Found the following hamletworks.org entries referring to line 3268-9

View Commentary Note for 3267-68
3267-8 Ham. That skull had a tongue in it, and could sing | once, how the 

View Material Textual Note for 3267-68
3267-8 Ham. That skull had a tongue in it, and could sing | once, how the 

View Commentary Note for 3268-69
3268 -9 knaue iowles it to the ground, as if {twere} <it | were> Caines iawbone, that did the5.1.77

View Material Textual Note for 3268-69
3268-9 knaue iowles it to the ground, as if {twere} <it | were> Caines iawbone, that did the