48 BULLETIN 329, U. S. DEPARTMENT OF AGRICULTURE. 



*Wellman, F. C. Notes on some Angolan insects of economic or pathologic 

 importance. In Ent. News, v. 19, no. 5, p. 224-230, May, 1908. 

 Page 227. Simulium damnosum in Africa. 



*Wesche, W. The mouth-parts of the Nemocera and their relation to the other 

 families in Diptera. In Jour. Roy. Micros. Soc, p. 28-47, pi. 3-8. London, 

 1904. 



*Wes / twood, J. O. The watercress fly. In Gard. Chron., no. 13, p. 204, Mar. 



25, 1848. 



*Wiedemann, O. R. W. Aussereuropaische Zweifliigelige Insecten. Bd. 1, p. 71, 

 Hamm, 1828. 



" Kriebelmiicke." Simulia. S. venusta Say. Description after Say in German 

 and Latin. 



*Williston, S. W. List of Diptera of the Death Valley Expedition. In U. S. 

 Dept. Agr. Bur. Biol. Survey, no. 7, pt. 2 (North American Fauna), p. 

 253-268, 1893. 



Pages 253-254. Description of £?. argus n. sp. 



*Williston, S. W. Diptera of St. Vincent. In Trans. Ent. Soc. London f. 

 1896, p. 253-308, 1896. 



Pages 268-269. Description of S. iarsale n. sp. 



*Wiixiston, S. W. Biologia Centrali-Americana, Insecta Diptera, v. 1, p. 223- 

 224, 1900. 



Simuliidae — S. argus. 



*Wise, K. S. The Simulidsj of British Guiana. In Timehri : Jour. Royal Agr. 

 Com. Soc. British Guiana, v. 1, ser. 3, p. 248-254, 1911. 

 Description of S. guianense n. sp. 



*Zetteestedt, J. W . Insecta Lapponica. 1139 p. Lipsise, 1840. 



Pages 802-803. Fam. Simulides. Description of European species with previous 

 references. 



*Zetterstedt, J. W. Diptera Scandinavian, t. 9, p. 3414-3433. Lundae, 1850. 

 Fam. Simulides. Revision of the family, and also important biological notes. 



* Recent pellagra investigations by the British Pellagra Commis- 

 sion. (Under title of editorial.) In Jour. Trop. Med. London, v. 14, no. 

 24, p. 374-376, 1 fig., Dec. 15, 1911. 



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