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ok ae ~ Naural Hilary, a 
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or from the conftitution of the Womb, For the former, itiolt that are lon et 
incoming to theit maturity or growth,are longer in the Womb ; agis chiefly 
feeninMen; and fo Elephants, which are long inthe Womb, are long ti re 
in coming to their fullgrowth. Burin moft other Kinds, the conftitution 0 ft 
the Womb (that is, the hardnefs or drynefs thereof) is concurrent with the 
former cau(e, Forthe Colt hath abont four ycarsof gcowth,and forthe Fawn, | 
and fo the Calf; but Wnelps, which come to their ¢ rowch (commonly) with- 
in three quarters of a year, are but nine weeks in the Womb. As for Birds;-as_ 
there islets diverfity amongtt them in the time of. their bringing forth, fo | 
there is lefs diverfity in thetime of their growth, moft of them coming to | 
their growth withina twelveemoneth. y 
960. Some Creatures bring forth many young ones at a Burthen; as Biches, | } 
Hares, Concys, &cs fome (ordinarily) butone; as Women; Lignée 8c. 
This may be caufed, either by the quantity of Sperm required to the pro- | : 
ducing one of thar Kind; which if lefs be required, may admit greater num- | 
bers if more, fewer: Or by the Partitions and Cells of the anc: whieh 
may fever the Sperm. | | 
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i 61. Hereisno doubt but Light by Refraétion will thew greater, as well as | 
| Experiments things coloured; forlike asa fhilling inthe bottom of the Water will | 
bees fhew greater, fo will a Candle ina Lanthorn in the bottom of the Water. I] | 
| Species vifible.| have heard of a practice, that Glowormsin Glaffes were put in the Waterto } 
| make the Fifh come. But I am not yet informed, whether when a Diver} 
diveth, having hiseyesepen, and {wimmeth upon his back, whether (E fay) ] 
he feeth things in the Air, ‘greater or Jefs. For it ismanifeft, that when the | 
eye ftandeth in the finer medium, and the objet is in the grofler, things thew | 
greater, but contrariwife, when the eye is placed inthe grofler medium; andy I 
une clasts finer, how it worketh I know not. | = 
| ll 
762. It would be well boulted out, whether great Refratiiont may not ie | 
made upon Reflexions, as well as upon dire& beams. For example, we fee 
that take an empty Bafon, putane Angel of Gold, or what you will into itg | 
| then go fofar from the Bafon till you cannot (ee the Angel, becaule it is 
in aright Line; then fill the Bafon with Warer, and you fhall fceit on 
his place., becaufe of the Reflexion. ‘To proceed therefore, put a Looki 
| glafsinto a Bafonof Water; I fappofe you fhallnot fee the Image in ari 
| Line, orat equal Angles, but afide. I know not whether this Experiment may" 
not be extended fo, asyou might fee the Image, and not the Glafs; which 1 
i beauty and {trangenefs wereafineproof, for then you fhall fee of Wate | 
fo a Spiritin the Air. As forexample, if there bea Ciftern or Poolof Wa 
| you fhall placeover again{t ita pidture of the Devil, or what you will, fo: 
| sities norfee the Water, then pura Looking glafs in the Water: Nov 
you canfec the Devils pi@ure afide, notfeeing the Water, it will looklik 
Devil indeed. They have an old tale in Oxford; That Fryer Bacon walked b De 
tween two Steeples;, which was thengnt to be done wh ee when 
t walked uponthe Ground. ; 
1763. ‘Weighty Body putinto Nidition’ , is more cafily sanpellel see fi 
“| exec £\ when it refteth. -The caufe is, partly becaufe Motion doth difcufs ti 
‘torpourof folid Bodies, which befide theit Motion of Gravity, havein' 
touching the | 
Impulfion and aNatural Appetite not to move at all; and partly, becaufe a Body 
Buca oor _ | eth doth Ao a the refiitance of ois tee: zeit which sit refteths a ft 
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ato pated. CON Re as by ‘es lah of Mima ee Ra, 8 eS Pee ee Arye AY Pee cats i. iy ER RMR shoe nN et) 
