88 EXPLANATION OF PLATES. 



PLATE I. 



Figs. 



1. Cleopatra apple, showing no sign of Pit or bruise externally, but revealing a flaw 



in the flesh internally when X-ray photograph was taken (Dr. Lemon). 



2. The same when X-ray photograph was taken in April after the apple had developed 



Pit. The flaw in the flesh is still seen to persist (Dr. Lemon). 



3. Photograph of same apple, showing Pit developed towards eye end and in longi- 



tudinal section (13/4/15). 



4. Cleopatra apple from the six that were kept as check the only one showing Pit. 



Median longitudinal section of same for comparison with Fig. 3. 



