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Show Of [/38 Ofifi‘ory Mover of other flnimalr. 1046 Book III, Book Ill. The «prick Nems of a (Sonic, and their rife. The rife of the & pt‘irk Ncrvrsofa Teal, The Optick Nerves alfo in a Goofe do arife after the fame manner out of the Oval Protuberancies, appendant to the Mediilla oblongata, and "g conjoyned in a Node only, without any interfeaion, and then part "km on each tide an oblique progrefs to the Eyes. in a Teal alfo the Optick Nerves are derived from the Oval Promineneiec affixed to the Medulla ablmigaia, and hing parted at fii'ft, do aftera {mall fpace unite without any DeciiisatiOii (as is frequently found in Fifh) and are only conjoyned to each other {0 fiimly, that they cannot be divided without laceration, and as foon as they are united, they prefently after fend out two large Trunks, which running tranfverfly, are inferred into the inward region ofthe Eyes. And having opened diverfe other Brains ofBirds, I have found the Oprjck The Optitk Ntirt' of I ‘lui but. Nerves to have the lame Origen and Conjunction without any interleaion with thofe above defcribed Fowl. I The Optick Nerves in a Turbiit take their Origen from the Medal/a alt/on. gate, under the middle Procefses, and do decufiate each other, and ihm pals an Inch and half, and arrive the Eyes : The Nerve of the Left fide ma. lltzing its progrefs to the Right, and the Nerve of the Right, in 0 the La} ye. 17‘. or. F. i. be 'llic Opllck Nervts ot a Skat. : 'l he Optitk Nrncs ofa Pike. The Optitk Ncivtt Liffl Gurntt. In 3. Skate the Optick + and Motory Nerves accompany each other of Tie Optick Ntires of 3 Seal. LIV. 0f the [Watery and Tat/Muck More; of the E)". He Second pair of Nerves are called rPar Omicrum motoriimt, which {:fixfgfific Galen flyleth "Meme" 9 #‘leifial, by reafon they are harder and 1ch in 1;" their Origen then the Optick Nerves. '48" r' Thele Nerves borrow their Origen in the lower Region oi the Marin/[4 3:613:55" 0" ohlongatiz behind the Itzdfimdibnlnm, and take their progrefs near the Optick, News: y Which they accompany in their pafiage through the Skull. inferring them{elves into the NIiilcles, twining about the Globe of the Eye, which when they arrive, they heparate into numerous Branches, {porting in various forms and motions of different antagonil'c Mufcles. The fill} Branch climbeth upward into the Elevator of the Eye-brow, firifiiiflhi which the Opticks are the largeflt, and Firfl in order, being derived fiom each lide of the Mcdulla oblong/1m, not far from the Medulla Spiizalir, and do creep under the lateral Procefses, to the fides of the Skull, which they per- lifting it upward, and the Curtain being undrawn, the Eyes being expolcd of' thcrbycsl. ' forate about an Inch from the lateral Procelses. ring it upward. The Optick Nerves in a Pike, take their rife from the middle Procefses, and do like a Turbet interfeé‘t each other, that of the Right palling to theLeft Adduoior moving the Eye inward toward the Noll". and the Left to the Right Eye. 7 After the fame manner the Optick Nerves in a Gurnet decufsate each other, Enddo ai'ife out of the Medulla oblongata, under the Anterior Procefs oi the rain. Tl e Ontlck Nerves of: Mullet. C H A P. V The Optick Nerves ofa NIullet do ilsiie out of the Bale of the Medal/a05loi/gatzz, and not far from the Apex of it,and do plainly interfeét earth other. After the lamemanner the Optick Nerves of a Soal do crofs each other, and do derive theinfelves from the Mcdulla oblongam, under the lower Regi- on of the middle l'rocelhes, and are joyned together for fome little {pacer and then part, interfecting each other. The Optitk Nerves of 3 . The Optiek Nerves of a Cod do fpring out of the Mcdulla oblongatamear (Led. its Origen and do unite themfelves without decufsarion, and then pals un- der the Olfactory Nerves, making their addrefs to the Eyes. to the brighter Rays of Light, are rendred capable of Sight. The Second Branch fpreadet‘h it [elf into the Elevator of the Eye, mo- Thcfcmnd The Third is carried toward the greater Cam/2M into the 32:33, The Fourth is traniinit- ted with various Fibres, towards the lefTer Cam/2m moving the Eye outward. The Filth Branch pafling downward, is inferred into the Deprellor of the Eye moving it downward. Next fucceed the Pathetick, being the Fourth pair of Nerves *l- which do hifhiiiiimc not take their rife with the other from the upper Coal't of the Medal; oblon- Ng‘ivcsur the 4gm, near the round Procelses, ftyled the Nam and Tcfler, whence they 5'3;ng, Pifs lorward near the {ides of the Medal/4 oblongata, and at lait arrive the 311m Mater, under which they pals a little way, and then are carried through the Skull in company of other Nerves, appertaining to the Eyes, and have peculiar Branches inferred into the Mufculi t‘rotblearer, and are called by Doé‘torWillir, the Pathetick Nerves, becatife he conceived them to be infirumerits of Various motions and affections of the Eyes, canted in paflions of Fear, Shame, Anger, and Sorrow. Thefe Nerves only affect the Eyes patheti- Fall)', When as other Muicles of the Face are varioully featured with Nerves "filing from the Filth, Sixth, and Seventh pair of Nerves : according to Dr. "ll/"'3 C011,iucliii‘e, the Q'roccgitr NLmzmillizrer are the Olfactory Nerves; and the {hit pair, which I humbly conceive, are only Mediillary Pi‘occfses of the Brain, and no way Nerves, whereupon the Pathetick Nerves are not only {110% 0f the "yes, but alfo the Fourth, Filth, and Sixth pair of Nerves "0 the molt confiderablc Pathetick, whore vaiious motions being very gentle, caufe the divers Features and Configuration: of the Face. The Fifth pair of Nerves, called by the Antients the Third, are heated be- 17-4811The Scat and . t . 0‘" the other pair of Nerves, and have their Origen form. the Sides of the Eighty? it run . a ' Pr oce s,‘ eing Annular . a large ma d Trunk 1 madeu P of man ' hard and NU". Olter Fibres, ordained to exercile the Functions of Senle and Motion In many diliaut parts, whence their confent and fympatliy is maintained in the r133103 of Sight and Smelling, by the communion of Nerves: And the T'iye"W1" bcing aFR‘éted according to the feveral apprehenlions of the Brain, M [2 tl‘lClY |
