Show the secret of a good Iller memory nory whatever may be bald in regard to training the memory it must bo be remembered that memory is not as used to be sup posed an independent ot of the mind that in some mysterious way may bo be directly strengthened by exercise as the blacksmith strengthens his arm but that memory as retentive is due to the plasticity ot at nerve substance and to the property ol 01 nerve centers by which they retain in growth their functional modifications tio as and that recollection depends upon physiological conditions such as the cerebral circulation and the proper functioning ot of nerve cells moreover that a complete act of 0 recollection ol is a complex process involving comparison inference and the like hence whatever in general is conducive to vigorous health and whatever tends to habits of 0 clear and orderly thinking such conditions will aid recollection and whatever the normal functioning of the nerve cells fatigue intense emotion or the like and whatever blind the judgment will hinder recollection in short all psychological beatitudes are on the head of him who has good health sane emotions and trained power of attention but no amount of study nor all tho the pro pre script ions ot of mnemonic doctors except so far as they train attention can atone toi fot auxinia ana mia ot of body or lack of the power of attention professor W 11 II burnham in scribners liners |