ThefollowinglistwastakenliterallyfromtheMateriaMedicaofHahnemann，bymyfriendM。Vernois，forwhoseaccuracyIamwillingtoberesponsible。Hehasgivensevenpagesofthesesymptoms，notselected，buttakenathazardfromtheFrenchtranslationofthework。Ishallbeverybriefinmycitations。
　　“Afterstoopingsometime，senseofpainfulweightabouttheheaduponresumingtheerectposture。“
　　“Anitching，ticklingsensationattheouteredgeofthepalmofthelefthand，whichobligesthepersontoscratch。“Themedicinewasacetateoflime，andastheactionoftheglobuletakenissaidtolasttwenty-eightdays，youmayjudgehowmanysuchsymptomsasthelastmightbesupposedtohappen。
　　Amongthesymptomsattributedtomuriaticacidarethese：acatarrh，sighing，pimples；“afterhavingwrittenalongtimewiththebackalittlebentover，violentpaininthebackandshoulder-blades，asiffromastrain，“——“dreamswhicharenotremembered，——dispositiontomentaldejection，——wakefulnessbeforeandaftermidnight。“
　　Imightextendthiscataloguealmostindefinitely。Ihavenotcitedthesespecimenswithanyviewtoexcitingasenseoftheridiculous，whichmanyothersofthosementionedwouldnotfailtodo，buttoshowthatthecommonaccidentsofsensation，thelittlebodilyinconveniencestowhichallofusaresubject，areseriouslyandsystematicallyascribedtowhatevermedicinemayhavebeenexhibited，evenintheminutedosesIhavementioned，wholedaysorweekspreviously。
　　Totheseareaddedallthesymptomseversaidbyanybody，whetherdeservingconfidenceornot，asIshallhereafterillustrate，tobeproducedbythesubstanceinquestion。
　　Theeffectsofsixty-fourmedicinalsubstances，ascertainedbyoneorbothofthesemethods，areenumeratedintheMateriaMedicaofHahnemann，whichmaybeconsideredasthebasisofpracticalHomoeopathy。IntheManualofJahr，whichisthecommonguide，sofarasIknow，ofthosewhopractiseHomoeopathyintheseregions，twohundredremediesareenumerated，manyofwhich，however，haveneverbeenemployedinpractice。Inatleastoneeditiontherewerenomeansofdistinguishingthosewhichhadbeentrieduponthesickfromtheothers。Itistruethatmarkshavebeenaddedintheeditionemployedhere，whichservetodistinguishthem；butwhatarewetothinkofastandardpracticalauthoronMateriaMedica，whoatonetimeomitstodesignatetheproperdosesofhisremedies，andatanothertoletushaveanymeansofknowingwhetheraremedyhaseverbeentriedornot，whileheisrecommendingitsemploymentinthemostcriticalandthreateningdiseases？
　　Ithinkthat，fromwhatIhaveshownofthecharacterofHahnemann’sexperiments，itwouldbeasatisfactiontoanycandidinquirertoknowwhetherotherpersons，towhoseassertionshecouldlookwithconfidence，confirmthesepretendedfacts。Nowtherearemanyindividuals，longandwellknowntothescientificworld，whohavetriedtheseexperimentsuponhealthysubjects，andutterlydenythattheireffectshaveatallcorrespondedtoHahnemann’sassertions。
　　Iwilltake，forinstance，thestatementsofAndralandIamnotreferringtohiswell-knownpublicexperimentsinhishospitalastotheresultofhisowntrials。ThisdistinguishedphysicianisProfessorofMedicineintheSchoolofParis，andoneofthemostwidelyknownandvaluedauthorsuponpracticalandtheoreticalsubjectstheprofessioncanclaiminanycountry。Heisamanofgreatkindnessofcharacter，amostliberaleclecticbynatureandhabit，ofunquestionedintegrity，andiscalled，intheleadingarticleofthefirstnumberofthe“HomoepathicExaminer，““aneminentandveryenlightenedallopathist。“Assistedbyanumberofotherpersonsingoodhealth，heexperimentedontheeffectsofcinchona，aconite，sulphur，arnica，andtheothermosthighlyextolledremedies。Hisexperimentslastedayear，andhestatedpubliclytotheAcademyofMedicinethattheyneverproducedtheslightestappearanceofthesymptomsattributedtothem。Theresultsofamanlikethis，soextensivelyknownasoneofthemostphilosophicalandcandid，aswellasbrilliantofinstructors，andwhoseadmirableabilitiesandsignalliberalityaregenerallyconceded，oughttobeofgreatweightindecidingthequestion。
