332 PROTOZOOLOGY 



Schneider, H.: (1924) Kern und Kernteilung bei Ceratium tripos. 



Arch. Protist., 48:302. 

 Shumway, W.: (1924) The genus Haplozoon, etc. Jour. Parasit., 11 : 



59. 

 Steuer, A.: (1928) Ueber Ellobiopsis chattoni Caullery, etc. Arch. 



Protist., 60:501. 

 Tai, L.-S. and Skogsberg, T.: (1934) Studies on the Dinophysoidae, 



etc. Ibid., 82:380. 

 Thompson, R. H.: (1947) Freshwater dinoflagellates of Maryland. 



Chesapeake Biol. Lab. Publ., no. 67. 



— (1949) Immobile Dinophyceae. I. Am. J. Bot., 36:301. 



— (1950) A new genus and new records of freshwater Pyrro- 

 phyta, etc. Lloydia, 13:277. 

 Wailes, G. H.: (1928) Dinoflagellates and Protozoa from British 

 Columbia. Vancouver Mus. Notes, 3. 



— (1934) Freshwater dinoflagellates of North America. Ibid., 7, 

 Suppl., 11. 



Whedon, W. F. and Kofoid, C. A.: (1936) Dinoflagellates of the 

 San Francisco region. I. Univ. California Publ. Zool., 41:25. 



