Sentence:  Here endeth the doctrine of the right-angled sphericalls, the whole diatyposis wherof is in the Equisolea or hippocrepidian diagram, whose most intricate <WSD>amfractuosities</WSD>, renvoys, various mixture of analogies, and perturbat situation of proportionall termes, cannot choose but be pervious to the understanding of any judicious reader that hath perused this comment aright. 
Meaning of the word marked with <WSD> tags:  A winding channel or crevice, such as occur in the depths of the sea or in mountains.