1116 AQUATIC PH YCOM YCETES 



Cook, W. R. I., and Schwartz, E. J. 1930. The life history, cytology and method 

 of infection of Plasmodiophora . . . . Phil. Trans. Roy. Soc. London, Ser. B, 

 218: 283-314, pis. 19-21. 



Cooke, M. C. 1882-84. British freshwater algae, 1: 1-329; 2: 130 pis. London, 

 Williams and Norgate. 



Cookson, I. 1937. On Saprolegnia terrestris, sp. nov., with some preliminary 

 observations on Victorian soil Saprolegniales. Proc. Roy. Soc. Victoria 

 (N. S.), 49 (2): 235-243, figs. 1-2, pi. 11. 



Cornu, M. 1869a. Note sur l'oospore du Myzocytium. Bull. Soc. Bot. France, 

 16:222-223. 



1869b. Note sur le Chytridium roseum de B. et Woro. Ibid., 16:223-224. 



1870. Note sur une Saprolegniee, parasite d'une nouvelle espece cYOedogo- 



nium. Bull. Soc. Bot. France, 17:297-299. 



- 1871. Note sur deux genres nouveaux de la famille des Saprolegniees. Ibid., 

 18:58-59. 



- 1872a. Monographie des Saprolegniees; etude physiologique et systematique. 

 Ann. Sci. Nat. Bot., V, 15: 1-198, pis. 1-7. 



- 1872b. Affinite des Myxomycetes et des Chytridinees. Bull. Soc. Bot. 

 France, 19:70-71. 



- 1877a. Causes qui determinent la mice en liberte des corps agiles (zoo- 

 spores, antherozoi'des) chez les vegetaux inferieurs. C. R. Acad. Sci. Paris, 

 85:860-862. 



- 1877b. Remarques sur quelques Saprolegniees nouvelles. Bull. Soc. Bot. 

 France, 24:226-228. 



Cotner, F. B. 1930a. Cytological study of the zoospores of Blastodadia. Bot. 

 Gaz., 89:295-309, 10 figs. 



- 1930b. The development of the zoospores in the Oomycetes at optimum 

 temperatures and the cytology of their active stages. Amer. J. Bot., 17: 

 511-546, 1 fig., pis. 30-32. 



Couch, J. N. 1924. Some observations on spore formation and discharge in 

 Leptolegnia, Achlya and Aphanomyces. J. Elisha Mitchell Sci. Soc, 40: 27^12, 

 pis. 4-5. 



- 1926a. Notes on the genus Aphanomyces, with a description of a new semi- 

 parasitic species. Ibid., 41: 213-226, pis. 26-33. 



• 1926b. Heterothallism in Dictyuchus, a genus of the water moulds. Ann. 

 Bot. London, 40:849-881, 3 figs., pis. 35-38. 



- 1927. Some new water fungi from the soil, with observations on spore for- 

 mation. J. Elisha Mitchell Sci. Soc, 42:227-242, pis. 37-43. 



1931. Micro my ccs zygogonii Dang., parasitic on Spirogyra. Ibid., 46:231- 

 239, pis. 16-18. 



1932. Rhizophidium, Phlyctochytrium, and Phlyctidium in the United States. 

 Ibid., 47:245-260, pis. 14-17. 



