. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. DEVELOPMENT OF BOTRYLLUS BUD 171. FIG. 1, A. Four generations representing complete cycle of zooid. fc1( " ghost " of autolysed zooid of preceding bud generation; b2, ventral view of active zooid bearing right bud only and containing developing eggs in gastrula stage. 63, bud borne by active zooid, with rows of definitive stigmata about to become perforate, and in turn bearing bud of next generation in its initial disc stage (&4). Both the active zooid (&2) and its bud (63) are connected with the colonial c
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. DEVELOPMENT OF BOTRYLLUS BUD 171. FIG. 1, A. Four generations representing complete cycle of zooid. fc1( " ghost " of autolysed zooid of preceding bud generation; b2, ventral view of active zooid bearing right bud only and containing developing eggs in gastrula stage. 63, bud borne by active zooid, with rows of definitive stigmata about to become perforate, and in turn bearing bud of next generation in its initial disc stage (&4). Both the active zooid (&2) and its bud (63) are connected with the colonial circu- latory system by their ventral ampullary vessel, v~. B. Part of 63 at a higher magnification, showing general relationship of bud disc, atrial epithelium, and gonads. This stage is drawn at the same magnification as those of Fig. 4 and follows as a stage of bud development Fig. 4, F. as, atrial sac; ap, atrial epithelium; bd, bud disc; end, endostyle; g, gastrula; ht, heart; ov, ovum; s, bud stalk; st, stomach; /, testis; v, ampullary connecting 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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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