　　M。Double，awell-knownmedicalwriterandaphysicianofhighstandinginParis，hadoccasionsolongagoas1801，beforehehadheardofHomoeopathy，tomakeexperimentsuponCinchona，orPeruvianbark。Heandseveralotherstookthedrugineverykindofdoseforfourmonths，andthefeveritispretendedbyHahnemanntoexciteneverwasproduced。
　　M。Bonnet，PresidentoftheRoyalSocietyofMedicineofBordeaux，hadoccasiontoobservemanysoldiersduringthePeninsularWar，whomadeuseofCinchonaasapreservativeagainstdifferentdiseases，butheneverfoundittoproducethepretendedparoxysms。
　　Ifanyobjectionweremadetoevidenceofthiskind，IwouldrefertotheexpressexperimentsonmanyoftheHomoeopathicsubstances，whichweregiventohealthypersonswitheveryprecautionastodietandregimen，byM。LouisFleury，withoutbeingfollowedbytheslightestofthepretendedconsequences。Andletmementionasacuriousfact，thatthesamequantityofarsenicgiventooneanimalinthecommonformoftheunpreparedpowder，andtoanotherafterhavingbeenrubbedupintosixhundredglobules，offerednoparticulardifferenceofactivityinthetwocases。
　　Thisisastrangecontradictiontothedoctrineofthedevelopmentofwhattheycalldynamicpower，bymeansoffrictionandsubdivision。
　　In1835apublicchallengewasofferedtothebestknownHomoeopathicphysicianinParistoselectanytensubstancesassertedtoproducethemoststrikingeffects；topreparethemhimself；tochooseonebylotwithoutknowingwhichofthemhehadtaken，andtryituponhimselforanyintelligentanddevotedHomoeopatbist，and，waitinghisowntime，tocomeforwardandtellwhatsubstancehadbeenemployed。Thechallengewasatfirstaccepted，buttheacceptanceretractedbeforethetimeoftrialarrived。
　　>FromallthisIthinkitfairtoconcludethatthecataloguesofsymptomsattributedinHomoeopathicworkstotheinfluenceofvariousdrugsuponhealthypersonsarenotentitledtoanyconfidence。
　　2。Itisnecessarytoshow，inthenextplace，thatmedicinalsubstancesarealwayscapableofcuringdiseasesmostliketheirownsymptoms。Forfactsrelatingtothisquestionwemustlooktotwosources；therecordedexperienceofthemedicalprofessioningeneral，andtheresultsoftrialsmadeaccordingtoHomoeopathicprinciples，andcapableoftestingthetruthofthedoctrine。
　　Noperson，thatIamawareof，haseverdeniedthatinsomecasesthereexistsaresemblancebetweentheeffectsofaremedyandthesymptomsofdiseasesinwhichitisbeneficial。Thishasbeenrecognized，asHahnemannhimselfhasshown，fromthetimeofHippocrates。Butaccordingtotherecordsofthemedicalprofession，astheyhavebeenhithertointerpreted，thisistrueofonlyaverysmallproportionofusefulremedies。Norhasiteverbeenconsideredasanestablishedtruththattheefficacyofeventhesefewremedieswasinanydefiniteratiototheirpowerofproducingsymptomsmoreorlesslikethosetheycured。
　　SuchwasthestateofopinionwhenHahnemanncameforwardwiththepropositionthatallthecasesofsuccessfultreatmentfoundintheworksofallprecedingmedicalwritersweretobeascribedsolelytotheoperationoftheHomoeopathicprinciple，whichhadeffectedthecure，althoughwithoutthephysician’sknowledgethatthiswastherealsecret。Andstrangeasitmayseem，hewasenabledtogivesuchadegreeofplausibilitytothisassertion，thatanypersonnotacquaintedsomewhatwithmedicalliterature，notquitefamiliar，I
　　shouldrathersay，withtherelativevalueofmedicalevidence，accordingtothesourceswhenceitisderived，wouldbealmostfrightenedintothebelief，atseeingthepagesuponpagesofLatinnameshehassummonedashiswitnesses。
　　Ithashithertobeencustomary，whenexaminingthewritingsofauthorsofprecedingages，uponsubjectsastowhichtheywerelessenlightenedthanourselves，andwhichtheywereveryliabletomisrepresent，toexercisesomelittlediscretion；todiscriminate，insomemeasure，betweenwritersdeservingconfidenceandthosenotentitledtoit。ButthereisnottheleastappearanceofanysuchdelicacyonthepartofHahnemann。Alargemajorityofthenamesofoldauthorshecitesarewhollyunknowntoscience。WithsomeofthemIhavebeenlongacquainted，andIknowthattheiraccountsofdiseasesarenomoretobetrustedthantheircontemporaryAmbroisePare’sstoriesofmermen，andsimilarabsurdities。Butifmyjudgmentisrejected，asbeingaprejudicedone，IcanrefertoCullen，whomentionedthreeofHahnemann’sauthorsinonesentence，asbeing“notnecessarilybadauthorities；butcertainlysuchwhentheydeliveredveryimprobableevents；“andasthiswassaidmorethanhalfacenturyago，itcouldnothavehadanyreferencetoHahnemann。Butalthoughnottheslightestsignofdiscriminationisvisibleinhisquotations，——althoughforhimahandfulofchafffromSchenckisallthesamethingasameasureofwheatfromMorgagni，——
