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ale£»¡¡insects¡¡in¡¡the¡¡water¡£¡¡Even¡¡in¡¡so¡¡extreme¡¡a¡¡case¡¡as¡¡this£»¡¡if¡¡the¡¡supply¡¡of¡¡insects¡¡were¡¡constant£»¡¡and¡¡if¡¡better¡¡adapted¡¡competitors¡¡did¡¡not¡¡already¡¡exist¡¡in¡¡the¡¡country£»¡¡I¡¡can¡¡see¡¡no¡¡difficulty¡¡in¡¡a¡¡race¡¡of¡¡bears¡¡being¡¡rendered£»¡¡by¡¡natural¡¡selection£»¡¡more¡¡and¡¡more¡¡aquatic¡¡in¡¡their¡¡structure¡¡and¡¡habits£»¡¡with¡¡larger¡¡and¡¡larger¡¡mouths£»¡¡till¡¡a¡¡creature¡¡was¡¡produced¡¡as¡¡monstrous¡¡as¡¡a¡¡whale¡£¡¡
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He¡¡who¡¡believes¡¡in¡¡separate¡¡and¡¡innumerable¡¡acts¡¡of¡¡creation¡¡will¡¡say£»¡¡that¡¡in¡¡these¡¡cases¡¡it¡¡has¡¡pleased¡¡the¡¡Creator¡¡to¡¡cause¡¡a¡¡being¡¡of¡¡one¡¡type¡¡to¡¡take¡¡the¡¡place¡¡of¡¡one¡¡of¡¡another¡¡type£»¡¡but¡¡this¡¡seems¡¡to¡¡me¡¡only¡¡restating¡¡the¡¡fact¡¡in¡¡dignified¡¡language¡£¡¡He¡¡who¡¡believes¡¡in¡¡the¡¡struggle¡¡for¡¡existence¡¡and¡¡in¡¡the¡¡principle¡¡of¡¡natural¡¡selection£»¡¡will¡¡acknowledge¡¡that¡¡every¡¡organic¡¡being¡¡is¡¡constantly¡¡endeavouring¡¡to¡¡increase¡¡in¡¡numbers£»¡¡and¡¡that¡¡if¡¡any¡¡one¡¡being¡¡vary¡¡ever¡¡so¡¡little£»¡¡either¡¡in¡¡habits¡¡or¡¡structure£»¡¡and¡¡thus¡¡gain¡¡an¡¡advantage¡¡over¡¡some¡¡other¡¡inhabitant¡¡of¡¡the¡¡country£»¡¡it¡¡will¡¡seize¡¡on¡¡the¡¡place¡¡of¡¡that¡¡inhabitant£»¡¡however¡¡different¡¡it¡¡may¡¡be¡¡from¡¡its¡¡own¡¡place¡£¡¡Hence¡¡it¡¡will¡¡cause¡¡him¡¡no¡¡surprise¡¡that¡¡there¡¡should¡¡be¡¡geese¡¡and¡¡frigate¡­birds¡¡with¡¡webbed¡¡feet£»¡¡either¡¡living¡¡on¡¡the¡¡dry¡¡land¡¡or¡¡most¡¡rarely¡¡alighting¡¡on¡¡the¡¡water£»¡¡that¡¡there¡¡should¡¡be¡¡long¡­toed¡¡corncrakes¡¡living¡¡in¡¡meadows¡¡instead¡¡of¡¡in¡¡swamps£»¡¡that¡¡there¡¡should¡¡be¡¡woodpeckers¡¡where¡¡not¡¡a¡¡tree¡¡grows£»¡¡that¡¡there¡¡should¡¡be¡¡diving¡¡thrushes£»¡¡and¡¡petrels¡¡with¡¡the¡¡habits¡¡of¡¡auks¡£¡¡
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