Re: Aquatic Apes 3 of 5
loopy (lmm5@cornell.edu)
11 Dec 1994 19:36:23 GMT
In article <3cf4vj$n4u@rebecca.albany.edu>, pn8886@csc.albany.edu (Phil
Nicholls) wrote:
Me:
> >strictly speaking we don't know either, since we haven't found fossils from
> >that period.
> Actually we do. Knuckle-walking leaves facets on the metacarpals that are
> the result of hyperextention. These are present in the skeltons of newborn
> apes but are not present in any hominids.
I agree with you; I was just trying to make a point about "certainty" and
making assumptions about ancestors we've never seen.
Incidentally, don't forget that David Begun at the U. of Toronto says that
humans have a knuckle-walking ancestor. The argument hasn't been settled.
Lucie
*****************************************************************
L.Melahn, lmm5@cornell.edu MYN GLAS LOOPT RAS
*****************************************************************
|