Howeverthismaybe，noone，unlessheisgrosslyignorantofwhatsciencehasdoneformankind，canentertainanydoubtoftheincalculablebenefitswhichwillhereafterbederivedfromphysiology，notonlybyman，butbytheloweranimals。LookforinstanceatPasteur’sresultsinmodifyingthegermsofthemostmalignantdiseases，fromwhich，asitsohappens，animalswillinthefirstplacereceivemorereliefthanman。LetitberememberedhowmanylivesandwhatafearfulamountofsufferinghavebeensavedbytheknowledgegainedofparasiticwormsthroughtheexperimentsofVirchowandothersonlivinganimals。Inthefutureeveryonewillbeastonishedattheingratitudeshown，atleastinEngland，tothesebenefactorsofmankind。Asformyself，permitmetoassureyouthatIhonour，andshallalwayshonour，everyonewhoadvancesthenoblescienceofphysiology。
DearSir，yoursfaithfully，CHARLESDARWIN。
[Inthe\"Times\"ofthefollowingdayappearedaletterheaded\"Mr。DarwinandVivisection，\"signedbyMissFrancesPowerCobbe。Tothismyfatherrepliedinthe\"Times\"ofApril22，1881。OnthesamedayhewrotetoMr。
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\"AsIhaveafairopportunity，Isentalettertothe\"Times\"onVivisection，whichisprintedto—day。Ithoughtitfairtobearmyshareoftheabusepouredinsoatrociousamanneronallphysiologists。]