. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 25G BULLETIN OF THE canals, of which the latter has been more studied and is known to carry a nerve and a water-tube. The outer surface of the arm-bone (Fig. B) pre- sents, above, a hollow (4) in which rests the umbo (1) of the next piece be- yond it; below are two depressions (5) into which fit the knobs (2), and between which is a peg (G) fitting in the socket (3). On each side of the lower edge is a triangular swelling (/â¢), which is the outer wall of the tentacle-socket. Seen from above (Fig. C), the upper longit
GLIX-115-RGGH9G
Magyarország
Kollekció
GLIX Prime
Novel Use
Fotós / Szerző
Book Worm
Leírás
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 25G BULLETIN OF THE canals, of which the latter has been more studied and is known to carry a nerve and a water-tube. The outer surface of the arm-bone (Fig. B) pre- sents, above, a hollow (4) in which rests the umbo (1) of the next piece be- yond it; below are two depressions (5) into which fit the knobs (2), and between which is a peg (G) fitting in the socket (3). On each side of the lower edge is a triangular swelling (/â¢), which is the outer wall of the tentacle-socket. Seen from above (Fig. C), the upper longit