CONTENTS. ix 



CASE VIII. 



MITES. 



^^ Tromeidiinae (Tetraxychidae, Spinning IMites). seepage 



1. Tetranychus telarius, red spider, sketch of lan-a .... 97 



2. Do. do., sketch of male ., 



3. Do. do., sketch of female ,, 



4. Tetranychus lintearius, magnified sketch 104 



5. Tetranychus, sp., on oak, magnified sketch .... 107 



6. Tetranychus fici, sketch of leaf attacked , 



7. Do., magnified sketch of insect ,, 



8. Tetranychus tiliarum, magnified sketch of insect , , 



9. Do., leaf of lime attacked by do ., 



10. Tetranychus socius, magnified sketch of do. 108 



11. Tetranychus eriostemi, leaves of Eriostemon neriifolium attacked by do. 109 



12. Do., magnified sketch of leaf shewing the mischief . . • »} 



13. Do., twig shewing mischief on do. . . . . . . ,, 



14. Do., magnified sketch of do. ,, 



15. Do., magnified sketch of insect ,, 



16. Tetranychus autumnalis, magnified figure of young stage . • >> 



17. Do., magnified figure of perfect insect, under side . . . . ,, 



18. Tetranychus trombidinus, enlarged figure of insect . . . .114 



19. Raphignathus ruberrimus do. ,, 



20. Megamerus celer do. . . . .116 



21. Tetranychus ? americanus do. ,, 



22. Tetranychus ? irritans do. ....,, 



23. Petrobia lapidum, enlarged figure of young iiS 



24. Do,, enlarged figure of perfect insect ,, 



25. Eupodes celer, enlarged figure of young 121 



26. Do., enlarged figure of perfect insect . . . . • »> 



CASE VHP. 

 I. Specimens of web of Tetranychus Imtearius on furze bush, from 



Weybridge. The red dust on the web is dead mites . . . 104 



CASE IX. 



MITES {continued). 



Trombidiidae, Rankest Mites. 



1. Linopodes longipes, magnified sketch of insect 122 



2. Linopodes ravus do. 123 



3. Linopodes cursorius do. .... 



4. Rhyncholophus cinereus do. .... 



5. Rhyncholophus phalangioides do. .... 



6. Rhyncholophus major do. .... 



