Butnowelectricityisingeneraluseandnodentist\'sestablishmentiscompletewithoutadynamoattachmentwhichmakesacrooningsoundwheninoperationandprovidesinstrumentalaccompanimenttothesongoftheofficialcanary。
IknowwhyabarberinacountrytownisalwayslearningtoplayontheguitarandIknowwhyamanwithanemotionalAdam\'sapplealwayswearsanopenfrontcollar。Iknowthesethings，butamdebarredfromtellingthembyreasonofasolemnoath。ButIhavenotyetbeenabletodiscoverwhyeverydentistkeepsacanaryinhisoffice。NordoIknowwhyitis，justasyousettleyourneckbackonaheadrestthat\'severybitascomfortableasananvil，andjustasadentistclimbsintoyouasfarasthearmpitsandbeginsprobingatthebottomofatoothwhichhasrootsextendingbackbehindyourears，likeanold—fashionedpairofspectacles，thatthecanarybirdshouldwipehisnoseonacuttleboneanddashintoamelodiousoutburstoftwohundredthousandtwitters，allofthembeingtwittersofthesamesize，shape，andcolor。
Forthatmatter，Idon\'tevenknowwhatkindofananimalacuttleis，althoughIshouldsayfromtheshapeofhisboneasusedbythecanaryinsteadofapockethandkerchief，thatheiscircularandflatandstandsonedgeonlywiththeutmostdifficulty。Ifyouwillpardonmytemporarydigressionsintotherealmofnaturalhistory，wewillnowreturntothemainsubject，whichwasyourtooth。
Themomentthemuscularyoungmanstartsuphismotorandgivesthecanaryitsmusiccueandbeginspawingoverhistoolcollectiontopickoutagoodsharpone，yourecover。Allofasuddenyoufeelfine，andsodoesthetooth。Neitheroneofyoueverfeltbetter。Thefoxterriermusthavekilledthewoodchuckandthencommittedsuicide。Youareabouttomentionthisdoubletragedyandbegtheyoungman\'spardonforcausinghimanytroubleandexcuseyourselfandgoaway，butjustthenhequitsfeelingofhisbicepsandsuddenlyseizesyoubyyourfeaturesandundoesthem。
Ifyouarewhereyoucancatchaglimpseofyourselfinamirroryouwillimmediatelynotehowmuchthehumanfacedivinecanbemadetolooklikeanold—fashionedredbrickColonialfireplace。