　　thereisaformidabledisplayofauthorities，andanabundantproofofingeniousresearchestobefoundineachofthegreatworksofHahnemannwithwhichIamfamiliar。“[SomepainfulsurmisesmightariseastotheeruditionofHahnemann’sEnglishTranslator，whomakestwoindividualsof“Zacutus，Lucitanus，“aswellasrespectingthatoftheconductorsofanAmericanHomoeopathicperiodical，whosufferthenameoftheworld-renownedCardanustobespeltCardamusinatleastthreeplaces，werenotthisgrossignoranceofcourseattributableonlytotheprinter。]
　　ItisstatedbyDr。Leo-Wolf，thatProfessorJoerg，ofLeipsic，hasprovedmanyofHahnemann’squotationsfromoldauthorstobeadulterateandfalse。WhatparticularinstanceshehaspointedoutI
　　havenomeansoflearning。AnditisprobablywhollyimpossibleonthissideoftheAtlantic，andeveninmostofthepubliclibrariesofEurope，tofindanythingmorethanasmallfractionoftheinnumerableobscurepublicationswhichtheneglectofgrocersandtrunkmakershassparedtoberansackedbytheall-devouringgeniusofHomoeopathy。Ihaveendeavoredtoverifysuchpassagesasmyownlibraryaffordedmethemeansofdoing。ForsomeIhavelookedinvain，forwant，asIamwillingtobelieve，ofmoreexactreferences。
　　ButthisIamabletoaffirm，that，outoftheverysmallnumberwhichIhavebeenable，totracebacktotheiroriginalauthors，I
　　havefoundtwotobewronglyquoted，oneofthembeingagrossmisrepresentation。
　　ThefirstisfromtheancientRomanauthor，CaeliusAurelianus；thesecondfromthevenerablefolioofForestus。Hahnemannusesthefollowingexpressions，——ifheisnotmisrepresentedintheEnglishTranslationofthe“Organon“：“Asclepiadesononeoccasioncuredaninflammationofthebrainbyadministeringasmallquantityofwine。“
　　AftercorrectingtheerroneousreferenceoftheTranslator，Icanfindnosuchcasealludedtointhechapter。ButCaeliusAurelianusmentionstwomodesoftreatmentemployedbyAsclepiades，intobothofwhichtheuseofwineentered，asbeinginthehighestdegreeirrationalanddangerous。“[CaeliusAurel。DeMorb。Acut。etChron。lib。I。cap。xv。notxvi。Amsterdam。Wetstein，1755。]
　　Inspeakingoftheoilofanise-seed，HahnemannsaysthatForestusobservedviolentcoliccausedbyitsadministration。But，astheauthortellsthestory，ayoungmantook，bythecounselofasurgeon，anacridandvirulentmedicine，thenameofwhichisnotgiven，whichbroughtonamostcruelfitofthegripesandcolic。
　　Afterthisanothersurgeonwascalled，whogavehimoilofanise-seedandwine，whichincreasedhissuffering。“[Observ。etCurat。Med。
　　lib。XXZobs。xiii。Frankfort，1614。]NowifthiswastheHomoeopathicremedy，asHahnemannpretends，itmightbeafairquestionwhytheyoungmanwasnotcuredbyit。Butitisamuchgraverquestionwhyamanwhohasshrewdnessandlearningenoughtogosofarafterhisfacts，shouldthinkitrighttotreatthemwithsuchastonishingnegligenceorsuchartfulunfairness。
　　Evenifeverywordhehadpretendedtotakefromhisoldauthoritiesweretobefoundinthem，eveniftheauthorityofeveryoneoftheseauthorswerebeyondquestion，theloosenesswithwhichtheyareusedtoprovewhateverHahnemannchoosesisbeyondtheboundsofcredibility。Letmegiveoneinstancetoillustratethecharacterofthisman’smind。Hahnemannasserts，inanoteannexedtothe110thparagraphofthe“Organon，“thatthesmelloftherosewillcausecertainpersonstofaint。Andhesaysinthetextthatsubstanceswhichproducepeculiareffectsofthisnatureonparticularconstitutionscurethesamesymptomsinpeopleingeneral。Theninanothernotetothesameparagraphhequotesthefollowingfactfromoneofthelastsourcesonewouldhavelookedtoformedicalinformation，theByzantineHistorians。
　　“Itwasbythesemeans“i。e。HomoeopathicallythatthePrincessEudosiawithrose-waterrestoredapersonwhohadfainted！“