216 



THE PEACH ORCHARD 



Ficl 144. — San Jose flcale on twig, as seen under magnifying lens or microscope. (Ken- 

 tucky Station.) 



Fig. 



145.— -Three left twigs infested with scale insects. A, San Jose scale; B, oyster-shell 

 bark-louse; C, the sourfy bark-louse; D, eggs of green grass-hoppers, sometimes mistaken for 

 scale; E, healthy twig. (Kentucky Station.} 



