Published online by Cambridge University Press: 06 July 2012
Although the amount of active research that has been carried on during the past few years on the question of chromosome reduction and relative problems has been very great, the nuclear activities here concerned are still far from being understood. We are not yet in a position to draw general conclusions in regard to meiotic phenomena. It therefore seems to me desirable that all observations of fact and rational interpretations should be placed on record, so that when it becomes possible to generalise, all lines of evidence may be available.