Page:Huygens-Celestial-Worlds-Discovered.pdf/47

Rh which can wim in Water as well as walk on Land, or fly in the Air; or like our Crocodiles and Sea-Hores, mut be Mongrels, between Land and water. There can no other Method be imagined but one of the thee. For where is it poible for Animals to live, except upon uch a olid Body as our Earth, or a fluid one like the Water, or till a more fluid one than that, uch as our Air is? The Air I confes may be much thicker and heavier than ours, and o, without any Diadvantage to its Tranparency, be fitter for the volatile Animals. There may alo be many orts of Fluids ranged over one another in Rows as it were. The Sea perhaps may have uch a fluid lying on it, which tho’ ten times lighter than Water, may be a hundred Times heavier than Air; whoe utmot Extent may not be o large as to cover the higher Places of their Earth. But there’s no Reaon to upect or allow them this, ince we have no uch Thing; and if we did, it would be of no Advantage to them, for that the former Ways of moving would not be hereby at all