Cth eee eee eee 
1909] GATES—CHROMOSOMES IN OENOTHERA 197 
13. 
al 
eS 
Leal 
un 
4 
~J 
24. 
Geerts, J. M., Beitrige zur Kenntnis der Cytologie und der partiellen Ster- 
ilitat von Oenothera Lamarckiana. Recueil Trav. Bot. Néerl. 5:93-208. pls. 
5-22. 1909. 
. Grécorre, V., ET Wycaerts, A., La reconstruction du noyau et la formation 
des chromosomes dans les cinéses somatiques. La Cellule 21:7-76. pls. 
. Grécorre, V., La structure de l’élément chromosomique au repos et en divi- 
sion dans les cellules végétales (racines d’Allium). La Cellule 23: 311-353. 
jigs. 3. pls. 2. 1 
6. 
go 
, La formation des gemini hétérotypique dans les végétaux. La Cel- 
lule 24: 369-420. = 2: 
1907. 
. Janssens, F. A., Et Dumez, R., L’élément nucléinien pendant les cinéses 
de maturation de sperinadagtes chez ee attenuatus et Pleto 
La Cellule 20: 421-460. pls. 5 
- Jorpan, H. E., The abe aie asi oe A pops Mayeri. Carnegie Institu- 
tion Srp 102. pp. 13-36. pls. 1-5 
. Lawson, A. A., Origin of the cones of multipolar spindle in Gladiolus. 
Bor, Gazetre 30: 145-153. pl. 12. 1900. 
———.,, On the relationships of hs nuclear membrane to the protoplast. 
Bor. Gazette Sg 305-319. pls. 1903. 
, Studies in spindle msde Bot. GAZETTE 36:81-100. pls. 
15, 16. 1904. 
. Lewis, I. M., The behavior of the chromosomes in Pinus and Thuja. Annals 
of Botany 22: 529-556. pls. 29, 30. 1908. 
. Liu, F. R., Observations and experiments concerning the aero | 
piece of embryonic development in Chaetopterus. Journ. Exp. 
3°153-268. pl. r. figs. 78. 1906. 
Lutz, ANNE M., Notes on the first generation hybrid of Ocenothera latax 
O. gigas. Science N. S. 29: 263-267. 1909. 
24a. MacDovuaeat, D. T., Vari, A. M., AND SHULL, G. H., Mutations, variations, 
i] 
Oo 
a) 
° 
and relationships of the Oenotheras. Carnegie Institution Publ. 8. pp. 92. 
pls. 22. figs. t 
MarécHar : “fur es 76 ese des Sélaciens et de quelq utres Chordates. 
i ka Cellule 24: 7-239. pls. I-II. 1907. 
. Montcomery, T. H., The spermatogenesis in Pentatoma up to the formation 
of the spermatid. Zool. Jahrb. Anat. Ont. r2/1-88. pls. 1-5. 1 
——., A study of the chromosomes of the germ cells of Metazoa. "Trans. 
Amer. Phil. Soc. 20: 154-236. pls. 4-8. 1901. 
- Morcan, T. H., Sex determination = a in phylloxerans and 
aphids. Siienes: N. S. 29: 234-237- 
- Morrter, Davip M., The bainedeihis tig the heterotypic chromosomes In 
pollen thother cells. Anas of Botany 21: 309-347: pls. 27, 28. 1907- 
- Overton, J. B. On the organization of the nuclei in the pollen mother cells 
of certain plants with especial reference to the permanence of the o- 
Somes. Annals of Botany 23:19-61. pls. 1-3. 1909- 
