Found the following hamletworks.org entries referring to line 338

View Commentary Note for 331
331 A little month or ere those shooes were old1.2.147

View Commentary Note for 337
337 Then I to Hercules, within a month,1.2.153

View Commentary Note for 338
338 Ere yet the salt of most vnrighteous teares,1.2.154

View Immaterial Textual Note for 338
338 Ere yet the salt of most vnrighteous teares,1.2.154

View Material Textual Note for 338
338 Ere yet the salt of most vnrighteous teares,1.2.154