Sentence:  Dry <WSD>snuffs</WSD> are often adulterated with quicklime, and moist <WSD>snuffs</WSD>, as rappee, with ammonia, hellebore, pearl-ash, etc. 
Meaning of the word marked with <WSD> tags:  Fine-ground or minced tobacco, dry or moistened, intended for use by placing a pinch behind the lip or beneath the tongue; see also snus.