➀ Their life with 9 kinds of seaweed was quite different from that of Siberian hunters.
② Seafarer Izu Sojin (Proto- Japanese before Jomon) since 38,000 BP were candidate of them and no deniable factor at all.
③ New findings about Clovis is surprising. They had not been coming down through Ice Free Corridor, but gone up to north. Quite different image of old scholars.
Terminology of Sodai(circa 40,000 BP~), Sojin to the classroom―RGaPJ