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There is like wife an account of the Caefarian operation fuc- cefsfully performed by a butcher on a woman in Ireland. Vid. Phil. Tranf. N° 461. feet. 17.

Cyprianus, profefTor at Franeker, gives an extraordinary cafe of the Caefarian operation, whereby a fcetus, which had been dead twenty one months, was drawn out of the tuba uteri, yet the mother preferred d - M. Jobert, phyilcian at Chateau Thierri, relates the hiftory of a woman in the neigh- bourhood of that place, who was twice delivered of children by the Caefarian operation; the firft time in 1682, the fe- cond time eleven months after, and recovered from both t. — [ d Act. Erud. Lipf. An. 1711. p. 82, feq. c Jour, des Scav. Tom. 21. p. 374.] SECTIS nan faciendis, a writ brought by a woman, who for her dower, &c. ought not to perform fuit of court. Reg. orig. 174. Blount, Cowel. SECTOR (Cycl.)— Sector ofafphere. The fc&or efafphere, generated by the revolution of the fedor of acircleC AE about the radius A C, is equal to a cone, whofe bafe is equal to the portion of the fpherical furface gene- rated by the arch AE, or to the circle defcribed with the radius A E, and whofe height is equal to C A, the radius of the fphere. Arch. de Sphasr. et Cyl. Mac Laurin's Fluxions, Introd.

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SECULUM. See the article Age.

SECUNDA {Cycl.) — Second a fuper oneratione faflura^ awrit which lieth where admeafurement of paiture hath been made \ and he that firft furcharged the common doth it a fecond time, notwithstanding the admeafurement. Old Nat. Br. 73. Blount, Cowel.

SECUNDANS, in mathematics, an infinite feries of num- bers, beginning from nothing, and proceeding as the fquares of numbers in arithmetical progrelEon, as o, 1, 4, 9, 16,

25» 3 6 > 49> 6 4> Sf*.

SECUNDINES [Cycl.)— It very often happens that thefe are retained in the womb after childbirth, and great mifchiefs enfue from it. The amftance of a fkilful hand is, in many cafes, neceffary to the getting them out ; and this is to be done with great care and fpeed, before the uterus clofes it- felf upon them, other wife they occafion terrible haemor- rhages, faintings, and often inflammatory and putrid fevers. The patient herfelf may greatly promote the expulfion of thefe, by any forcible emotion of the body, as by a forced cough, or by fneezing ; the midwife at the fame time is gently to pull them by the navel firing, but this mult be done very cautioufly, for fear of its breaking. If this fails, the cautious introducing the hand often fcts all right, or the life of gently pellent medicines may be called in ; and to thefe may be added broths, with faffron in them, and by the ufe of common clyfters great good is often done : but, if after all this care, there yet remain fome fragments of them behind, there ufually arifes a fever within twelve hours; and in this cafe the utrr.oft care muft be taken to prevent putrefaction, and expel the remains of them. To thefe purpofes medicines prepared with myrrh, amber, faf- fron, and the cortex eleutherii, are of the greateft fervice ; and to thefe may he added occaiionally the colliquating and attemperating falts, fuch as tartar urn vitriolatum, and nitre. Junkers Confp. Med. p. 723.

Notwithstanding the great danger that ufually attends the leaving any part of this behind, at the time of delivery, there are inflances of fome perfons lucky enough to efcape; "the fubftance left behind remaining uncorrupted, till the time of its being afterwards difcharged. Kerkring gives us an inftance of this which fell under his own knowledge. A woman had a large portion of it left behind, where it remained four months, and at the end of that time was difcharged uncorrupted, and without any hurt to the perfon- Ker&rmg's Spicileg. Anat.

SECUNDUS {Cyd.) — Secundus mallei, in anatomy, a name given by Duverney, and fome others, to one of the mufcles of the ear. It is the interims auris of Cowper and others, and is moft properly named by Albinus ten/or tympani.

Secundus cculum movent* in anatomy, a name given by Ve- falius to that mufcle of the eye, called by Riolanus and others faperbus, and elevator oculi, and by Albinus the fubduttor, one of hi:; four mufculi recti of the eye.

SECURIDACA, in botany, the name of a genus of plants, the characters of which are thefe. The flower is of the papilionaceous kind, and its piftil, which arifes from the cup, finally becomes a ft rait, flatted, annulated, and jointed pod, which contains in every joint one feed, of a rhomboidal form, and marginated on its inner fide. There is only one known fpecies of this genus, which is the yellow Jecuridaca. Tourn.Xnik. p. 699.

SECURITATEM inmnimdi quod fe rton dhercat ad partes cxteras fine lUmtia regis, an anticnt writ lying for the king

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'againft any of his fubjecrs, to ftay them from going out of this kingdom into foreign parts ; the ground whereof is, that every man is bound to ierve and defend the commonwealth, as the king fhall think fit. F. N. B. 85. Blount, Cowel.

