I 



r 



C.'p. 



U i.e. 



c-.-.w 



■A 



^' 







r.-cj. L 



1J^V' 



n^.i. 



Fig. 200. — 1, The external structure of the grasshopper, Dissosteira spurcata. 

 al.. Hind angle of lateral lobe ; cm., crest of the metazone ; c.p., crest of the 

 prozone ; g., gena ; g.g., genal groove ; I.e., lateral carina of the metazone ; m.p., 

 maxillary palpus ; t.L, transverse incision. 2, Front view of the head of the grass- 

 hopper, 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.e., frontal costa ; 

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

 inan., mandible ; in.e., median carina of the fastigium ; in.p., maxillary palpus ; 

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

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

 ment Station.) 



