LOCUSTIDJE. 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 tibiae 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. 



Fcem. Fulvus ; vertex -el prothoracis discus subpicei ; mandibvhe apice 

 nigra ; antennce ferrnginece, basi fulvce ; abdomen piceum, sublus bast 

 fulvum ; oviductus piceus, apice fidvum. 



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

 blackish. Mandibles black towards the lips. Antennae 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 tips. Length of the body 

 18 lines. 



Group 11. 



Mas. Corpus convexum, glabrnm, nitens, sat robusturn, fere cylindri- 

 cum. Caput prothorace paullo latins ; vertex lineolis quatuor lougitudin- 

 alibus subimpressis, carinulis duabus anterioribus. Prothoracis latera 

 subrotundata. Abdomen prothorace triplo longius. Pedes breviusculi ; 

 libiae quatuor auleriores itispinosae ; tibiae pusticas biseiialim quinque- 

 spinosae. 



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 ihe length of the prolhorax. 

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

 and wilh 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 nigra 

 marginala. 



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 erassum, glabruin. Caput prothorace paullo latius, 

 caiiuulis duabus inter oculos connexis anlice deflexis; frons et facies 



