. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 370 ROBERT ROBERTSON. 41 FIGURES 31-43. Boonca bisuturalis spermatophores from Massachusetts. Figure 43 shows seven stuck together by their stalks. Spermatozoa are seen emerging only on Figures 35-37, 39 and 42. anterior end of the mantle cavity; attached ends anteriad (Fig. 44). The spermato- phores occur singly or in clusters of up to seven or more (Fig. 43), the stalks stuck together. My 1967 statement about placement was erroneous, being based on spermato- phores that were not fresh and had become stuck Pleas
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 370 ROBERT ROBERTSON. 41 FIGURES 31-43. Boonca bisuturalis spermatophores from Massachusetts. Figure 43 shows seven stuck together by their stalks. Spermatozoa are seen emerging only on Figures 35-37, 39 and 42. anterior end of the mantle cavity; attached ends anteriad (Fig. 44). The spermato- phores occur singly or in clusters of up to seven or more (Fig. 43), the stalks stuck together. My 1967 statement about placement was erroneous, being based on spermato- phores that were not fresh and had become stuck 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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