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>Fromthemaybeenchantedatmospherethatsurroundsnumbersweshallpassmoreeasilytotheevenmoremagicmistsofthefinaltheory，theonlyoneremainingtousforthemoment：themediumisticorsubliminaltheory。This，wemustremember，isnotthetelepathictheoryproperwhichdecisiveexperimentshavemadeusreject。Letushavethecouragetoventureuponit。Whenonecannolongerinterpretaphenomenonbytheknown，wemustneedstrytodosobytheunknown。We，therefore，nowenteranewprovinceofagreatunexploredkingdom，inwhichweshallfindourselveswithoutaguide。
Mediumisticphenomena，manifestationsofthesecondaryorthesubliminalconsciousness，betweenmanandman，are，aswehavemorethanoncehadoccasiontoassureourselves，capricious，undisciplined，evasiveanduncertain，butmorefrequentthanonethoughtand，toonewhoexamines，themseriouslyandhonestly，oftenundeniable。Havesimilarmanifestationsbeendiscoveredbetweenmanandtheanimals？Thestudyofthesemanifestations，whichisverydifficulteveninthecaseofman，becomesstillmoresowhenwequestionwitnessesdoomedtosilence。Thereare，however，someanimalswhicharelookeduponas\"psychic，\"which，inotherwords，seemindisputablytobesensitivetocertainsubliminalinfluences。Oneusuallyclassesthecat，thedogandthehorseinthissomewhatill-definedcategory。Tothesesuperstitiousanimalsonemightperhapsaddcertainbirds，moreorlessbirdsofomen，andevenafewinsects，notablythebees。
Otheranimals，suchas，forinstance，theelephantandthemonkey，appeartobeproofagainstmystery。Bethisasitmay，M。
ErnestBozzano，inanexcellentarticleonLesPerceptionspsychiquesdesanimaux，[1]collectedin1905sixty-ninecasesoftelepathy，presentimentsandhallucinationsofsightorhearinginwhichtheprincipalactorsarecats，dogsandhorses。Thereare，evenamongthem，ghostsorphantomsofdogswhich，aftertheirdeath，returntohauntthehomesinwhichtheywerehappy。