OCR Text |
Show SPRINGS. NoTE XXVI. ·rr . f h'lls has another caufc, on the fumtmts o 1 . . f {i The gteat condenfation ~f mOl ure inft them; in mifiy days tillS IS o ~en ee~l ~- h . tl e daOling of movmg clouds aga. by obfirutling the mill as It wh1c IS I . h n em1nent tree . to have great c ff,e Ct on pb 111S , W ere a Jant ity of rnou'flq. Jre cl rop from !I S leav.e ns t 11: :111f I !hall have a much greater qt_ . . . M White, in his Htnory o moves a ong ' I d in JlS vtCJI11ty. r. I I . g f: lls at the fame time On t le groun r r. t d from which a flream flo wee ( llii nc Sa Jb e gives an account o f a Ja rg e tree IO 11tua he ' . re not very mc,ifl; anc 1 ·m ge, n iou lly e orn , · 1 a Jane ot erw IJI I r a moVJ.I I. g 1\11' It lr'o a' s. to fill the cart-ruts IIf 11 nant water CO!ltfl' bute much by t Jete m-ean 5 dd that trees planted ab<,ut ponds o ag. I H'tute a mift or -loud arc_ kept trom a s, Th f herules whll' 1 con I f or the to fuppl)' the refervo: r. t p . I 't t'on again11 the kavLS o a tree, . . that a lttt e agl a I . . h nitina by fo frnall a poweJ . d r, s or preci pitates t c:nL ug reatetr> at tt.a cnl. ion of a flat 11\011.1 fnrfda ce, dc ona rCtIi.lc lee s o f wa t e r fcrJ:nate from each othedr If leaf has its furface moJfic ne an r f 1 f each particle will be attratlc a l 'ftened fprface o a ea ' • d. :~s . mJ·fi be brought near t lC mOl . f 1 .t can be by the fmroun mg par- Ill a · f the Jea t 1an 1 . b)' that plai n furf<tce o water on n h other in one point, wheteas a m. ore f h i!t becaufe g1 o b u Ie s on ly a ttra~.:. .. cac ncles o t e m ' .• t nt of its fur face . [! d Plain attracts a globule by a gn:atei el x e r eJ on elevated grounds by the conJen e T he common co Jd rt pn· noI' S are tHIS ! Ofl.1 1 h . colJ aft er hot days · f · rr than Ill pnno, ' vapours, and hence are fli.onga r w"h e n hthe ew ma~on t sa tamleo fphere during the day has c! 'LH i~ \1C ·. d even 1.1 1 t he wet Jays of winter.{i Fort· folntt. on dun.n g t1 1 e c < ld of the night, wh tch IS > ch more water than it can upport Ill . J t r gradually as to foak in between mu . . the hills an ye tO ' f . thus depofitcd in large qnanuues on o· I ff vc r the ir furfa ces like ihowcrs o ra:n· the flrata of them, rat her than to lC e of ~ arth is afcertained by fprings which Th common heat of the internal parts o t 1C e h h t of fummer or the frofis of e d b ffceled by t e ea . aJ.u· r•e from {hat a of earth too eep tof 4e8 ad egrees o f h ea t ' thofe about Philadelpl11:t were . ter Thofe in this country arc o . . . . to be accounted for by the wtn • . b . whether this vanauon IS M faicl by Dr. Franklm to c 52' . cording to the ingenious theory of _r. difference of the fun's heat on that countty, fiac . t yet 1 think, decided. There . . . f fubterranean res IS no ' Kirwan, or to the VLCilllt~ o aly produced in this manner, as are however fubterraneous {1 re ams of water not ex. a ting with the craters of o IJ voI - firr . the earth commumca 1 d fireams ilfuing fr0!11 ures 111 ' ll !led [wallows, where the an f D ~ b fhire are many ho ows, ca Afh canos; in the Peak o d y r les difiant, as at I lam near - floo ds r1.1 11 k .1 !1 to the earth ' and come out at tome !Til borne. See note on Fica, Vol. u_. b 1 th fnow on the Alp<; and Andes, f ld ·ater anfe from eneat 1 e h Other fl:reams o co v., . II I 'ng at its under furface by t e . ' •hich ts perpetua y t laW I [ . and other high mountains, \ . . 1 . For the origin of warm prtn~~ common heat of the earth, anJ gives nfe to arge nvers. fee note on Fucus, Vol. II. 73 NOTE XXVII.-SHELL FISH. You round Echinus ray his arrowy mail, Give the keel' d Nautilus his oar and fail;· Firm to his rock withjilver cordsjujpend c.The a11rhor' d Pinna, and his Cancer-frimd. THE armour of the Echinus, or Sea hedge-hog, confills generally of moveable fpi nes ; ( Linnci SY)lem. Nat. Vol. I. p. 1102.) and in that refpetl: refembles the armour of the land animal of the fame name. The irregular protuberances on other fea-fhells, ~s on fome fp ec ies of the Purpura, and Murex, ferve them as a fortification againll the at tacks of their enemies. It is faid that this animal forefees tempe!luous weathers, and fiiiking to the bottom of the fea adheres firmly to fea-plants, or other bodies, by means of a fub!lance which rcfembles the horris of fnails. Above twelve hundred of thefe fillets have been counted by which this animal fixes itfelf; and when afloat, it contraels thefe fillets between the bafes of its points, the number of which often amounts to two thoufand. Diet. raifonne. ::nt. Ourfln de mer. There is a kind of Nautilus, called by Linneus, Argonauta, whofe fl1ell has but one· cell; of this ;mimal Pliny affirms, that having exonerated its fhell by throwing out the w:lter, it fwims upon the furface, extending a web of wonderful tenuity, and bending back two of its arms and rowing with the refi, makes a fail, and at length receiving the water dives again. Plin. IX. 29. Linneus adds to his defcription of this animal, that like the Crab Diogenes or Bernhard, it occupies a houfe not its own, as it is not connetled to its thcll, and is therefore foreign to it; who could have given credit to this if it had not been attelled by fo many who have with their own eyes feen this argonaut in the aa of failing? Syll. Nat. p. Ir61. The N autilus, properly fo named by Linneus, has a ihell con filling of many chambers, of which cups are made in the Eall with beautiful painting and carving on the mother-pearl. The animal is faid to inhabit only the uppermoll or open ch~mber, which is larger than the reH; and that the rel1 remain empty, except that the pipe, or 1iph unculus, which communicates from one to the other of them, is filled with an appendage of the animal like a gut or llring. Mr. Hook, in his Philof. Exper. p. 306, imagines this to be a dilatable or compreffiblc tube, like the air-bladders of filh, and tbt by contract ing or permilting it to expand, it renders its lhell buoyant or the contrary. .See Note on Ulva, Vol. IL T he Pinzu, or Sea-'..ving, is con!ained in a two-valve fltell, weighing ~ome.ti~es fifteen pou nds, ::~,nd emits a beard of fine long gloffy filk-like fibres, by whtch tt. Is fuf- pemkd to the rocks t wcnty or t11t ·r ty fie et be neat h tl 1c ~u rface of the fea. In. tll!S iitua- lW· JJ I·t ·I ~ fi0 lrl iCCL'f·S •l·l ! Ll V Jt taCk ' ed by ti1C C·ig · ht -f 0 otcd Pulyrn us > that the fpccJcs perhap:; - K |