Journal of Entomology and Zoology 



Color oj supposed Male Cephalothorax and maxillae, dark rod- 

 dish brown. Abdomen and legs light yellow brown. 



Color oj supposed i < male and Juvenile — All parts bright yellow 



brown. 



Cephalothorax suboval, upper margin strongly concave at the 

 sides and tapering to a point at the median line. Sides convex at 

 upper edge; lower margin strongly convex. 1 he cephalothorax is 

 strongly chitinized, showing two small oval spots. The small 

 suboval area between the chitinized cephalothorax and the abdomen 

 is soft with five chitinized plates. 



On the dorsal surface ol each abdominal segemnt are two muscle 

 depressions, while on the ventral surface the fourth, fifth and sixth 

 segments have dark colored plates near the segmental divisions 

 which are used tor musele attachments; besides the two muscle 

 depressions. 



I he book-lungs openings are found on the ventral surface oi the 

 first abdominal segment, as is also the epigynum. 



I he caudal appendage ol the juvenile and female is made up ol 

 three small joints tapering to a blunt cno\. It is held in an upright 

 position above the abdomen. Cook in his description supposed 

 this form to be a female ov juvenile; Krayselin considers it a dif- 

 ferent species, but upon close stud) ol the rest ol the organs ol 

 tins form it was finall) decided that it was a juvenile and probably 

 a female, the supposition being held that the juvenile took the form 

 ol the female, as is olten the ease, until the last tew molts. The 

 epigynum ol tins form was extremely undeveloped, having onl) a 

 small epigastic furrow with depressions at either end. 



The caudal appendage ol the supposed male is made up ol two 

 stout joints to which is attached a heart-shaped body tapering to a 

 blunt apex. This body lias deep pits both {in the dorsal and ven- 

 tral sides near the base. 



On the tibia ol the first pair ol legs are two long speeial sensor) 

 hairs set in little pits. ( >n the second, third and fourth legs one 

 hair was found, also o]\ the tibia. These hairs are three-fourths 

 as long as the leg. 



The mouth parts consist ol a pair ot strong mandibles and lab- 

 ium. The labium is placed between the two coxae ol the maxillae. 



