Archive image from page 471 of Discovery reports (1932) Discovery reports discoveryreports06inst Year: 1932 Fig. 56. Sponges with little or no attachment to the substratum. a~h, Tedania sphiata (Ridley). a, a discoid specimen, with hydroids growing vertically downwards from the basal shell and small patches of included sand; h, section of same; c, a second discoid, with included pebble, hydroids growing out from the surface and included patch of sand at the centre; d, section of same; e, a flabellate specimen, showing method of attachment; /, a ' table-shaped 'specimen, showing method of att
Archive image from page 471 of Discovery reports (1932) Discovery reports discoveryreports06inst Year: 1932 Fig. 56. