THE ART OF CROSS-EXAMINATION
heart which carries blood toward the head. Branches from it carry the blood up through the opening into the skull at the neck, and the temporal artery branches from one of these.'
"Mr. Butler. 'Doctor, where does it branch off from it? on the inside or the outside of the skull?'
"Witness. 'On the inside.'
"Mr. Butler. 'Does it have anything to do inside with supplying the brain?'
"Witness. 'No.'
"Mr. Butler. 'Well, doctor, how does it get outside to supply the head and temples?'
"Witness. 'Oh, it passes out through its appropriate opening in the skull.'
"Mr. Butler. 'Is that through the eyes?'
"Witness. 'No.'
"Mr. Butler. 'The ears?'
"Witness. 'No.'
"Mr. Butler. 'It would be inconvenient to go through the mouth, would it not, doctor?'
"Here I produced from my green bag a skull. 'I cannot find any opening on this skull which I think is appropriate to the temporal artery. Will you please point out the appropriate opening through which the temporal artery passes from the inside to the outside of the skull?'
"He was utterly unable so to do.
"Mr. Butler. 'Doctor, I don't think I will trouble you
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