RT Journal Article SR Electronic T1 On the existence in both hemispheres of a dry zone, and its cause JF American Journal of Science JO Am J Sci FD American Journal of Science SP 161 OP 166 DO 10.2475/ajs.s3-26.153.161 VO s3-26 IS 153 A1 Guyot, A. YR 1883 UL http://www.ajsonline.org/content/s3-26/153/161.abstract AB