Plate XXVIII. 



Schlzura unicornis, Stage I; la, side view; lb, third segment, side view, enlarged. 



Schizurii unicornis. Stage II; 2a, side view; 26, face; '2c, third abdominal segment, side view; 2d, tubercle of" 



first abdominal segment, front view; 2e. dorsal view of end of body. 

 ScJiizura unicorniK, Stage III; 3a, side view; 35, larva natural size; 3c, third abdominal segment, side view. 

 Schizurii unicornis. Stage IV; ia, side view; 46, dorsal tubercle first abdominal segment; 4c, third abdominaL 

 segment, side view; 4rf, dorsal tubercle, third abdominal segment. Bridghaiu del. 

 Fig. 5. Schizura unicornis, natural size. Wilder del. {From 5th Kcport U. 8. Entomological Commission.) 

 Fig. 6. Scliizura unicornis, Georgia. Leconte del. 



348 



