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and will revere them most deeply as supporters of my work.
My work has already found assistance, especially through my beloved former teacher, the universally known, tireless, and accurate researcher of nature, Professor Blumenbach, whose erudition is wedded to the most amiable and noble character. Through him, I received an ape skeleton and ape skulls, the illustrations of which have been added to this volume, and I publicly offer him my deepest thanks for this. Also, Councilor Beireis original: "Hofrath Beireis" of Helmstädt, whose eulogist I am far too weak to be, has taken great pains to procure some rare books for me, and I am obligated to bear witness to him of my warmest and most lasting thanks, not only for this kind effort, but also for the friendship and kindness which are indeed natural to his heart, yet which have been shown to me in a special and distinguished way for some years. But it would be irresponsible