LIST OF ILLUSTRATIONS. 



Fig. 



TEXT-FIGURES. 



1. Buthus occitanus (Yellow European Scorpion) 



2. Euscorpius italicus (Little Black European Scorpion) 



3. Latrodectas tredecimguttatus 



4. Demodex folliculorum .... 



5. Sarcoptes scabiei (Itch Mite) in its gallery 



6. ,, ,, ,, removed from its gallery 



7. Cytoleichus liominis 



8. Tyroglyphus longior, var. eastellanii 



9. Glycypliagus do/nc.sticus 



10. Pediculoides ventricosus 



11. Tydeus molestus . 



12. Dermanyssus gallinae 



13. ,, aegyptiux 



14. Liponysms bursa . 



15. ,, bacoti 



16. Argas persicus (Fowl Tick) 



17. Ornithodoros moubata . 

 18- ., megnini (Spinose Ear Tick) 



19. Amblyomma americanum (Lone Star Tick) 



20. Hyalomma aegyptiwm . 



21. Margaropus annnlatiis (Cattle Tick) 



22. ,, ,, capitulum 



23. Rhipicephalus sanguineus 



24. Ixodes ricinus 



25. Scolopendra morsitans . 



26. Geophilus longicomis 



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PLATES. 



Plate I. Microtrombidium akamushi (Tsutsugamushi) 



To face page 24 



Plate II. Microtrombidium autumnal,- (Harvest Bug) 



To face page 25 



Plate III. Dermaccntor vniustus (Bocky Mountain Spotted Fever 



Tick) To face page 49 



