Plate XXYIIL 
FiG. 1. ScTiizura unicornis, Stage I; la, side view; 1&, third segment, side view, enlarged. 
Fig, 2. Schizura unicornis, Stage II; 2a, side view; 2h, face; 2c, third abdominal segment, side view; 2d, tubercle of“ 
first abdominal segment, front view; 2e, dorsal view” of end of body. 
Fig. 3. Schizura unicornis, Stage III; 3a, side view; 36, larva natural size; 3c, third abdominal segment, side view. 
Fig. 4. Schizura unicornis. Stage IV ; 4a, side view; 46, dorsal tubercle first abdominal segment; 4c, third abdominal. 
segment, side view; 4d, dorsal tubercle, third abdominal segment. Bridgham del. 
Fig. 5. Schizura unicornis, natural size. Wilder del. (From 5th Keport U. S. Entomological Commission.) 
Fig. 6. Schizura unicornis, Georgia. Leconte del. 
348 
