German Science Reader

and the Online Distributed Proofreading Team at https://www.pgdp.net

Transcriber's Note:

The spelling in this text has been preserved as in the original. Obvious printer's errors have been corrected. You can find a list of the corrections made at the end of this e-text.

Italic text has been enclosed in _underscores_, bold text has been surrounded by +plus signs+.<...