RT Journal Article SR Electronic T1 Larval theory of the origin of tissue JF American Journal of Science JO Am J Sci FD American Journal of Science SP 332 OP 347 DO 10.2475/ajs.s3-31.185.332 VO s3-31 IS 185 A1 Hyatt, A. YR 1886 UL http://www.ajsonline.org/content/s3-31/185/332.abstract AB