Fig. 10. (i) Driotiira gammaroides Van Duzee, — dorsal view. (2) 

 Eiiscelis parallehis Van Duzee, — elytron. (3) Chlorotettix unicolor Fitch, — 

 elytron. (4) Thammotettix fitchii Van Duzee, — elytron. (5) Phlepsiiis 

 irroratus Say, — elytron. (6) Euscelis striolus Fallen, — head, dorsal view. 

 (7a) Acinopterus actcmmatiis Van Duzee, — head, lateral view; (7b) same, 

 dorsal view. (8) Jassus olitorius Say, — elytron. (9) Eutettix seminiidus 

 Say,_ — elytron. (10) Cicadula variata Fallen, — elytron. (11) Balclutha 

 impicta Van Duzee, — head, dorsal view. (12) Eugnathodus abdominalis 

 Van Duzee, — head, dorsal view. (13) Cicadula variata Fallen, — head, 

 dorsal view. (14a) Neocoelidia tumidifrons Gillette and Baker, — head, 

 dorsal view; (14b) same, lateral view. (15a) Jassus olitorius Say, — head, 

 dorsal view; (15b) same, lateral view. All greatly enlarged. Drawing 

 by D. M. and F. M. DeLong. 



