10 U. S. BUREAU OF FISHERIES. 



Richmond, F. G. ^ 



1914. Some questions of tar. Salmon and Trout Magazine, No. 9, December, 

 1914, p. 35-42. London. 



RUSHTON, W. 



1921. Biological notes. Salmon and Trout Magazine, No. 25, April, 1921, p. 114. 

 London. 

 Salmon and Trout Magazine. London. 



1916. Road tarring. Salmon and Trout Magazine, No. 14, October, 1916, in 



Editorial Notes, p. 6-7. 



1919. The road-tarring cjuestion. Ibid., No. 18, April, 1919, p. 51-57. 

 Road tarring. Ibid., No. 20, November, 1919, in Editorial Notes, p. 7. 



1920. Road tarring and fisheries. — ^\\'^ork of the Joint Committee. Ibid., No. 23, 



September, 1920, in Editorial Notes, p. 9-10. 

 Scientific American. 



1921. When oil stops the shifting sands. Scieaaftific American, Vol. CXXV, 



No. 5, July 30, 1921, p. 83. J\lunn & Co., New York. 



Seydel, E. .. 



1914. Uber die Wu'kung von Mineralolen auf Fischwasser. Mitteilungen des 

 Fischereivereins, f. d. Provinz Brandenburg, Bd. 5, p. 26-28. Re- 

 viewed in Wasser T^. Abwasser, Bd. 7, p. 49. 



Shelford, Victor E. 



1917. An experimental study of the effects of gas waste upon fishes, with especial 



reference to stream pollution. Bulletin, Illinois State Laboratory of 

 Natural History, Vol. XI, Art. VI, p. 381-412. Urbana. 

 Shipley, A. E. 



1921. Oil from ships. Effects of discharge in the sea. Suffering fisheries. 

 Letter to the editor, London Times, January 21, 1921, p. 6. 

 Thomas, Adrian. 



. A study of the effects of certain oils, tars, and creosotes upon brook trout 



(Snlvelimifi fontinalis). Manuscript. 

 Townsend, Charles H. 



1908. Pollution of streams — an appeal to anglers. Reprinted from the twelfth 

 annual report of the New York Zoological Society, 1908, 7 p. New York. 

 Ward, Henry B. 



1919. Stream pollution in New York State. A preliminary investigation of the 

 problem from the standpoint of the biologist. Made in July and August, 

 1918. State of New York Conservation Commission, Albany. J. B. 

 Lyon & Co., Printers. 

 Weigelt, C. 



1904. L'assainissement et le rapeuplement des rivieres. Traduction fran^aise 

 de C. JuUn. (Extrait du tome LXIV, M^moires couronn^s et autree 

 M^moires, publics par I'Acad^mie royale de Belgique, 1903.) 668 p. 

 Carl Heymanns Verlag, Berlin. 

 Whipple, George Chandler. 



1914. The microscopy of drinking water. 409 p. John Wiley & Sons, Inc., 

 New York. 

 Wilson, H. Maclean and H. T. Calvert. 



1913. A text-book on trade waste waters: their nature and disposal. XII, 340 p, 

 C. GriflRn & Co., Limited, London. 



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