16 BULLETIN 535, U. S. DEPARTMENT OF AGRICULTURE. 



(8) Winn, A. F. 



1910. The horse-radish flea-heetle. In 41st Ann. Rpt. Ent. Soc. Ont., 

 p. 59-60. 



Occurrence at Westmount, Quebec, Canada, from horse-radish roots from Mon- 

 treal, in May, 1910, and review. 



(9) Heikektingek, Fkanz. 



1911. Verhandl. K. K. Zool. Bot. Gessell. Wien., p. 16, 17, and 19, 

 fig. 8. 



Review of Chittenden (1895). 



(10) 



1912. Die einheimischen Kohlenlflohe. In Centbl. Bakt. [etc.], Bd. 36, 

 Abt. 2. fig. 4, p. 105. 106, and 115. 



Discussion of relationship, characters, and figure of male. 



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