206 A CENTURY Of PROGRESS IN THE NATURAL SCIENCES 



Knight, Mabgery 



1923. Studies in the Ectocarpaceae. I. The life-history and cytology of Pylaiella 

 litoralis Kjellm. Trans. Roy. Soc. Edinburgh, 53(17) : 343-360, 6 pis. 



1929. Studies in the Ectocarpaceae. II. The life-history and cytology of Ectocarpus 

 siliculosus, Dillw. Trans. Roy. Soc. Edinburgh, 56(15): 307-332, 3 figs., 6 pis. 



1947. John Lloyd Williams [Obituary]. Proc. Linn. Soc. London, 158:72-74. 



Koch, W. J. 



1951. A study of the motile cells of Vaucheria. Journ. Elisha Mitchell Sci. Soc, 67: 

 123-131, pis. 3-5. 



KoFoiD, C. A., and T. Skogsbeeg 



1928. The Dinoflagellata: the Dinophysoidae. In Reports on the Scientific Results 



of the Expedition to the Eastern Tropical Pacific, in charge of Alexander 

 Agassiz, by the U. S. Fish Commission Steamer "Albatross," . . . xxxv. Mem. 

 Mus. Comp. Zool., Harvard College, Vol. 51. 766 pp., 103 figs., 31 pis. 



KoFoiD, C. A., and Olive Swezy 



1921. The Free-Living Unarmored Dinoflagellata. Mem. Univ. Calif., Vol. 5. viii + 562 

 pp., 388 figs., 12 pis. 



KOLBE, R. W. 



1948. Elektronenmikroskopische Untersuchungen von Diatomeenmembranen. Arkiv 



Bot. Vol. 33(17). 21 pp.. 5 figs., 10 pis. 



KoLKWiTZ, R., and H. Keiegee 



1941-1944. Zygnemales. I7i L. Rabenhorst's Kryptogamen-Flora von Deutschland, 

 osterreich und der Schweiz. 2nd ed. Bd. 13, Abt. 2 (issued by R. Kolkwitz). 

 [1] + 499 pp., figs. A-Z, 1-779, 4-9. Leipzig: Akad. Verlagsges. 



KORNMANN, P. 



1938. Zur Entwicklungsgeschichte von Derdesia und Halicystis. Planta, 28:464-470, 

 4 figs. 



1953. Der Formenkreis von Aciiietospora crinita (Carm.) nov. comb. Helgolander 

 Wiss. Meeresuntersuch., 4:205-224, 14 figs. 



KORSCHIKOV, A. A. 



1923. tJber zwei neue Organismen aus der Gruppe der Volvocales. Russ. Arkhiv 

 ProtistoL, 2:177-178, pi. 7. 



1926. On some new organisms from the groups Volvocales and Protococcales, and on 

 the genetic relations of these groups. Archiv Protistenk., 55:439-503, 14 

 figs., pis. 4-12. 



1929. Studies on the chrysomonads. I. Archiv Protistenk., 67:253-290, pis. 8-11. 



1930. On the origin of the diatoms. Beih. Bot. Centr. 46 (Abt. 1, Heft 3) : 460-469, 1 fig. 



1938. Volvocineae. (Not seen, cited from H. Skuja, 1939b.) 



KOSSINSKAJA, K. K. 



1926. De novo cyanophycearum genere Tildenia mihi ad novam familiam Tildenia- 

 ceae mihi ducto. Not. Syst. Inst. Crypt. Horti Bot. Principalis U.S.S.R., 

 4:76-88, pi. 2. (In Russian with a Latin resume.) 



Keiegee, W. 



1933-1937. Die Desmidiaceen Europas mit Beriicksichtigung der aussereuropaischen 

 Arten. In L. Rabenhorst's Kryptogamen-Flora von Deutschland, osterreich 

 und der Schweiz. 2nd ed. Bd. 13, Abt. 1 (issued by R. Kolkwitz). vi + 712 pp., 

 33 figs., 96 pis. Leipzig: Akad. Verlagsges. 



1939. Die Desmidiaceen Europas mit Beriicksichtigung der aussereuropaischen 



Arten. In L. Rabenhorst's Kryptogamen-Flora von Deutschland, osterreich 



