And so fearfully does this prevail in many parts, that parents are afraid to fulfill the first great law of God, 'Be fruitful and multiply, and replenish the earth;' and by desperate circumstances are almost forced to the unnatural wish of not propagating their species; while, corrupted with a correspondent depravity with that which reigns among nations, they are found using suicidal measures [birth control] to prevent an otherwise numerous progeny from increasing their father's misery, and inheriting his misfortunes. And yet, while this is the case, there are immense districts of rich soil, covering millions of square miles, inhabited only by a few untutored savages, or the wild beast of the forest;