PLATE VII. 



i 



Anisolabis maritima Bonnell. 



2. Ischnoptera pennsylvanica De Gecr. Male. 



3. Blattella germanica Linnaeus, Male. 



4. Blatta oriental is Linnaeus, Male. 



5. Periplaneta americana Linnaeus, Male. 



6. Ootheca or egg case of a cockroach. 



7. Diapheromera femorata Say, Female. 



8. Nomotettix cristatus Scudder, Female. 



9. Tettix ornatus Say. Female. 



10. Tettigidea parvipennis Harris, Female. 



11. Pseudopomala brachyptera Scudder, Female. 



12. Try.valis brevicomis Linnaeus, Female. 



