Sentence:  In the wildest conquering inundations, lust itself obeying its impulese only bey a kind of necessity ; myriads of slaves carried off and embodied, still producing only a very gradual influence upon the <WSD>normalisms</WSD> of the typical form, and passing into absorption by certain external appearances, with very faint steps. 
Meaning of the word marked with <WSD> tags:  Normality; A state in which most things are normal.