The Hog Louse 725 



SoLOwiow, Paul. Zum Bau cles Verschlussapparates der Stigmcn bei 

 den Iiisekten. Zool. Anz. 34:705-711. 1909. 



Stevenson, Earle. The hog louse. In The external parasites of hogs, 

 being ai'ticles on the hog louse {Haeiiiatojjinus sui^) and mange, or scabies, 

 of hogs. U. S. Anim. Indus. Bur. Bui. 69:9-21. 1905.' 



Strobelt, Oscar. Anatomie und Physiologie von Haejiiatopinus tenui- 

 rostris. Inaug. Diss., Diisseldorf. (EngKsh translation, Ann. and mag. 

 nat. hist., ser. 5:11:73-108. 1883.) 1882. 



Swammerdam, John. The book of nature; or, The history of insects, 

 p. 1-153. (Reference on p. 30-39.) (Translated from the Dutch and 

 Latin original edition by Thomas FUoyd. Revised and improved by 

 notes from Reaumur and others, by John Hill. 1758.) 1682. 



Watts, H. R. The hog louse. Univ. Tennessee Agr. Exp. Sta. Bui. 

 1:201-16. 1918. 



Wedl, C. tlber das Herz von Meiiopon pallidum. K. Akad. Wiss. 

 [Vienna], Math.-Naturw. Kl. Sitzber. 17:173-180. 1855. 



WiDMANN, Eugen. Beitriige zur Kenntnis der Biologic der Kleiderlaus 

 und deren Bekampfung. Ztschr. Hyg. u. Lifektionskr. 80:289-298. 

 1915 a. 



Zur Frage der Uebertragung von Bakterien durch Lause. 



Munchen. med. Wchnschr. 62:1.336-1338. 1915 b. 



Memoir 41, Lysimeter Experiments — 11, the tenth preceding number m this series of pubUcations, was 

 mailed on November 16, \92\. 



