78 THE ROLE OF ALGAE AND PLANKTON IN MEDICINE 



251. Effects of radioactive substances on the anaerobic digestion of sewage sludges, 

 U.S. Atomic Energy Commission. Technical Information Service. Report No. 

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252. Coopey, R. W.: Radioactive plankton from the Columbia River, Tr. Am. 

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253. Francis, G.: Poisonous Australian lake, Nature (London & New York) 

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254. Fitch, C. P., and others: "Water bloom" as a cause of poisoning in domestic 

 animals, Cornell Veterinarian 24:30, 1934. 



255. Cotton, H. L.: Algae poisoning, Am. J. Vet. Med. 9:903, 1914. 



256. Gillam, W. G.: The effect on livestock of water contaminated with fresh 

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257. Grant, G. A., and Hughes, E. O.: Development of toxicity in blue-green 

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258. Steyn, G.: Poisoning of animals by algae on dams and pans, Farming in 

 South Africa 25:489, 1943. 



259. Steyn, G.: Vergiftiging deur slyk (algae) op damme en panne, South 

 African M. J. 28:378, 1944. 



260. Steyn, G.: Poisoning of animals and human beings by algae, South African 

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261. Deem, A. W., and Thorp, F.: Toxic algae in Colorado, J. Am. Vet. Med. 

 Assoc. 9:5:542, 1939. 



262. McLeod, J. A., and Bondar, G. F.: A case of suspected algal poisoning in 

 Manitoba, Canad. J. Pub. Health 43:347, 1952. 



263. Louw, P. G. J.: The active constituent of the poisonous algae, Mycrocystis 

 toxica Stephens, South African Industrial Chemist 4:62 (April) 1950. 



264. Quin, A. H.: Sheep poisoned by algae, J. Am. Vet. Med. Assoc. 202:299, 



1943. 



265. Olson, T. A.: Toxic plankton, Water & Sewage Works 99:75 (Feb.) 1952. 



266. Brandenburg, T. O., and Shigley, F. M.: "Water bloom" as a cause of poison- 

 ing in livestock in North Dakota, J. Am. Vet. Med. Assoc. 2 20:384, 1947. 



267. Prescott, G. W.: Objectionable algae with reference to the killing of fish and 

 other animals, Hydrobiologia, acta hydrobiologica (The Hague) 2:1, 1948. 



268. Stewart, A. G., Barnum, D. A., and Henderson, J. A.: Algal poisoning in 

 Ontario, Canad. J. Comp. Med. 24:197, 1950. 



269. O'Donoghue, J. G., and Wilton, G. S.: Algal poisoning in Alberta, Canad. 

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270. Mason, M. F., and Wheeler, R. E.: Observations upon the toxicity of blue- 

 green algae, (Am. Soc. Biol. Chemists. 36. Ann. meeting, Boston). Federa- 

 tion Proc. 2 (12): 124, 1942. 



271. Smit, J. D.: Experimental cases of algae poisoning in small animals, South 

 African Industrial Chemist 4:66 (April) 1950. 



272. Ashworth, C. T., and Mason, M. F.: Observations on the pathological changes 

 produced by a toxic substance present in blue-green algae (Mycrocystis 

 aeruginosa), Am. J. Path. 22:369, 1946. 



273. Wheeler, R. E., Lackey, J. B., and Schott, S.: A contribution on the toxicity 

 of algae. Pub. Health Rep. 57:1695 (Nov. 6) 1942. 



