Found the following hamletworks.org entries referring to line 3196

View Commentary Note for 3195, etc.
3195-6 Clowne. How can that be, vnlesse she drown'd herselfe in | her owne 
3196 defence. 3196 

View Material Textual Note for 3195, etc.
3195-6 Clowne. How can that be, vnlesse she drown'd herselfe in | her owne 
3196 defence. 3196