754 ^^-^' AMERICAN NATURALIST. [Vol. XXXVIII. 



Calkins. 



' 97. Chromatin reduction and tetrad-formation in Pteridophytes. Bull. 

 Tor. Bot. Club, 24, loi. 

 Campbell. 



' 88. The development of Pilularia globulifera. Ann. of Bot. 2, 233. 

 Campbell. 



'91. Contributions to the life history of Isoetes. Ann. of Bot. 5, 231. 

 Campbell. 



'92a. On the prothallium and embryo of Osmunda clatoniana, L. and O. 

 cinnamomea, L. Ann. of Bot. 6, 49. 

 Campbell. 



' 92i5. On the prothaUium and embryo of Marsilia vestita. Proc. Cal. 

 Acad. Sci. II, 3, 183. 

 Campbell. 



'94. Observations on the development of Marattia douglasii, Baker. 

 Ann. of Bot. 8, i. 

 Chamberlain. 



' 99. Oogenesis in Pinus laricio. Bot. Gaz. 27, 268. 



COKER. 



:02. Notes on the gametophytes and embryo of Podocarpus. Bot. 

 Gaz. 33, 89. 



COKER. 



: 03. On the gametophytes and embryo of Taxodium. Bot. Gaz. 36, i 

 and- 1 14. 

 Dale. 



:03. Observations on the Gymnoasceae. Ann. of Bot. 17, 571. 

 Dangeard. 



'99. Memoire sur les Chlamydomonadinees ou I'histoire d'une cellule. 

 Le Bot. VI, 65. 

 Dangeard. 



'01. Etude sur la structure de la cellule et ses functions, Le Polytoma 

 uveUa. Le Bot. VIII, 5. 

 Davis. 



' 99. The spore mother-cell of Anthoceros. Bot. Gaz. 28, 89. 

 Davis. 



:00. The fertilization of Albugo Candida. Bot. Gaz. 29, 297. 

 Davis. 



:01. Nuclear studies in Pellia. Ann. of Bot. 15, 147. 

 Davis. 



:03. Oogenesis in Saprolegnia. Bot. Gaz. 35, 233 and 320. 

 Davis. 



:04fl:. Oogenesis in Vaucheria. Bot. Gaz. 38, 81. 

 Davis. 



: Web. The relationships of sexual organs in plants. Bot. Gaz. 38, 243. 



