PROCEEDINGS, 1918 31 



2. Forbes, S. A. 



1900. Economic Entomology of the Sugar Beet. 

 Univ. 111. Agr. Expt. Sta. Bull. 60, : 504-505. 



2a Forbes, S. A. 



1905. Twenty-third Report, 111. St. Ent.: 72-74. 



3. Chittenden, F. H. 



1903. The Salt Marsh Caterpillar. U. S. Dept. 

 Agr. Div. Ent. Bull. 43, : 43-45. 



4. Hinds, W. E. 



1904. Life History of the Salt Marsh Caterpillar. 

 U. S. Dept. Agr. Div. Ent. Bull. 44,: 80-84. 



5. Gibson, A. 



1905. Woolly Bears. 36 Ann. Report Ent. Soc. 

 Ont.: 113-114. 



6. Sanderson, E. D. 



1906. Salt Marsh Caterpillar. U. S. Dept. Agr. 

 Bureau of Ent. Bull. 57, :33-35. 



7. Hooker, W. A. 



1907. The Salt Marsh Caterpillar. U. S. Dept. 

 Agr. Bur. Ent. Bull. 67,: 109. 



8. Patch, E. 



1908. Estigmene acraea. Maine Agr. Sta. Bull. 

 162, :358. 



