LOCUSTID^E. 197 



Cerci lanceolate. Oviduct curved upward, about twice the length of the 

 cerci. Legs thick, rather short; femora without spines; tibiae with an 

 apical circlet of six spines; four anterior tibia? with two spines on the outer 

 side and with two near the tip on the inner side; hind tibiae with three 

 spines on the outer side and with four larger spines on the inner side ; tarsi 

 slender; second and third joints very short. Wings rudimentary. 



21. STENOPELMATUS PICEIVENTRIS. 



Foem. Fulvus ; vertex e I prothoracis discus subpicei ; mandibula apice 

 nigrcB ; antennceferruginece, basi fulvce ; abdomen piceum,subtus basi 

 fulvum ; oviductus piceus, apice fulvum. 



Female. Tawny. Head above with a slight piceous tinge. Eyes 

 blackish. Mandibles black towards the tips. Antennas ferruginous, tawny 

 at the base. Disk of the prothorax slightly piceous. Abdomen piceous; 

 under side tawny at the base. Cerci tawny. Oviduct piceous, tawny at 

 the lip. Spines of the tibiae with black lips. Length of the body 

 18 lines. 



Group 11. 



Mas. Corpus convexum, glabrum, nitens, sat robustum, fere cylindri- 

 cujn. Caput prothorace paullo latins ; vertex lineolis quatuor longitiulin- 

 alibus subimpressis, carinulis duabus anterioribus. Prothoracis latera 

 subrotundata. Abdomen prothorace triple longius. Pedes breviusculi ; 

 tibiae quatuor anteriores trispinosae ; tibia? posticae biseriatim quinque- 

 spiuosae. 



Male. Body convex, smooth, shining, rather stout, nearly cylindrical. 

 Head a little broader than the prothorax ; vertex rounded, with four 

 slightly impressed longitudinal lines; two slight ridges between the eyes, 

 diverging in front ; fore part vertical. Eyes pear-shaped, slightly prominent. 

 Prothorax transverse, with a transverse furrow near the fore border ; sides 

 slightly rounded. Abdomen about twice the length of the prothorax. 

 Legs stout, rather short; four anterior tibia? with two spines on one side 

 and with two larger spines on the other side ; hind tibiae with five spines on 

 each side; tarsi rather slender. 



22. STENOPELMATUS ZONATUS. 



Mas. Testaceus ; prothorax piceo bifasciatus ; abdominis segmenta nigro 

 marginata. 



Male. Testaceous. Eyes piceous. Mandibles with black tips. Pro- 

 thorax with a piceous band on the fore border and another on the hind 

 border. Abdomen with a black band on the hind border of each dorsal 

 segment. Spines and claws with black tips. Length of the body 

 13 lines. 



Group 12. 



Mas. Corpus crassum, glabrum. Caput prothorace paullo latius, 

 carinulis duabus inter oculos connexis antice deflexis; frons et facies 



