Sentence:  And ye must also allow these Circumstances to be <WSD>scanced</WSD> upon, as my scant Information and shallow Capacity will admit of; This only ye are to expect, and this according to the measure of Light and Assistance, which GOD shall be pleased to give me, I shall presume and endeavour to shew you. 
Meaning of the word marked with <WSD> tags:  (Scottish) To give a cursory examination.