CASTES OF TERMOPSIS 



513 



vestiges broken off, the scars remaining, and such scars or mutila- 

 tions are very commonly found on individuals which have been 

 thought to belong to the third form. 



The nymphs of the second form 



The nymphs of the second form are not known to me with ab- 

 solute certainty, although one specimen in my material might 



Fig. 6 Termopsis angusticollis. Second-form adult, head and thorax, sur- 

 face view, wv, wing vestige; vi, scar or mutilation. Spencer Of. 6, obj.32mm., 

 stage level, reduced one-half. 



be either a nearly mature nymph or a young adult of this caste. 

 This specimen is about 10.5 to 11 mm. long. The body is 

 creamy white, the eyes pale pink with white rims, oval and 

 small. The meso- and metathoracic segments are broad from side 

 to side and bear very small wing vestiges, the second pair extend- 

 ing only over part of the second abdominal segment. The in- 

 ternal anatomy of the second-form nymph has not been studied, 



