PLATE XVI. 



LiBURNIA STRIATELLA. (Page 55.) 



Fig. 1. — Brachypterous wingless female. 

 Fig. la. — Macropterons form. 



LiBURNIA OBSCURELLA. (Page 55.) 



Fig. 2. — Macropterons female. 

 Fig. 2a. — Head, pronotmii, and antennae of the same. 

 Fig. 26. — Frons, showing the keels, clypeus, and 

 rostrum. 



LiBURNIA BREViPENNis. (Page 56.) 



Fig. 3. — Brachelytrons form. 



Fig 3a. — Elytron, showing the simple venation. 



LiBURNIA Fairmairei. (Page 56.) 



Fig. 4. — Brachelytrons form. (See also Plate XXL, 

 fig. 2.) 



LiBURNIA DouGLAsi. (Page 57.) 



Fig. 5. — Brachelytrons female, showing a narrow 

 py gofer. 



Fig. 5a. — Brachelytrons male, with a widened pygofer. 



Fig. 5h. — Pygofer of female, viewed from above. 



Fig. 6c. — Pygofer of male, from the same point of 

 view. 



Fig. 6. — Pygofer of Libimiia Icptosoma. (Vide Plate 

 XIIL, fig. 13.) 



Fig. 7. — Pygofer of Lihurnia Boldi. After Edwards. 



