ووضح انك لو أخذت طفل,وبالغ وقدرت متوسط ما سوف يبدو عليه لو نما بنمط خطي سوف يكون لديه عُرف عندما يكون في نصف حجم البالغ
And he showed that if you were to take a baby and an adult and make an average of what it should look like, if it grew in sort of a linear fashion, it would have a crest about half the size of the adult.