736 THE AMERICAN NATURALIST. [Vol. XXXIX. 



LITERATURE CITED IN SECTION VI, "THE PLANT CELL." 



Barker. 



:01. A Conjugating Yeast. Phil. Trans. Roy. Soc. London, \o\. 194, 

 p. 467. 

 Beer. 



:04. The Present Position of Cell-wall Research. New Phytologist, 

 vol. 3, p. 159. 



BOVERI. 



: 04. Ergebnisse iiber die Konstitution der chromatischen Substanz des 

 Zellkerns. Jena, 1904. 



BUTSCHLI. 



'90. Ueber den Bau der Bakterien und verwandter Organismen. Leip- 

 zig, 1890. 



BUTSCHLl. 



'96. Weitere Ausfiihrungen iiber den Bau der Cyanophyceen und Bak- 

 terien. Leipzig, 1896. 



BUTSCHLI. 



:02. Bemerkungen iiber Cyanophyceen und Bakteriaceen. Arch. f. 

 Protistenkunde, vol. i, p. 41. 

 Chamberlain. 



: 03. Mitoses in Pellia. Bot. Gaz., vol. 36, p. 29. 

 Davis. 



'98. Kemtheilung in der Tetrasporenmutterzelle bei Corallina officinalis 

 L., var. mediterranea. Ber. d. deut. bot. Gesellsch., vol. 16, p. 266. 

 Davis. 



'99. The Spore Mother-cell of Anthoceros. Bot. Gas., vol. 28, p. 89. 

 Davis. 



-.01. Nuclear Studies on Pellia. Annals of Bot., vol. 15, p. 147. 

 Davis. 



:03. Oogenesis in Saprolegnia. 5(7^. Ga^., vol. 35, pp. 233, 320. 

 Davis. 



:04. Oogenesis in Vaucheria. Bot.Gaz.,\o\.2?i,-p.9,i. 

 Dixon. 

 '99. The Possible Function of the Nucleus in Heredity. Annals of 

 Bot., vol. 8, p. 269. 

 Farmer and Moore. 

 : 05. On the Maiotic Phase (Reduction Division) in Animals and Plants. 

 Quart. Jour. Micr. Sci., vol. 48, p. 489. 

 Farmer and Reeves. 

 '94. On the Occurrence of Centrospheres in Pellia epiphylla Nees. 

 Annals of Bot., vol. 8, p. 219. 



