inconceivable way as he has, than to be continually obliged to new Productions out of the Earth? And what miſerable, what helpleſs Creatures muſt theſe be, when there’s no one that by his Duty will be obliged, or by that ſtrange natural fondneſs, which God has wiſely made a neceſſary Argument for all Animals to take care of their own, will be moved to aſſiſt, nurſe or educate them? As for what I have ſaid concerning their Propagation, I cannot be ſo poſitive; but the other Thing, namely, that they have Plants and Animals, I think I have fully proved, viz. from hence, that otherwiſe they would be inferiour to our Earth. And by the ſame Argument, they muſt have as great a Variety of both as we have. What this is, will be beſt known to him that conſiders the different Ways our Animals make uſe of in moving from one Place to another. Which may be reduc’d, I think, to theſe, either that they walk upon two Feet or Four; or like Inſects, upon Six, nay ſometimes Hundreds; or that they fly in the Air bearing up, and wonderfully ſteering themſelves with their Wings; or creep upon the Ground without Feet; or by a violent Spring in their Bodies, or paddling with their Feet, cut themſelves a Way in the Waters. I don’t believe, nor can I conceive, that there ſhould be any other Way than theſe mentioned. The Animals then in the Planets muſt make uſe of one or more of theſe, like our amphibious Birds, which can ſwim in Water as well as walk on Land, or fly in the Air; or like our Crocodiles and Sea-Horſes, muſt be Mongrels, between Land and Water. There can no other Method be imagined but one of theſe. For where is it poſſible for Animals to live, except upon ſuch a ſolid Body as our Earth, or a fluid one like the Water, or ſtill a more fluid one than that, ſuch as our Air is? The Air I confeſs may be much thicker and heavier than ours, and ſo, without any Diſadvantage to its Tranſparency, be fitter for the volatile Animals. There may alſo be many ſorts of Fluids ranged over one another in Rows as it were. The Sea perhaps may have ſuch a fluid lying on it, which tho’ ten times lighter than Water, may be a hundred Times heavier than Air; whoſe utmoſt Extent may not be ſo large as to cover the higher Places of their Earth. But there’s no Reaſon to ſuſpect or allow them this, ſince we have no ſuch 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 increas’d: But when we come to meddle with the Shape of theſe Creatures, and conſider the incredible Variety that is even in thoſe of the different parts of this Earth, and that America has ſome which are no where elſe to be found, I muſt then confeſs that I think it beyond the Force of Imagination to arrive at any knowledge in the Matter, or reach to Probability concerning the Figures of theſe Planetary Animals. Altho’ conſidering theſe Ways of Motion we e’en now recounted, they may