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7 
£40 MicROGRAPHIA- 
was:as foon out of breath,as if [had had no Sponge,nor could I fetch my 
breath without taking in water at my mouth; but I am very apt to 
think, that were there a contrivance whereby the expir'd air might be 
forc’dto pafs through a wet or oyly Sponge before it were again infpir'd 
fae |} te might sa cldanles and ftrain away from the Air divers fuliginous 
oo 
and other noifome fteams, and the dipping of it in certain liquors might, 
aks STE that property in the Air which it lofes in the Lungs,by 
d, that one {quare foot of Air might lafta man for refpirati- 
on much longer, perhaps,then ten will now ferve him of common Air, — 
mae 
Litvi iti TO ies ae , ‘ : 
car Obferv. XXII, OF the curious texture of Sea-weeds. | 
Or curiofity and beauty, I have not among all the Plants or Vege- 
P aie Ihave yet obferv'd, feen any one comparable tothis Sea-weed 
Thave here delerib'd, of which I am able to fay very little more then what 
is reprefented by the fecond Figure of the ninth, Scheme: Namely, that 
it is a Plant which grows upon the Rocks under, the water, and increafes 
nd. fpreads it {elf into a, great, tuft, which is not onely handfomely 
’d into feveral leaves, but the whole furface of the Plant iscover'd 
Over with a moft curious kind of carv'd work, which, confilts of a tex: 
ture much refembling a Honey-comb ; for the whole furface.on both fides 
is cover'd over with. a multitude of very{mall holes,being no bigger then 
. fo, many holes made with the point ofa {mall Pinn, and rangdinthe | 
: * 
pers moft delicate order imaginable, they being plac’d in the man- 
ner. of a Quincunx, or very much like the rows of the eyes of a Fly, the 
rows or orders being very regular, which way foever they are obferv'd: 
what, the texture, was, as it appeard through a pretty bigg Magnifying 
Microfcepe, I have here adjoind in the firlt Figure of the 14. Scheme. 
which-round Area ABCD reprefents a part of the furface about one 
eighth part of an Inch in Diameter : Thole little holes, which.to the eye 
look’d round, likefo many little fpots, here appeard very. regularly 
thap'd holes, reprefenting almoft, the thape of the fole. of a round toed 
hoe, the hinder part of which, is, as it were, trod. on or cover'd by the 
toe of that next below it;thefe holesfeem‘d wall'd about with a very thia 
and tranfparent fubftance, looking of a pale ftraw-colour; from the edge 
of which; againft the middle of each hole, were fprouted out.four {mall 
parent {traw-colour’d Thorni, which feem'd to protect and cover 
avities, from either fide two 5 neer the root of this Plarit, were 
routed out feyeral {mal} branches of a kind of baltard Corilline; curt 
oO -, ranch’d, {mall. | eatin oeiey 
_.ofind: to confirm;this, having lately the opportunity. of; viewing ‘the 
large Plant (if riya. call it) of a Sponge petrifid.: of yvhich.1 made 
tention, in the laft Obferyation, ..1. found, that each of the Branches or 
res.of it, did, by. the range ofits pores, exhibit. juit.fach a: * 
“r ¢ 
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