1.   DNA studies had hinted at the hippo-whale connection, but previous fossil finds appeared to contradict it.

2.   From previous finds, the species appeared to be concentrated in Kenya and Tanzania.

3.   Some previous finds have turned out to be misleading or bogus.

4.   All previous finds of this type showed men holding books but not in positions that indicated they were writing, he said.

5.   Previous finds of human remains in Britain date from around a quarter of a million years ago.

6.   The researchers noted one previous find of a Neanderthal injury that was obviously made by a weapon.

7.   The researchers noted one previous find of a Neanderthal injury that obviously had been made by a weapon.