xvi CONTENTS. 



NO. SEE PAGE 



5. Phytoptus coryli (Calycophthora avellanae, Amer.)^ hazel buds at- 



tacked by do , . . 354 



6. Do., sketch of buds so attacked ,, 



7. Phytoptus persicae, sketch of twig and buds of peach tree suffering 



from *'le meunier," supposed to be a species of Phytoptus . . ,, 



8. Phytoptus ribis, currant buds attacked by 355 



9. Do., sketch of do „ 



10. Do., magnified sketch of first stage of larva . . . . „ 



11. Do., do. of second stage „ 



12. Phytoptus tilice, lime tree leaf nail gall, specimen of gall on leaf . 356 



13. Do., sketch of leaf with galls ,, 



14. Do., magnified sketch of galls „ 



15. Do., magnified section of a gall • • >j 



16. Do., magnified figure of the insect, copied from Dujardin's 



figure . „ 



17. Phytoptus (Volvulifex) aceris, sycamore leaf bearing galls of do. . ,, 



18. Do. sketch of leal with do „ 



19. Do., sketch of leaf of variety of sycamore (P. Leopoldi), with 



galls on do ,, 



20. Do., specimen of do ,, 



21. Do., under side of sycamore leaf, showing galls on do. . . ,, 



22. Do., sketch of do. ,, 



23. Do., magnified section of gall of do „ 



24. Phytoptus myriadeum (Cephaloneon myriadeum, Br.'), specimen of 



leaves of common maple, with galls on do 357 



25. Do., sketch of do „ 



CASE XVII. 



MITES {conti7iued). 



Phytopti {contimted). 



1. Phytoptus (Typhlodromus) pyri, sketch of leaf of pear tree bearing 



galls of do. 358 



2. Do., specimens of do ,, 



3. Do., magnified section of gall of do ,, 



4. Do., magnified sketch of larva of do., after Scheuten . . . „ 



5. Do., perfect insect, do. ,, 



6. Phytoptus attenuatus (Ceratoneon attenuatum), leaves of sloe bearing 



galls of do. • . . . „ 



7. Do., sketch of do „ 



8. Phytoptus (Volvulifex) pruni, leaves of plum bearing galls of do. . 360 



9. Do., sketch of leaf of do . . . „ 



