90 EXPLANATION OF PLATES, 



PLATE II. 



Figs. 



5. Annie Elizabeth apple (No. 14), showing no external Pit, but revealing disease 



when X-rayed (Dr. Lawrence). 



6. The same when X-ray photograph was taken after Pit had developed on keeping 



for three weeks (Dr. Lawrence). 



7. Photograph of the three Annie Elizabeth apples (Nos. 13, 14, and 15), apparently 



sound, but showing indications when X-rayed, and afterwards developing Pit 

 externally and internally. 



