Ok but then what about the difference of Charles D. and F. Galton?
Gould made a big deal about Charles having said that evoLUTION is by accumulative small changes (which would be in any generation, for sure) but his cousin used the words "must" vs "may" under the concept of "transilent variation" instead.
As best I can understand Galton's polyhedron in reality it does not seem (regardless of Wright's complaint to Fisher (and Mayr's response to/about pop gen)) to require the resting on the long vs the short side (of the necessary geometry) to necessarily have to occur, in any and every generation.
Gould had quoted Galton to the words about that there is a big difference between evolution as it must proceed by small infintesimal accumulative variations and that it may so change.
Edited by Brad McFall, : wrong word; some stuff