A. H. Lees 



63 



Figs. 24-i6. Mite infected Reversion. Figs. 24-39. Illustrate case 7. Fig. 24. 3rd 

 leaf from base. Fig. 25. 6th leaf from base. Figs. 26-32. 7th-13th leaves from base. 

 Figs. 33-35. 15th-17th leaves from base. Figs. 36-37. 19th-20th leaves from base. 

 Fig. 38. 23rd leaf from base. Fig. 39. 25th leaf from base. Figs. 40-46. Series 

 showing change from normal, through reverted, to oak leaf. 



