Salt-Springs, see Springs.
Salt-Peeter how made in the Mogols Dominions, 6. [103].
The proportion of Salt in best Salt-Springs; and what grounds or signs of best Salt, 8. [136].
Sea-fluxes, the cause proposed by way of a new Theory, by Dr. Wallis, 16. [263]. see Tydes.
Seas, whether they may be united, 3. [41].
Silk-Worms and Silk-Trade sollicited, 5. [87]. and 2. [26]. and 12. [201].
Snakes, how they differ from Vipers, 8. [138].
Rattle-Snakes, how sometimes kill'd in Virginia, 3. [43] and 4. [78].
Snow-houses directed, and how to preserve Ice and Snow in Chaffe, 8. [139].
Springs, of peculiar note, n. 7. [127]. n. 8. [133]. [135]. and [136]. n. 18. [323].