual " false 

 branchial feet" along each side of the abdomen. There are two 

 European species which occur in greenhouses. No species 

 have yet been found in America. 



The next family of Thysanura is the Campodeae, comprising 

 the two genera Campodea and Japyx. These insects are much 



