The big seal script for character Snake is
The small seal script is
There is a big change. The right part is similar to its big script but the left part was not exist. What is the left part? Why did ancient Chinese add extra part?
The reason is that the right part was used for "It". So people added a
which means "Insect" to avoid confusion. It happened, even though very few that characters changed the form and meaning in 3000 years.
The clerical script is
Similar to small seal script.
The current standard printing script is
very similar to the clerical script.
Its pinyin is "She2".