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Fig. 172. — 1, The external structure of the grasshopper, Dissosteira spurcata. 

 al., Hind angle of lateral lob ; on., eresc ol the luatazune . c.p., crest of the i luzun*,* ; 

 g., gena ; g.g., genal groove ; I.e., lateral carina of the matazone ; yn.p., maxillary 

 palpus; t.i., transverse Incision. 2, Front view of the head of the grasshopper, 

 Dissosteira spurcata. a.g., Antennal groove ; ant., antenna ; c.c, lateral carina ; 

 c.e., compound eye ; c.f., central foveola ; e.g., carina of the antennal groove ; cl., 

 clypeus ; c.o., central ocellus; fas., fastigium of the vertex; f.c, frontal costa ; g., 

 gena; la., labrum ; I.e., lateral carina of the fastigium; l.p., labial jalpus ; 

 man., mandible ; m.c, median carina of the fastigium ; m.p., maxillary palpus ; 

 O.C., ocellus ; s.c, sulcation of the frontal costa ; t.f., tempora, temporal foveola ; 

 ver., vertex. (From Henderson, by permission of the Utah Agricultural Experiment 

 Station. ) 



