,, , whofreelyadmitsthat,"intheabsenceofsufficientdirectproofstojustifythepossibilityofhishypothesis, , thebearingofwhichisrealandincontestable;" whoconcedesthat "histheoryaccordsverywellwiththegreatfactsofcomparativeanatomyandzoology—comesinadmirablytoexplainunityofcompositionoforganisms, alsotoexplainrudimentaryandrepresentativeorgans, andthenaturalseriesofgeneraandspecies—equallycorrespondswithmanypaleontologicaldata—agreeswellwiththespecificresemblanceswhichexistbetweentwosuccessivefaunas, withtheparallelismwhichissometimesobservedbetweentheseriesofpaleontologicalsuccessionandofembryonaldevelopment," etc.; andfinally, althoughhedoesnotacceptthetheoryintheseresults, heallowsthat "itappearstoofferthebestmeansofexplainingthemannerinwhichorganizedbeingswereproducedinepochsanteriortoourown."
Whatmorethanthiscouldbesaidforsuchanhypothesis? Here, probably, isitscharm, , andcumberedprimafaciewithcumulativeimprobabilitiesasitproceeds, yetitsingularlyaccordswithgreatclassesoffactsotherwiseinsulatedandenigmatic, andexplainsmanythingswhicharethusfarutterlyinexplicableuponanyotherscientificassumption.
; , and, likethetwocounterpartpicturesforthestereoscope, whenbroughttogether, combineintooneapparentlysolidwhole.
