1905] 
RF.CEXr ENTOMOLOGICAL LITERATURE 
49 
“Ventral scutes of the abdomen often defective. When developed, seven on 
each segment, viz: a large transverse median scute anteriorly; behind this a 
transverse row of four small scutes, of which the median pair may be concrete; 
at each side of these five scutes an elongate longitudinal scute. On the eighth 
and ninth abdominal segments the five median scutes are more or less concrete. 
“.\nal tube exserted; conical, conical-cylindrical or cylindrical; usually 
somewhat longer than the ninth abdominal segment, and generally used in loco- 
motion. Anus terminal. 
“Cerci, with rarest exceptions, present, and attached to the dorsum of the 
ninth abdominal segment. 
“Habits active, commonly predaceous; usually subterranean, or living under 
stones or pieces or wood, or beneath loose bark on decaying trees; usually 
nocturnal, or shunning light. 
“Larval stages number three (or four).” 
R. H. 
