PAOE 



Tlui lti»<)t -rot- I ,w. 



InjurioHH to flio Bark or Wood iqq 



Tlie Woolly Aphis ,,.„ 



Sriile Insects or Bark-lice . iqq 



The Peiich-tree Borer jq/. 



Pear blight, Apple-blight, Fire-blight, Twigblight 101 



Black- knot _ ,^, 



Pouch Fruit-spot jq, 



AnthracnoHo of Ranpherry i,)i 



InjuriouH to the Leal' or Bud jOj 



Plant-lico or \{)liideH i,,i 



The Apple Leaf-crunipler jqj 



The Pear-leaf Blister 202 



The Tent-caterpillar jq2 



The Bag-worm , «„ 



The Tussock-moth j^o 



The Apple-Rcab 202 



The Pea r-bl igh t jqo 



'i'iio Leaf-spots -U,- 



Winter Forms and Appearances of the J'rincipal Nursery Pests 103 



Description and Discussion of Siiecies jO(; 



The Woolly Aphis ^^^. 



The Black Peach-Apliis jf,7 



The (Jrown-gnll .... 



The Root- rot , ^ , 



The Scale Insects i,.. 



The San Jose Scale and its Allies. 124 



Additional Nursery Scales wintering partly or fully grown 117 



Common Nursery Scales wintering in the Egg 118 



The Scurfy Scale j H^ 



The Oyster-shell Scale I |., 



The Grape Scale jv^ 



The Rose Scale or Raspberry Scale 120 



The Peach-tree Borer loi ' 



Pear-blight, Api)le-blight, Twig-blight, Fire-blight 124 



The Black- knot 12^-, 



Anthracnose of Raspberry J2(; 



Peach Fruit spot, Plum-scab, Cherry-scab 127 



The Apple-leaf Aphis 227 



The Cherry Aphis 22i) 



The Leaf-crum])ler 2'^<) 



T he Pea r-leaf Bl ister 2 .'{'> 



The Tent-caterpillar 2,'{4 v 



T he Bag-worm 2;{r, 



The Tussock-moth 2 3(5 



The Apple-scab j.jy 



The Canker-worm on Shade and Forest Trees 13<) 



At Jacksonville, 111 jjjcj 



At Decatur, 111 I^.j 



In tlie Sangamon Forests 24;{ 



