. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. :274 ZOOLOGY Our commonest Northern sea-anemone is Metridium mar- ginatum (Fig. 2ti3), wliicli occurs on rocky shores south to New Jersey, but reaches its centre of development along the coast of Maine. It varies greatlj^ in color, some individuals being est. 7. ^yies t Fig. 264. — Sea-am ninu \\'*1 ^ ill partly cait away, (.tentacles. Muscu- lar system; /.///, loiiv^itud i li niusi Ic ; /'.//^ parietal muscles, or those of the body-wall; /" ^pliintri or circular closing, muscles; , trans- verse mus
. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. :274 ZOOLOGY Our commonest Northern sea-anemone is Metridium mar- ginatum (Fig. 2ti3), wliicli occurs on rocky shores south to New Jersey, but reaches its centre of development along the coast of Maine. It varies greatlj^ in color, some individuals being est. 7. ^yies t Fig. 264. — Sea-am ninu \\'*1 ^ ill partly cait away, (.tentacles. Muscu- lar system; /.///, loiiv^itud i li niusi Ic ; /'.//^ parietal muscles, or those of the body-wall; /" ^pliintri or circular closing, muscles; , trans- verse muscles. Food s^ sicni nd)i mouth; gid, gullet; Sf7p/), siphono- glyph ; vies. 1, 2, .j, mesenteries of first, second, and third order of size : Iji, lappets ; osi. I, 2, openings in mesenteries : , mesenterial filaments. white, others salmon-colored or oli\'e. The flat u]iper sin-face bears the slit-like opening to the internal sac. Either one or both angles of this slit have thickened edges, and correspond- ing to this difference is a difference in the internal structure. Inside, the central cavity is separated into compartments by radial partitions (Fig. 264).. 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 Davenport, Charles Benedict, 1866-1944; Davenport, Gertrude Anna Crotty, 1866- joint author. New York, Macmillan
Size: 1778px × 1405px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1911
