121 



3. Territories liable to Destructive Appearances of the Joint Worm (laosoma /<"/•- 



(lei) and the Wheat Straw Worm (Isosoma tritiei). 



4. Distribution of the Colorado Potato Beetle (Doryphara decimlineata) in Injuri- 



ous Numbers, revised from Potato Pests, by C. V. Riley. 



5. Distribution of the; Rose-chafer (Macrodactylus subspinosus), and the Plum 



Curculio (Conotrachelus nenuphar). 



6. Distribution in Injurious Numbers of the Imported Elm Leaf-beetle (Galeruca 



xanthomelcena), and the .Sugar Cane and Corn Stal'c-borer (IHaireea sacchar- 

 ahs). 



7. Distribution within the United States and Canada of the Army Worm (Leu- 



can ia unipuncta). 



8. Distribution ot Clover Leaf Weevil (Phytonomns punctata*); Lesser Corn 



Stalkborer (Pempelia Ugnosella) ; Southern Buffalo Gnat (Simulium pecua- 

 rum); San Jose or Pernicious Scale (Aspidiotus pemicio8us). 



9. Country liable to Injurious Appearances of the Cotton Caterpillar (Aletia 



xylina); the Asparagus Beetle (Crioeeris asparagi). 



10. Distribution of Vegetation with Reference to the Multiplication of and 



Means of Subduing the Pocky Mountain Locust. 



11. Distribution of the Rocky Mountain Locust (CaJoptenua spretus). 



12. Distribution of the Chinch Bug (Jilisnus leucopterus), corrected from Bulletin 



5, United States Lntomological Commission. 



13. The Periodical Cicada, Distribution and Natural Appearance of the differ- 



ent Broods for the next sixteen years. (1(! maps.) 



14. The Periodical Cicada — Map showing Distribution of the aeptendecim and 



tredicim Races. 



