CONTENTS, XV 



CASE XV. 



MITES {conti?med). 



^^ Sarcoptidae (Itch and Louse Mites.) ^^^ ^^^^ 



1. Sarcoptes scabiei, eggs of do., one opened showing the embryo . 292 



2. Do., magnified diagram of the itch-insect's burrow in the human 



skin, with the insect at the further end and egg-shells and debris 



behind ,, 



3. Do., magnified sketch of male, upper side ,, 



4. Do., of female, under side ,, 



5. Sarcoptes cati, magnified sketch of male ( S. cuniculi, 6*1?^/., S. minor, 



Furst.) 302 



6. Sarcoptes mutans, magnified sketch of male, upper side . . . 305 



7. Do., male, side view ,, 



8. Do., female, under side . . . . . . . . ,, 



9. Psoroptes equi (Dermatokoptes communis, Furst.), magnified sketch 



of male, upper side 308 



10. Symbiotes bovis, magnified sketch of male, underside (Dermatophagus 



bovis, Furst) 313 



11. Sarcoptes nidulans, magnified sketch of i-nsect 314 



12. Myobia musculi, magnified sketch of male ..... 315 



13. Do., magnified sketch of mandibles, adapted for holding hairs . ,, 



14. Listrophorus gibbus, magnified sketch of insect .... 325 



15. Listrophorus leuckarti, do. ,, 



16. Myocoptes musculinus, magnified sketch of male and female . . 326 



17. Do., magnified sketch of female . . , . . . . ,, 



18. Dermaleichus, j/., magnified sketch of male 328 



19. Do., sp.ydo. of female. ,, 



20. Dermaleichus pici-majoris, do. of male 329 



21. Do., do. of female. . . . . ,, 



22. Dermaleichus chelopus, magnified sketch of insect . . . • ,, 



23. Demodcx folliculorum, do. . . . . ,, 



24. Do., magnified sketch of sebaceous follicle and bulb of human 



hair, showing the place where Demodex folliculorum is found . ,, 



CASE XVI. 



MITES {continued). 



Phytopti, Gall Mites. 



1. Phytoptus taxi, sketch of yew-tree twig with buds attacked by do. . 354 



2. Magnified sketch of Phytoptus taxi , 



3. Do. of section of bud of yew tree attacked by do. . . . ,, 



4. Do. specimen from which sketch taken ,, 



