Bibliography [ 269 



Wehmeyer, Lewis E. A biologic and phylogenetic study of the stromatic Sphaeriales. 



American Jour. Bot. 13: 575-645. 1926. 

 Weimer, J. L. Some observations on the spore discharge of Pleurage curvicoUa 



(Wint.) Kuntze. American Jour. Bot. 7: 75-77. 1920. 

 Weiser, Jaroslav. A new classification of the Schizogregarina. Jour. Protozool. 2 : 6-12. 



1955. 

 Weisz, Paul B. Morphogenesis in protozoa. Quart. Rev. Biol. 29: 207-229. 1954. 

 Wenyon, Charles Morley. Some observations on a flagellate of the genus Cercomonas. 



Quart. Jour. Micr. Sci. n. s. 55: 241-260. 1910. 

 . Protozoology. A manual for medical men, veterinarians, and zoologists. 



2 vols. London. 1926. 

 West, G. S. A treatise on the British freshwater algae. Cambridge. 1904. 

 von Wettstein, Richard. Handbuch der systematischen Botanik. 2 vols. Leipzig and 



Wien. 1901-1908. 

 Whelden, Roy M. Cytological studies in the Tremellaceae II. Exidia. Mycologia 27: 



41-57. 1935. 

 Wichterman, Ralph. Cytogamy: a new sexual process in joined pairs of Paramecium 



caudatum. Nature 144: 123-124. 1939. 

 . Cytogamy: a sexual process occurring in living joined pairs of Para- 

 mecium caudatum and its relation to other sexual phenomena. Jour. Morph. 66 : 



423-451. 1940. 

 Williams, A. E., and R. H. Burris. Nitrogen fixation by blue-green algae and their 



nitrogenous composition. American Jour. Bot. 39: 340-342. 1952. 

 WiUiams, J. Lloyd. Reproduction in Dictyota dichotoma. Ann. Bot. 12 : 559-560. 1898. 

 Willstatter, Richard, and Arthur Stoll. Untersuchungen iiber Chlorophyll. Methoden 



und Ergebnisse. Berlin. 1913. 

 Wilson, C. M. Cytological study of the life history of Dictyostelium. American Jour. 



Bot. 40: 714-718. 1953. 

 and Ian K. Ross. Meiosis in the myxomycetes. American Jour. Bot. 42 : 



743-749. 1955. 

 Wilson, Harriet L. Gracilariophila, a new parasite on Gracilaria confervoides. Univ. 



California Publ. Bot. 4: 75-84. 1910. 

 Wilson, H. V. Notes on a species of Pelomyxa. American Nat. 34: 535-550. 1900. 

 Wilson, Thomas B., and John Cassin. On a third kingdom of organized beings. Proc. 



Acad. Nat. Sci. Philadelphia 1863: 113-121. 1864. 

 Winogradsky, Sergius. Ueber Schwefelbacterien. Bot. Zeit. 45: 489-507, 513-523, 



529-539, 545-559, 569-576, 585-594, 606-610. 1887. 

 . Recherches sur les organismes de la nitrification. Ann. Inst. Pasteur 4: 



213-231, 257-275, 760-771. 1890. 



Clostridium Pastorianum, seine Morphologic und seine Eigenschaften 



als Buttersaureferment. Centralbl. Bakt. Abt. 2, 9: 43-54, 107-112. 1902. 

 Winslow, C.-E. A., Jean Broadhurst, R. E. Buchanan, Charles Krumweide Jr., L. A. 



Rogers, and George H. Smith. The families and genera of bacteria. Jour. Bact. 



2: 505-566. 1917. 

 Winter, F. W. Zur Kenntnis der Thalamophoren. Arch. Prot. 10: 1-113. 1907. 

 Wolters, Max. Die Conjugation und Sporenbildung bei Gregarinen. Arch. mikr. Anat. 



37: 99-138. 1891. 

 Woodcock, H. M. The haemoflagellates: a review of present knowledge relating to 



the trypanosomes and allied forms. Quart. Jour. Micr. Sci. n. s. 50: 151-331. 



1906. 



