68 Papers from the Marine Biological Laboratory at Tortugas. 
Wiuson, E. B. 
1oor. A cytological study of artificial parthenogenesis in sea-urchin eggs. Arch. 
Entwickelungsmechanik-Roux., 12: 529. 
1904. The cell in development and inheritance, 2d revised ed., N. Y. 
1905. Studies in chromosomes. The paired microchromosomes, idiochromosomes, 
and heterotropic chromosomes in Hemiptera. Jour. Exp. Zool., 23) 5072 
Witson, E. B., and MatHews, A. P. 
1895. Maturation, fertilization, and polarity in the echinoderm egg. Journ. 
Morph., 10: 319. 
WINIWATER, H. von. 
1900. Recherches sur l’ovogénése et l’organogénése de l’ovaire de mammiféres 
(lapin et homme). Arch. Biol., 17:33. 
