One is that the increased size of the body would obviously require an increased supply of food, and he considers it as "very problematical whether the disadvantages thence arising would not, in times of scarcity, more than counterbalance the advantages."
Bat da gorputzaren tamainua handitzeak, bistakoa denez, janari gehiagoren premia sortuko zuela, eta uste du "oso problematikoa dela horretara sorturiko desabantailak, urrialdietan, abantailak baino aise gehiago izatea".