86 



ODONATA. 



to rend the skin, and the middle portion of the body 

 was forced outward. At 10.40 the longitudinal seam 

 opened, and the head and forward part of the thorax 



Fig. 42, a. 



were pushed out. At 10.48 the two forward legs 

 were drawn from their cases; at 10.49, the second 

 pair was pulled out; at 10.55, ^ three pairs were 

 free. From this time to 11.06 the head and thorax 



Fig- 43- 



were thrown backward ; the legs extended outward 

 and were colorless ; the wings were milk-white pads. 

 At times convulsive movements shook the abdomen. 



