1920] Allen: Plankton of the San Joaquin River 291 



LITERATURE CITED 



(Owing to lack of time the writer is unable to present an exhaustive biblio- 

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 constantly in use, all of them being in the writer's immediate possession. The 

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Birge, E. A., and Juday, C. 



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Brauer, A. 



1912. Siisswasserfauna Deutschlands. XIV, Rotatoria and Gastrotricha, 



Jena. 

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1901. Beitrage zur Kryptogamenflora dor Schweiz. Band I, Heft 3. Algues 

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Clapp, W. B., and Henshaw, F. F. 



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Conn, H. W. 



1905. Preliminary report on the Protozoa of the fresh waters of Connec- 



ticut. Conn. St. Geol. Nat. Hist. Surv., Bull. no. 2. 



Harring, H, K. 



1913. Synopsis of the Rotatoria. U. S. Nat. Mus., Bull. no. 81. 



Herrick, C. L. 



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1889. The Rotifera, or Wheel-animalcules, both British and foreign. 2 vols, 

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 Izquierdo t Sanfuentes, V. 



1906. Ensayo sobre los protozoos de las aguas dulces de Chile. Santiago, 



Cervantes. 

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1901. Rotatoria of the United States, with special reference to those of the 



Great Lakes. Bull. U. S. Fish Comm, 19, 1899. 

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" Am. Nat., 35, 725-777. 

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 Kent, W. S. 



1880. Manual of the Infusoria, including a description of all known fla- 

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 Kofoid, C. A. 



1903. Plankton of the Illinois River, 1894-1899. Bull. 111. State Lab. Nat. 



Hist., 6, no. 2. 

 1908. Ibid., 8, no. 1. 



