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Show 0ft/Jc mfg. Book lll _ Book III. of the extremities of the Nerves inferred into the Glands, relating to the inward Membrane of the Nofirils, where the purer part of the nervouS 1y quor is fecerned from the impure, which is carried through the extract), Vellels into the Cavities of the Nofirils. It may not be amifs now to preterit ‘""""'S 01'" you with Learned Sneidcn Opinion, who {uppofeth the Blood to eject its i nion, how the-"mt" Faeculency out of the extremities of the carotide Arteries, through the Meni. the Blood are externcd brane of the Nollrils, which he calleth Membmmim anteriorm petuitarim; igihiiihgiis which is very difficult to apprehend, how a Secretion can be made of Facu. CHAP. III;- 0/ smelling ff:"°""" lent from the more refined Particles of Blood, through the terminations of ' i' the Arteries, and not the purple Liquor it felf, to flow through them, as in a Hemorrhage in the Nollrils: But to falve this inconvenience, the Learned Author malteth the minute Glands, lining the inward Membrane, to be Open 0114 wafizrum, whereby the extremities of the Arteries are clofed. Thisfu . polition ( if true) may feem to check a Flux ofBlood; but the Glands, as Opermla, cannot fever one part of the Blood from another 3 This may he performed by the Glands as Colatories, as the Blood is impelled out of the terminations of the capillary carotide Arteries, into the fubl'tance of the Glands, and then the more pure Particles of the Blood may be returned by the Jugulars, and the Recrements may be difcharged through the excretory Veflels, into the Cavities of the Nol'trils. Another life of the Nofe may be, to aflifi the Palate in modelling the Voice in the pronunciation of fome Letters, which thereupon are called Nafal 21:13:;ny And lal't of all, the Nofe is an Organ of Smelling, in giving a reception flrizs. to odorous Steams (afiefiing the Air into its Siam) thereby makingiA pulfes upon the inward Membrane of the Noftrils, befet with numerous ol adory Nerves. HE Nofirils area rare Apparatws, framed of a Bony and Cartilaginous fubflance (immured with a White Skin) to keep the Caverns open, as f0 many Pipes receptive-of Air; whereupon they are not only an Organ of Breathing, but of Smelling too, as their inward ReCefles are enCir-' cled with a fine Membrane, ma‘de tip of many nervous Fibrils (derived "mom; :5;1';§;-1_ 32:51 avg-:4 graham? "frlicmaii; 5' from the firft pair of Nerves ofthe Brain) finely interwoven; To that the """m‘ bier. Air, do make 32:3,": Steams, as various Eflluxes of Bodies, embodying with the ' fevetal apptilfes upon the Fibrils (feared in the infide ofthe Noftrils) the proper inllrument of Smelling. Among the Nerves {pringing out of the Crimi of the Main/la obIOIIgdid, The Orizcn . f h l( between the Corpora Strzata, and the Tbalamz nerworum oplzrarum; the 01- 3,333,335 factory Nerves have the précedencefind are vulgarly called the Mammillary Procellts, endued with a mariifeltCavity, and on each {ide behind the Carpom Styiala, have an aperture into the anterior Ventricle of the Brain; {'0 that thefe tender Nerves taking their Origen near the Carper; Siritzm‘, are propagated forward near the Bali? of the Brain, and accompanying the Maui. millarv Procefles, do afterward pal"s through the holes of the OJ Crzliroflrm, and einit many Fibrils into the fine Membrane, invel'ting the infide of the Nollrils, running in many Mzeandets. _ . . The curious Organ of Smelling, is compofed of many Fibi'ils (liproutmg out ofthe Caudex of the olfactory Nerves) rarely interwoven, and interlperfed with membranous Filaments, filling up the Interflzi'ces of the olfactory Fibrils, rendring them an entire Membrane. _ _ ‘ . The nervous Fibrils, the inf'rruments of Smelling are more confpicuous iti ;I‘CV°"=5‘°‘7 Cr C5 In Filh,and efpecially in Cartilagineous, as Thornback, Skait, [dire-flaire,ha- Fuh- ving their Mnfcles fevered from each other by many Cartrlagesnn‘ which they are repofed, and guarded from outward accrdents. Thefe Filli have a molt admirable frame, made up of divers ranks of ner- Thmnksof . . running . tranfvetlly, and originally a . - out of the Caudex :13"?er ira vous Fibrils, fprouting a of olfactory Nerves ( pafling the whole length oftheir rare Compage) which 3mm?" maybe clearly feen of themfelves, without any lining or interpofition of a 22%;):ng Membranons fubl'tance, interfperfing the Nofirils of Man, and thofe of witliaMemn , liranous rub. greater Animals. fiance.» in The olfactory Nerves being dilttibuted into numerous Fibrils (framing a great part of the Membrane, invefiing the infide of the Nofirils) have a peculiat difpofition, qualifying them for the fenfe of Smelling, as not , . _ agreeable to any other Nerves of the Brain, which are not at all affeéted ‘ ' ‘ ‘ any iinpiell‘ion upon them ,- whereupon making Exhalations, fumide With ' ' it is requilite, that the fenlitive Faculty and its obyeét, {hould hold 91"?" £312.:215;. malt. Thepccum,‘ [cmpcr of the armory Nerves. Thmmon Eii‘riiicvgéif refpondeiice in a proper relation to each other, by peculiar qualifications, Maud", elfe no fenfation can be exerted; To that the obyeét ol Smelling is nothing $23k", ' ‘ ' S i-Ilii are clfe but numerous Steams, as To many Emanations, coming out of various [Ktkméfm bodies, and are {Everal Atomes, endued With a Configuration fuitable to the} garage, minute Pores of the Fibrils, making up the inward Membrane of the NORrils :‘ ti" 111103125 0 no as ‘ 1C N17 9 |