PLATE LXIII. 



DiCRANURA MOLLicuLA. (Page 105.) 



Fig. 1. — Imago, with expanded and irridescent 

 wings. 



Fig. 1 a. — Another specimen, with folded wings. 



Fig. 1 h. — Elytron, without any limbus. 



Fig. 1 c. — Wing of the same insect, showing the 

 union of the first and second radial nervures, before 

 they end in the marginal nerve. 



Fig. 1 cl. — Pygofer of the male, showing the caudal 

 chamber and lateral processes. 



Fig. 1 e. — Under side view of the female, with the 

 emarginate ventral plate and valves. 



DiCRANURA siMiLis. (Page 106). 



Fig. 2. — Imago, showing the external chambers of 

 the abdomen. 



Fig. 2 a. — Another example, with wings closed. 



Fig. 2 h. — General details of the male insect. 

 CEdeagus. c. Cauda, with setse. 



DiCRANURA ARMATA. (Page 107.) 



Fig. 3. — Examples of the female, showing the large 

 development of the saw-apparatus, with its sheaths. 



Fig. 8 a. — The three last abdominal rings of the 

 female, more magnified. The caudal process is seen 

 in profile above, at c. 



Fig. 4. — Hind tarsus of Dicranura fiavipennis. 



