ILLUSTRATIONS. 



Page. 



)^g. 1. Method of hoisting tent over orange tree 9 



2. Tent carried over tree by the falling of pulleys 10 



3. Tent in position for fumigation 10 



4. Removing tent by horse power 11 



5. Series of tents for continuous operations 11 



6. Tents, tackle, and chemicals loaded for transportation 12 



7. Gasoline-power spraying outfit with four lines of hose in operation . . 15 



8. Hand-power spraying outfit with two lines of hose in operation 16 



9. Long scale (Mytilaspis gloveri) 21 



10. Purple scale {Mytilaspis citricola), stages of female 22 



11. Purple scale, stages of male ... 23 



12. Purple scale, formation of scale covering 23 



13. Florida red scale (Aspidiotus ficus) 23 



14. California red scale {Aspidiotus aurantii) 24 



15. Oleander scale {Aspidiotus hederse) 25 



16. Chaff scale {Parlatoria pergandei) 25 



17. Orange Chionaspis {Chionaspis citri) 26 



18. Black scale ( Lecanium olex) : Group of scales , 27 



19. Black scale, newly hatched larva 28 



20. Black scale, male series 28 



21. Imported ladybird {Rhizohius ventralis), enemy of black scale 29 



22. Imported chalcidid {Scutellista cyanea) parasite of black scale 29 



23. Soft scale {Lecanium hesperidum) 30 



24. Hemispherical scale ( Lecanium hemisphsericum ) 31 



25. Florida wax scale ( Ceroplastes floridensis) 32 



26. Barnacle scale ( Ceroplastes cirripediformis) 32 



27. Fluted scale ( Icerya purchasi) , female series 33 



28. Fluted scale, male series 34 



29. Australian ladybird {Novius cardinalis), enemy of the fluted scale 35 



30. Mealy bug {Daclylopius citri) 36 



31. White fly {Aleyrodes citri), various figures 37 



32. White fly, winged male and female 37 



33. The rust or silver mite {Phytoptus oleivorus) 39 



34. Six-spotted mite of the orange ( Tetranychus sexmaculaius) 42 



172 



