ILLUSTRATIONS. 



PLATES. 



Page. 

 Pl. I. Trees sprayed with crude petroleum and trees sprayed with lime, sul- 

 phur, and salt wash 34 



II. Plum tree sprayed with heavy lime wash 38 



TEXT FIGURES. 



Fig. 1. Melanoplus differentialis 11 



2. Melanoplus differentialis: ootheca or egg case 12 



3. Grasshopper eggs exposed by cultivation 15 



4. Patterson tarred sheet 18 



5. Hopperdozer 19 



6. D^ombidium locustarum: female, newly hatched larva, egg, eggshells.. 22 



7. Trombidium locustarum: mature larva, pupa, male and female adult .. . 23 



8. Macrobasis unicolor: female, male antenna . 23 



9. Sarcophaga sarracenese: larva, puparium, adult 24 



10. Sarcophaga assidua: larva, puparium, adult 25 



11. Euphorocera claripennis: adult, puparium 25 



12. Lucilia csesar 26 



13. Schistocerca americana: adult 26 



14. Schistocerca obscura: adult 27 



15. Schistocerca obscura: fifth stage 27 



16. Dictyophorus reticulatus: adult 28 



17. Dictyophorus reticulatus: egg sac 29 



18. Orchelimum agile: adult 30 



19. Orchelimum agile: eggs of, in cotton stalk 30 



20. Musca domestica: puparium, adult, larva - 41 



21. Drosophila ampelophila: adult, puparium, larva 42 



22. Homalomyia brevis: female, male, larva 43 



23. Stomoxys calcitrans: adult, larva, puparium 43 



24. Scatophaga furcata: male - 44 



25. Morellia micans: adult, puparium 44 



26. Plathypena scabra: moth, wings expanded and wings folded, larva, egg. 46 



27. Entilia sinuata: adult, nymph 76 



28. Entilia sinuata: developmental stages 77 



29. Ophion antankarus: wings of 82 



6 



