RT Journal Article SR Electronic T1 Conclusive proofs of the animality of the ciliate sponges, and of their affinities with the Infusoria flagellata JF American Journal of Science JO Am J Sci FD American Journal of Science SP 320 OP 324 DO 10.2475/ajs.s2-42.126.320 VO s2-42 IS 126 A1 Clark, H. James YR 1866 UL http://www.ajsonline.org/content/s2-42/126/320.abstract AB