Section 1. Note 2: Observe that this sentence begins with a verb, but is not a question, nor a command; also that the next clause begins with +so+. Under these circumstances supply _it_ at the beginning. Lines were mixed up in the original and "circumstances" was printed as "circumstnces". Section 6. Note 7: +der Peripheriewinkel+ The original text had "Peripheriwinkel". Section 21 Note 9: +unmittelbar+: directly. The original text had "directliy". Section 31 Note 1: +dadurch, dass man+ The original text had "das". End of Project Gutenberg's German Science Reader, by Charles F. Kroeh