460 



relevant articles in these groups are incorporated in the present paper, and 

 those which are provided with a bibliography are indicated in the follow- 

 ing list by an asterisk preceding the title. 



Sewage Entomology 

 Headlee, Thomas J. 



1919. Practical application of the methods recently discovered 

 for the control of the sprinkling sewage filter fly {Psychoda 

 aUcrnata). Journ. Econ. Ent. 13: 35-1:1, 4 figs., 2 pis. 



Headlee, Thos. J., and Beckwith, Charles S. 



1918. Sprinkling sewage filter fly, Psychoda altcniata Say. Idem, 

 11: 395-401. 



Johnson, J. W. Haigh 



1914. * A contribtition to the biolog}- of sewage disposal. Journ. 

 Econ. Biol. 9: 108-124, 12r-184', 33 figs. 



KOLKWITZ, R., AND MarSSON, M. 



1909. Okologie der tierischen Saprobien. Beitrage zur Lehre 

 von der biologischen gewasserbeurteilung. Internat. Revue 

 Hydrobiol. und Hydrogr. 2: 126-152. 



Marsson, M. 



1904. Die Abwasser-Flora und -Fauna einiger Klaranlagen bei 

 Berlin und ihre Bedeutung fiir die Reinigung Stadtischer 

 Abwasser. Mitt, aus d. Konig. Prufungsanstalt fur Wasser- 

 versorgung und Abwasserbeseitigung, 4 : 



Rhode, Carl 



1912. Tendipediden des anorganisch verschmutzten Wassers. 



Deutsch. Ent. Zcitsch., 1912: 289-291. 

 1912a. Tendipediden des organisch verschmutzten Wassers. Idem, 



291-298. 



SuTER, Russell, and Moore, Emmeline 



1922. Stream Pollution Studies. New York State Conserv. 

 Comm. 1922: 3-27, 7 pis. 



Weston, Robert Spurr, and Turner, C. E. 



1917. Studies on the digestion of a sewage-filter effluent by a 

 small and otherwise unpolluted stream. ]\Iass. Inst. Tech. 

 10: 1-98. 



For additional references see Hydrobiology list, Richard- 

 son, 1921a; Baker, 1922. 



Hydrobiology 

 Annandale, N. 



1921. The aquatic fauna of Seistan. A summary. Rec. Indian 

 Museum, 18: 235-253. 



