EXPLANATION OF PLATES. 



IX.— APPEARANCES MISTAKEN FOR BITTER PIT. 



(Figs. 54-61.) 

 PLATE XII. 



Fig. 



54. Cleopatra Apple with hail-marks on one side. (Tamar Valley, Tasmania, 18.1.12.) 



55. Royal Oak Apple with hail-marks. (Burnley, 30.10.11.) 



56. Cluster of Tuft's Baldwin Apple with hail-marks. (Burnley, 30.10.12.) 



57a. Jonathan Apple with spotting due to citrie acid — pricked. The punctures are 

 plainly visible on right-hand side of Figure. 



576. Jonathan Apple with spotting due to citric acid — unpricked. 



58. Mature Yates Apple, showing effect on skin when rubbed with a saturated solution 



in alcohol of corrosive sublimate. 



59. Solitary Jonathan Apple from tree which had been covered with mosquito netting 



and wire-netted over that. It had every external appearance of " Pit," but the 

 depressions on the skin were due to a Looper caterpillar tunnelling beneath. 

 (Burnley, 6.3.12.) 



60. Five Crown or London Pippin with brown depressions on surface due to Bacteria. 



61. Cross section of same through depressions, showing that the pitting is entirely 



superficial. 



