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With this, the writers cited by Thomas should be pretty well accounted for. Those mentioned by Albertus himself are brought forward in the Index auctorum, insofar as they are not treated in their proper place.
This index, as well as the Index nominum propriorum et rerum, has been prepared by high-school teacher Johann Scharold with such care and conscientiousness that in my own revision—due to space constraints, much had to be shortened, especially all the more or less mutilated animal names from the Aristotle-Scotus text, for which the notes provide the correct form and the Index Aristot. by Bonitz provides the interpretation—I hardly ever found an opportunity for improvement. Words that are found in Georges, Lat.-deutsches Handwörterbuch, 7th ed., are not explained in the index; for others, I consulted Du Cange, Gloss. med. et inf. latin. and Körting, Lat.-Roman. Wörterbuch, Paderborn, Schöningh. The Index Arabicus is an entirely independent achievement by high-school professor Dr. Schühlein, who has accomplished outstanding work, especially in the interpretation of snake names. It remained for me only to provide the factual explanations. Thus, I would like to express my sincerest thanks for their efforts to these two gentlemen as well as to G. Prof. Stubenrauch, who helped me read the page proofs; the same thanks are, of course, due again to all the places and persons already mentioned in the first volume who made the realization of this edition possible at all.
For the attempts at zoological identification (for in very many cases one cannot get beyond attempts here), I used in