The strange boy whistled and put his hand into his pocket, as far as the big coat sleeves would let them go.
Semicolon is not correct before the conjunction "and".
It's a nonessential word, clause, or sentence added to an already grammatically complete sentence. It's most commonly set off by brackets, but it can also be set off by commas or dashes.
Example:
My mother went to the supermarket and picked up some strawberries (my favorite fruit) earlier today.
“For example, Pvt. Giles McCoy...” this statement uses imagery
Words like : angry, my foe, my wrath, fears, deceitful, and glad
