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dhern without more or lesi of the Bodies of thesi; Insefls-, but I have noteseen any in Motion except in Common Witter that has stood for fometimes aLonger, at others a fhorter Time, as has been observed by M. Lee*wenhoeck ; rho' 1 do not remember he has Observed that they are existentin the Witter , before they Revive. In the River, aster the Water has beenThickened by Rain, there are such Infinite Numbers ol them, that the Wä-rter seems in great part to Owe i's Opacity and Whitmefs to thesc Globales.Rain-water, so soon as it falis has many, and Snotv-uutter has more, ofthese Globales. The Devo that stands on Glaß Windows has them; and foras much as Rains and Dews are continually Afcending, or Deseending, £believe we may fay the Air is Fall of them; they seem to be of the (araeSpecifick Gravity with the Water they swim in, the DeaJ remaining in ali; parts of the Water , of many Thoufands that I have seen, I could Discernno sensible Difference in their Diameters, they appearing of Equal Bigneßjin Water that has been Boyled, they retain their Shapes, and will sometimesRevive.

There is another fort of Infefls I have this way seen, but these are not soFrcquently (at least this Winter Season ) to be found ; they are much longerthan the former; they can Transform themselves into Many Shapes; theyare for the moft part Elliptica!, but sometimes they Contract themselves so asto be almost Globular ; and sometimes they Extend themselves so, as to beTwice orThree times Longer than Broad, these sometimes Turn themselvesRoutsd on their Axes and Diameters as they go; they consist of Transparentand Opaceus parts.

QbscrvmoM on XIV. i. Having steep^d Gates in Rain water, some Days (perhaps o or1 °) 2nd looking vpon il with my Bare Eye, I faw aSubstance, that scem-trc\ hjSir Edi«, cd to mclike that usuallycallM a Met her (on other Liquorsl; and layingr-sli?"“° 3 " 33 much of itas asinali Pin’s Head upon the ObjeB Piate of my Best Mi-

crosoft, I could very easily and plainly disoern 7 or 8 sorts of Animalcu *la, of different Sines and Shapes (or more) Swimming in this Substance.

7$, Their Shapes and Sizes were aster this mannet, as near as I could guese.They wer« all very Nimble in their Motions, by (Komputation, scveral Thou-fand times Magnified.

z, The Thm Scum upon a Tepper-water , that did resemblc Fiak.es of Saltupon forne sorts of Humane Urine, applyed in the fame mannet to the ObjeSiPiate of the Microfcope, wasonly Güsters of Amntalcula, that had LiquidMatter enaugh to fwim in; and I was in Admiral ion at their Numbers, Mo-tions^ Variety and Minuteneß.

3. In a Decoctio« of Herbs, that was strained, and sct by for a parti-culas Use; In a little of the settling of that fas much as a Pin’s

ifig. 79. Head) I faw Creatures like little Eeles, about Thus Leng, and feemedto be as Thick, but much Sharper at both Ends, with a Wriggling Mo-tion, like Eels.

4. Iobserve these fmall Creatures abovementioned (if I may fo call them)Rdemble the Nature of fis, in several Respects.

First,