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littlö below on thc Neck, and wrinckling of the Skirr, äs in fh e Figitret,how it'did Ihoot out, and coniract h’s Neck, äs 1 obstrVd it when alive. Forsorhe littis (pace here, I could not observe wi h the Glalfes, atiy Jojn-s at a!l ;but aster, very thick ser, and (mall, and gradually mereasing in Lmgth,as they deseended towards the Tai!. The Heads of the orber cwo Wocmsexactly appear’d the fame in the Microfcope , as rhis dtlcribed; and after-wards, by carefully viewing themby my r^ked Eye, I could obsei ve theleHairs or Spikes.

It was objscted by sime Ingenious Perlons, Whether thef 'eSptles or Hairs ,ntight notbshke the (mali Feetof the Ttck or Ricinas, for it’s fastening itfeit the bester to help it'sSuction. And indeed wefe it Blood it hv’d upun,the Case were plain; but linee 'tis Chjle, what scrvice they coitld do itin this, 1 do not fe; tor whcn they fallen, the HeaJ ii deep immerged inthe Inward Coat of the Intestine , and so miy be thought for that time toget but a very inconfiderable Soop, if any; and ndhing in proportion toWhat i; requisite for fovast a long Body, and what it is osten obsefv’d tobe Turgid wirb. Upon the whole, what feems most ägreeable to me,and to be the tme Ille of tlvs parr, we call the HeaJ,. L< thiä ; that by theMfäfis of Hooks, and Spikes, it might fasten ic seif, dnd fo preventitsstoo eafy Ejection out of the Body. För it being fb vety long, and largetöo, andits Body in many places Wirtding, and Convoluted, the Defcent ofthe Fasces upon all Occasions would be apt to Carry it out with them, hadit not this hold ; which is lo fast, that rathet than loosen it self, parts of theBody are sooner bfoken off, which we frequently see in the Stool. Whenit penetrares thc Cdat of the Intestine, itcöntracts itS Hooks in, and draWsup its HeaJ to a Point then expands them, and rakes firm hold of theMembrare, by darting its several Poniards into it; which excites thole into-lerable P ams, which thole that are troubled with them, so mtich complain of,thatl have known it to that Extremity, thatlbme have been fcarce diflwadedfrom offering VrolertCe fo thetriltlveS, to site themselve% 4s they fhoughr,frofti d gVeät iVlilety; and henCe it is that this Worm is fo diflicult a Cure, thattho’ 1 by Mtdicirtfts, and Purges, vast Quantitie» at times may be broüghtaway, yetfomecart hardlyget a perfect Cure all their Lise-time; as I knowof one, who for above 10 Years has been alflicted with it, that has hadthe Adviceof severa! Able and Eminent Physicians.

6. But sin ce in this Head we find no Moutb , we must leek it some wherceile. 1 am Vtfy sensible with hoW gteat difiiculty my prefent thoughtsconcmrirfg thut will bereceiv’d, änef liow obvious to all ’twill be to raiseObjections. But if what 1 here offer be true, others will find ic likewise;if not, I fhall not think my seif oblig’d to believe it. Why at pre-lent I thitik thoso Örifises in every stojnt to be lo many Mou'-hs, I lhall nowgive my Rfeasohs. I havd alreacfy observ*d them to be of two sorts;that in several Worms, both Front Human Bodies as also in those ol BruteAntmais, they aVe placed much about the Middfe of the Jo)nts on theEdges; most frequently altcrnately, irf one Joynt on the Right Hand in theother on the Lest; fomerimes in two, scldom in raore, on the lame

fide;