PLATE I. 



Representatives of the Sevkn Principal Orders oe Insects. 



1. Orthoptera — Hippiscus rugosus. 



2. Diptera — Exoprosopa caliptera. 



3. Hemiptera — Rasahus higuttatus. 



4. Lepidoptera — Papilio turnus, 



5. Coleoptera — Buprestis. 



6. Hymenoptera — Vespa germanica. 



7. Neuroptera — Polystcechotes punctatus. 



All natural size. 