SECUTOR, among the Romans, moft commonly fignified an attendant upon great men. Pitifc. in voc. Secutor, in a more limited knfc, denoted the gladiator who engaged with the retiarius. Pitifc. Lex. Ant. in voc. See the article Retiarius.

SEDAB, in botany, a name given by the Arabian phyficians to the wild, or mountain rue, a plant common in Syria, Greece, and other places. Avifenna fuppofes the gum, which he calls gentum, or jentum, to be produced from this plant, butvery erroneoufly, that gum being obtained from the roots of the thapfia, or deadly carrot.

SEDATIVUM fal. This fait may be obtained by cryftalli- zat:on in the following manner. Take four ounces of bo- rax, and one ounce one drachm of the moft concentrated oil of vitriol ; put the borax into a giafs retort, pour on it half an ounce of common water after the oil of vitriol, and expofe the mixture to a fire gradually encreafed : after the phlegm has palled off, and even while it is patting, there arife flowers, or a volatile fait, in beautiful foliated lamime, fome of which always melt by the heat of the fire; after the operation is over, the fmeft of the flowers aie to be carefully gathered : thefe are what ftick to the neck of the retort. Thofe that are grey, are to be thrown upon the remaining mafs ; this mafs is to be diflblved in water, fil- trated, and evaporated gradually ; fomctimes, even without evaporation, the fhining talcous lamina: are to be feen in the liquor : -after twenty four hours ftanding the water is to be poured off from thefe laminae, they are to be waihed with frefh water, and then dried carefully in a warm place. If thefe cryftals do not calcine in the place where they are put to dry, nor in the fun's heat, it is a fign there is nothing cryftallized but the fal neutrum ; if they do calcine, it is a proof that there is fome Glauber's felt formed of the borax and the vitriolic, and cryftallized in the mafs. This me- thod of procuring the fal fedathum by crystallization, was an invention of Mr. Geoffroy ; every body had before thought it could only be obtained by fublimation. Philcf. Tranf. ^436. p. 40. See Sal.

SEDEM attollens, in anatomy, a name given by Vefalius and others to the mufcle, now more generally known by the name of levator ani.

SEDENTARIUM as, a name given bv fome anatomical writ- ers to the protuberance of the os coxendicis, on which the whole weight of the body refts in fitting.

SEDINA, in the materia medica, a word ufed by fome writers to exprefs dragon's blood.

SEDITION, among civilians, is ufed for an irregular com- motion of the people, or an affembly of a number of citi- zens without lawful authority, tending to difturb the peace and order of the fociety.

This offence is of different kinds : fome feditions more im- mediately threatening the ibpreme power, and the fubverfi- on of the prefent conftitution of the ftate ; others tending only towards the redrefs of private grievances. Among the Romans, therefore, it was variously punifhed, according as its end and tendency threatened greater mifchief. See 1. 1. cod. de Seditiofs, and Math, de Crimin. 1. 2. n. 5. de l&fa majejlate. In the punifhment, the authors and ringleaders were juftly diftinguifhed from thofe, who with Iefs wicked intention joined, and made part of the multitude. The fame distinction holds in the law of England, and in that of Scotland. Some kinds of /edition in England amount to high-trcafon, and come within the Stat. 25 Edw. III. as levying war againft the king. And fcveral feditions are men- tioned in the Scotch Acts of Parliament as treafonable. Payne's Crim. Law of Scotland, p. 33, 34. The law of Scotland makes riotous and tumultuous auem- blies a fpecies of fedition. But the law there, as well as in England, is now chiefly regulated by the Riot Act, made I Geo. I. only it is to be obferved, that the proper officers in Scotland, to make the proclamation thereby enacted, are fherifts, (rewards, and bailies of regalities, or their depu- ties ; magiftrates of royal burroughs, and all other inferior judges and magiftrates; high and petty conftables, or other officers of the peace in any county, ftewartrv, city or town. And in that part of the if] and, the punifhment of the of- fence is death and confifcation of moveables: in England it is felony. See Riot, CycL

SEDMA, a word ufed by fome as a name for the lapis he- matites.

SEDUM, hrjifeleek, in botany, the name of a large genus of plants, the characters of which are thefe. The flower is of the rofaceous kind, confiding of feveral petals, arranged in a circular form. The piftil, which arifes from the cup, fi- nally becomes a fruit, compofed 1 of feveral cafes or. {heaths, conftipated together into a fort of head, and containing a number of fmall ked?.

The fpecies of hcufeleek, enumerated by Mr. Tournefort, are thefe. 1. The great tree houfleek. 1. The common great boujeleek. 3. The narrower leaved great hou/eUek. 4. The

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