288 



THE IRRIGAT 10 N AGE. 



Scraping an Acquaintance With Mars. 



It has been urged that conditions on 

 Mars are too different from those we 

 know to allow human life though cer- 

 tain low forms of vegetation might pre- 

 serve. But why the kind of life, human 

 and otherwise, fitted to earthly environ- 

 ment should be the only variety in the 

 universe is hard to se. 



Persistence of the vital principle to 

 vis most forcibly illustrated here on earth 

 is amazing. Constant change of form 

 but continued existence, is the one un- 

 alterable law, exhibited in jungle and 

 forest, in garden and park hardly less. 



The same ceaseless energy which called 

 life to expression in the ooze of unre- 

 tnembered earth ages, life fitted to the 

 environment then possible, might no 

 more unbelievably awaken the sleeping 

 atoms, concealed in the substance of 

 Mars, to a life different perhaps, but no 

 less real, forceful, pervasive, than our 

 own, and best flourishing in just the 

 conditions there prevailing; if, indeed, 

 Mars, being farther along in its life- 

 story than earth, may not have seen the 

 rise and progress of forms similar to 

 ours and changing with its conditions 

 to that which can still persist in its sur- 

 roundings of today. 



Facts can be succinctly stated; many 

 astronomers, perhaps most, leave them 

 there. But others think it as much the 

 duty of science to explan as to observe, 

 and some of them are coming to indorse 

 what is now known as the Lowellian hy- 

 pothesis, that the canals, coming and go- 

 ing, as they do with the planet's recog- 

 nized seasons, are simply due to vegeta- 

 tion, nourished in spring and summer by 

 an extensive system of irrigation, elabo- 

 rated to a vast extent, which dwellers 

 on the earth have but just begun to 

 imitate. 



And if vegetation then animal life? 

 A riddle which the biologist must guess 

 not the astronomer. And if animal 

 life, then surely animals of high intelli- 

 gence, if we accept the development 

 theory as a cosmic truth, regnant 

 throughout the universe. Clearly our 

 judgment must not be too conserva- 

 tive. 



Shall man, imperfect man alone, 

 Evolve no type above his own ? 

 May he not be already existent on our 

 neighbor planet? From "More Proof of 

 Life on Mars," by David Todd. in The 

 Circle for February. 



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