268 INTRODUCTION TO CYTOLOGY 



MOORE, A. C. 1905. Sporogenesis in Pallavicinia. Bot. Gaz. 40: 81-96. pis. 



3, 4. 



MOORE, J. E. S. 1896. On the structural changes in the reproductive cells during 

 the spermatogenesis of the Elasmobranchs. Quar. Jour. Micr. Sci. 38: 275-314. 

 pis. 13-16. 

 MOORE, J. E. S. and EMBLETON, A. L. 1906. On the synapsis in Amphibia. Proc. 



Roy. Soc. London 77 : 555-562. pis. 20-23. 



MOTTIER, D. M. 1897. Beitrage zur Kenntniss der Kerntheilung in den Pollen- 

 mutterzellen einiger Dikotylen und Monokotylen. Jahrb. Wiss. Bot. 30: 

 169-204. pis. 3-5. 



1903. The behavior of the chromosomes in the spore mother-cells of higher plants 

 and the homology of the pollen and embryo-sac mother-cells. Bot. Gaz. 35: 

 250-292. pis. 11-14. 

 1905. The development of the heterotypic chromosomes in pollen mother-cells. 



Bot. Gaz. 40: 171-177. 

 1907. The development of the heterotypic chromosomes in pollen mother-cells. 



Ann. Bot. 21 : 309-347. pis. 27, 28. 

 1909. Prophases of heterotypic mitosis in the embryo-sac mother-cells of Lllium. 



Ibid. 23:343-352. pi. 23. 

 1914. Mitosis in the pollen mother-cells of Acer negundo, L., and Staphylea 



trijolia, L. Ibid. 28: 115-133. pis. 9, 10. 



MOTTIER, D. M. and NOTHNAGEL, M. 1913. The development and behavior of 

 the chromosomes irr the first or heterotypic mitosis of the pollen mother-cells 

 of AUium cernuum Roth. Bull. Torr. Bot. Club 40 : 555-565. pis. 23, 24. 

 MULLER, H. A. CL. 1909. Ueber karyokinetische Bilder in den Wurzelspitzen von 



Yucca. Jahrb. Wiss. Bot. 47: 99-117. pis. 1-3. 



1911. Kernstudien an Pflanzen. I u. II. Arch. Zellf. 8: 1-51. pis. 1, 2. 

 NAKAHARA, W. 1919. A study of the chromosomes in the spermatogenesis of 

 the stonefly, Perla immarginata Say, with special reference to the question of 

 synapsis. Jour. Morph. 32: 509-530. pis. 3. 

 1920. Side-to-side versus end-to-end conjugation of chromosomes in relation to 



crossing over. Science 62 : 82-84. 

 NEMEC, B. 1903. Ueber die Einwirkung des Chloralhydrats auf die Kern- und 



Zell-teilung. Jahrb. Wiss. Bot. 39: 645-730. figs. 157. 

 NICHOLS, G. E. 1908. The development of the pollen of Sarracenia. Bot. Gaz. 



45:31-37. pi. 5. 

 NOTHNAGEL, M. 1916. Reduction divisions in the pollen mother-cells of AUium 



Iricoccum. Bot. Gaz. 61: 453-476. pis. 28-30. fig. 1. 

 OEHLKERS, F. 1916. Beitrag zur Kenntniss der Kernteilung bei den Characeen. 



Ber. Deu. Bot. Ges. 34 : 223-227. 

 OLIVE, E. W. 1907. Cytological studies on Ceratiomyxa. Trans. Wis. Acad. Sci. 



15 : 754-773. pi. 47. 

 OSTERHOUT, W. J. V. 1897. Ueber Entstehung der karyokinetischen Spindel bei 



Equisetum. Jahrb. Wiss. Bot. 30: 159-168. pis. 1, 2. 

 OVERTON, E. 1893. On the reduction of the chromosomes in the nuclei of plants. 



Ann. Bot. 7: 139-143. 

 OVERTON, J. B. 1905. Ueber Reduktionsteilung in den Pollenmutterzellen einiger 



Dikotylen. Jahrb. Wiss. Bot. 42: 121-153. pis. 6, 7. 

 1906. The morphology of the ascocarp and spore formation in the many-spored 



asci of Theocatheus pelletieri. Bot. Gaz. 42 : 450-492. pis. 29, 30. 

 1909. On the organization of the nuclei in the pollen mother cells of certain 

 plants, with special reference to the permanence of the chromosomes. Ann. 

 Bot. 23: 19-61. pis. 1-3. 



