. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. O4 HENRY LESLIE OSBORN. cornnta, excepting as regards the oral papillae. On this point and in the figures of Linton, there is a divergence from either B. nodnlosa, for the ventral papillae are transverse and in the form of a horn, and from the Chautauqua form for the four anterior papillae characteristic of both nodnlosa and cornnta are wholly wanting. If the absence of these papillae is a constant character, as at present it must be assumed to be, we then must accept three species for this genus. The coarser features of the
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. O4 HENRY LESLIE OSBORN. cornnta, excepting as regards the oral papillae. On this point and in the figures of Linton, there is a divergence from either B. nodnlosa, for the ventral papillae are transverse and in the form of a horn, and from the Chautauqua form for the four anterior papillae characteristic of both nodnlosa and cornnta are wholly wanting. If the absence of these papillae is a constant character, as at present it must be assumed to be, we then must accept three species for this genus. The coarser features of the organi- zation of the Chautauqua form is described in the following. FIG. I. B. cornuta, ventral view, compressed, camera lucida X 3°- , duc- tus ejaculatorius ; , genital pore; Laurer's canal; oes., resophagus ; ov., ovary; ph., pharynx; , seminal receptacle ; sp., spermary ; ttt., uterus ; , ventral sucker; , seminal vesicle ; , yolk receptacle. pages. An account of some points in the minuter structure is re- served for a later article. It will be necessary and convenient at least till more is known of B. anricnlata to adopt a name for the Chautauqua species, and I propose for it the name B. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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