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of muscular motion? Have we been able to find out the 

 source of that great strength which often so far exceeds 

 that of the heart ? All these dependencies on circulation 

 are yet unrevealed to us. The gloom of night still 

 wraps these regions in dark obscurity, and you are ear- 

 nestly desirous of chasing it away from before that sun 

 which alone can dispel these shades. Will the dawn of 

 that day ere long gild the horizon of the learned world ? 

 Or is the time of its breaking forth upon us yet afar 

 off? 



But if we are not able to discover the whole, we may 

 at least see enough of it to excite our admiration ; and 

 the sketch which I have just drawn of the circulation, is 

 sufficient to enable us to conceive the highest ideas of 

 the SOVEREIGN MIND, which has appointed the man- 

 ner, duration, and end of it. 



Far less magnificent in its plans, less slulful in the 

 execution of them, hydraulics offer to us but faint images 

 of this miracle, in those machines by means of which 

 water is raised above the mountains, in order to its be- 

 ing distributed into every quarter of a great city, and 

 made to circulate and issue forth, under a hundred va- 

 rious forms, into those gardens which art and nature vie 

 with each other in adorning and embellishing. 



The works of the CREATOT? must be compared with 

 the works of the CREATOR. Ever like HIMSELF, KE 

 lias impressed on all HIS productions a character of 

 nobleness and excellence, which demonstrates the gran- 

 deur of their origin. From that immense mass of water 

 which encompasses the great continents, there incessantly 

 arises an ocean of vapours, which, being rarefied by the 

 combined action of the sun and air, spread themselves 

 in the upper region of the atmosphere, where they re- 

 main suspended in equilibria, being intermixed with the 

 fluid in which they iloat, and gravitate wit!) it. Col- 

 lected afterwards into clouds more or less dense, and 



