and as modern geology has almost banished such views as the excavation of a great valley by a single diluvial wave, so will natural selection banish the belief of the continued creation of new organic beings, or of any great and sudden modification in their structure.
eta geologia modernoak ibar handi baten indusketa uholde-uhin bakarrak egina den eritzia eta gisakoak ia ezabatu dituen moduan, halaxe hautespen naturalak ere ezabatuko du izaki organiko berrien etengabeko kreazioaren eritzia, edo haien egituran eraldaketa handi eta bat-batekoak gertatzen diren ustea.