78 



PROBLEMS OF LAKE BIOLOGY 



Krogh, August, Lange, E. and Smith, W. 1930. 



On the Organic Matter Given Off by Algae. Bio- 



chem. J., 24: 1666. 

 Martin, G. W. 1922. The Food Eesonrees of the 



Sea. Sci. Monthly, 15: 455. 

 . 1923. JF'ood of the Oyster. Bof. Gaz., 



75: 143. 

 . 1928. Experimental Feeding of Oysters. 



Ecol., 9: 49. 

 Naumann, E. 1917. Undersiikningar ofver Fyto- 



plankton och under den pelagiska regionen, etc. 



K. Sv. Vet. Alad. HandL, 56, No. 5: 1. 

 Peaesall, W. H. 1922. A Suggestion as to Fac- 

 tors Influencing the Distribution of Free-floating 



Vegetation. J. Ecol., 9: 241. 

 . 1924. Phytoplankton and Environment 



in the English Lake District. Rev. Algol., 1: 53. 

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Lakes. II. The Composition of the Phytoplank- 

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Prescott, G. W. 1931. Iowa Lake Survey. A 

 Eeport to the Iowa State Fish and Game Depart- 

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. 1932. A Report on a Study of Some 



Biological Problems in Iowa Lakes. A Report 

 Submitted to the Iowa State Fish and Game 

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Putter, August. 1909. Die Ernahrung der Was- 

 sertiere und der Gewasser. Jena. 



Rawson, D. S. 1930. The Bottom Fauna of Lake 

 Simcoe and Its Role in the Ecology of the Lake. 

 Univ. Toronto Stud. Pul)l. Ontario Fish. Besearch 

 Lab., No. 40: 1. 



Eickett, H. W. 1922. A Quantitative Study of 

 the Larger Aquatic Plants of Lake Mendota. 

 Trans. Wis. Acad. Sci., 20: 501. 



Smith, G. M. 1920. Phytoplankton of the Inland 

 Lakes of Wisconsin. Part I. Wis. Geol. and 

 Nat. Hist. Surv. Bull. 57, Sci. Ser., 12: 1. 



. 1924. Ecology of the Plankton Algae 



in the Palisades Interstate Park, including the 



Relation of Control Methods to Fish Culture. 

 Roosevelt Wild Life Bull., 2: 88-195. 



Strom, K. M. 1924. Studies in the Ecology and 

 Geographical Distribution of Fresh Water Algae 

 and Plankton. Eev. Algol., 1: 127. 



. 1928. Production Biology of Temper- 

 ate Lakes. Inter. Eev. d. Ges. Hydrob. v. Hy- 

 drogr., 19: 329. 



. 1927-1928. Recent Advances in Lim- 



nology. Proc. Linn. Soc, Session 140 : 96. 



Thienemann, a. 1936. Die Binnengewasser Mit- 

 teleuropas. Bd. I. 



Tiffany, L. H. 1921. Algal Food of the Young 

 Gizzard Shad. Ohio J. Sci., 21: 113. 



. 1934. The Plankton of the West End 



of Lake Erie. Frans Theodore Stone Laboratory, 

 Ohio State Univ., Contr. 6: 1. 



Welch, Paul S. 1916. Contributions to the Biol- 

 ogy of Certain Aquatic Lepidoptera. Ann. Ent. 

 Soc. Am., 9: 159. 



. 1924. Observations on the Early Larval 



Activities of Nymphula maculalis Clemens (Lepi- 

 doptera). Ann. Ent. Soc. Am., 17: 395. 



1935. Limnology. McGraw-Hill, N. Y. 



Wesenberg-Lund, C. 1900. Von dem Abhangig- 

 keilverhiiltnis zweischen dem Bau der Plankton- 

 organismen und dem spezifischen Gewicht des 

 Siisswassers. Biol. Centralbl., 20: 606; 644. 



West, W. and West, G. S. 1912. Periodicity of 

 the Phytoplankton of Some British Lakes. J. 

 Linn. Soc. Bot., 40: 395. 



Wiebe, a. H. 1930. Investigations on Plankton 

 Production in Fish Ponds. Bull. U. S. Bur. Fish., 

 46: 137. 



Wiebe, A. H., Radcliffe, Rowena and Ward, Fred. 

 1929. The Effect of Various Fertilizers on Plank- 

 ton Production. Trans. Am. Fish. Soc, 59: 94. 



Wilson, L. R. 1935. Lake Development and Plant 

 Succession in Vilas County, Wisconsin. Part I. 

 Ecol. Monogr., 5 : 207. 



. 1937. A Quantitative and Ecological 



Study of the Larger Aquatic Plants of Sweeney 

 Lake, Oneida County, Wisconsin. B^ill. Torr. 

 Bot. Club, 64: 199. 



