INSECTS 



4. Another species of the same family of insects, 

 fvhich has also destroyed the grasses, and the leaves 

 of the sugar maple, &c. 



5. Two species of BruchuSy viz. the common 

 pea bug f Bruchus PisiJ^ which commits such 

 dreadful havoc upon the common garden pea (pisum 

 sativum), and another species, principally confined 

 to the southern parts of the United States. 



6. The common striped " Potatoe Jiy^^ ( Lytta 

 -vittata of Fabricius), destructive to the potatoe (so- 

 lanum tuberosum), and other vegetables, and so be- 

 neficially employed as a substitute for the cantha- 

 rides of the shops. 



7. Different species of Phalisna^ the larvae of which 

 destroy the leaves, &c. of the common apple tree, 

 the crab apple (pyrus coronaria), the wild cherry 

 tree (prunus virginiana), 8cc. 



8. Different species of Curculio^ or weavel, parti- 

 cularly those which destroy the young fruit of the 

 peach, the plumb, the apricot, the nectarine. Sec* 



9. The Zygaena Persicce^ and other insects which 

 prove destructive to the roots and branches of the 

 peach tree. 



10. The periodical locust ( cicada sefitendecim 

 of which some account is given in the first part of 

 Dr. Barton*s Philadelphia Medical and Physical 

 Journal. In the memoir^ however, the author has 

 cofifined himself principally to an account of the in- 

 juries inflicted by this insect, and the means of pre- 

 venting these injuries. 



* For a full account of the fruit Curculio, see the Domestic Ency- 

 tlopsedia, articie ''fruit,** 



Ll 



