1. Many fossils of manlike skulls and skeletal fragments more advanced than those of Beking Man have been found.
2. There appeared a form of man with a less heavily built face and a larger brain case than (those) of homo erectus.
those指什么? 整个比较结构如何补全(可能语法上不应该补全或者不能补全,这里只是为了方便理解而补全)?