OF SEA-ANEMOXES. Hi 



which receive, separate, and apply certain organic 

 substances, which we call his food, to build up his 

 frame and supply the waste which is caused by his 

 daily muscular exertion, or his daily work ; he is 

 blessed with a nervous system which enables him to 

 communicate with the external world, which receives 

 impressions, and originates motion, and through 

 which he thinks and wills. 



Very well : we place this delicate piece of me- 

 chanism in a damp, plague-stricken abode, laden 

 with i/i-organic impurities of all kinds, — where his 

 lungs cannot imbibe the amount of oxygen which 

 they require, — we feed him with substances from 

 which his digestive organs cannot derive sufficient 

 materials to increase or support his frame, — we in- 

 sist upon surrounding him with objects which can 

 afford him no healthy sensation, — we then have the 

 .assurance to maiwel that, having breathed, and fed 

 upon, and felt the essence of filth for a number of 

 years, he can have the audacity to thmk and act 

 filth for the remainder of his natural life. The 

 marvel would be were it otherwise. We should not, 

 in our sane moments, take the case off a clock, set it 

 in a dusty highway, and expect it to stril^e the hours 

 with its wonted regularity, nor, in like manner, can 

 we expect a man to work as a man when we abstract 

 from his life the very conditions of his manhood. 



Now, if this be true of a man, it is, to a lesser 

 extent, equally true of all animals, and therefore of 



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