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Photo by American Colony Photographers, Jerusalem 



THE FIRST APPEARANCE OE THE EOCUSTS 



"Attention was drawn to them by the sudden darkening of the bright sunshine, and then 

 by a veritable shower of their excretions, which fell thick and fast and resembled those of 

 mice, especially noticeable on the white macadam roads. At times their elevation was in the 

 hundreds of feet; at other times they came down quite low, detached members alighting"' 

 (see text, page 513). 



512 



