1 92 Proceedings 



was opened and lighted for the inspection of meml3ers of the 

 Academy and visiting friends. 



The following program was presented : 



Some Queer Forms of Shell Fish, by President Osborn. 



The Relation of Fatigue to Social, Moral and Educational 

 Progress, by H. S. Baker: 



[abstract.] 



All movements of mind or muscle result in the destruction of some 

 kind or kinds of tissue, and the products of metabolism are thrown 

 into the blood. The prompt removal of this debris of brain or muscle, 

 is necessary for the health and happiness of the individual and for the 

 best work of mind and body, because it is decidedly toxic to all organs. 

 The brain is the motive power, and all fatigue is brain fatigue. The 

 cells of some center are exhausted by every muscular movement. The 

 liberal use of proteids helps the system to rally after fatigue. 



Since all fatigue is brain fatigue, we should remember that we 

 cannot do both mental and muscular work well at the same time. The 

 student should do as little physical work as possible, before he begins 

 his daily tasks. Continued hard work of mind and body in the same 

 day, brings in its train disease of the brain, heart, stomach. We do 

 not feed a horse when he is very tired because the stomach will not 

 digest the food. 



Physiological Psychology of the Emotions: The emotions produce 

 fatigue rapidly. Emotions which are evil and violent, as anger and 

 covetousness, consume the brain cells most rapidly and throw into the 

 blood compounds containing nitrogen, which are very poisonous. Each 

 emotion throws into the blood a different substance, or ash, as it may 

 be called. Those which are holy, as worship and the social feelings, 

 throw into the circulation substances which are good tonics to the en- 

 tire system. The child who is praised for good conduct, by that act, 

 has his intellect improved. Both the scold and the scolded become 

 more stupid by their feelings. Each emotion produces a different odor 

 in the perspiration, which enables a dog to follow his master in a 

 crowd. To be disagreeable to a person is to give him blood-poison. 

 Use of the intellect is reasonably tonic. 



The higher feelings, such as the religious and social, first feel the 

 effect of fatigue. A tired man may lose interest in his Bible and be 

 cross to his family, but still be able to think connectedly. A man may 

 drive a sharp bargain long after he can appreciate a painting or do an 

 unselfish act. The man, benevolent on Monday morning, may be mi- 

 serly Saturday afternoon. Self control also disappears with the advent 

 of fatigue and the tired woman cries for nothing, the brakes are off 

 so to speak, and the feelings run riot. 



Both teachers and children should sit whenever possible. The 

 teacher who stands all day before her school, is cross and stupid in the 



