Here then was the time to have put a stop to this persecution against him; ------and tried an experiment at least------whether calmness and serenity of mind in your sister, with a due attention, brother _Toby_, to her evacuations and repletions------and the rest of her non-naturals, might not, in a course of nine months gestation, have set all things to rights. 
'Here was the time to have tried an experiment - whether serenity of mind in my wife, with a due attention, brother Toby, to her evacuations and repletions, might not, during nine months gestation, have set all things to rights. 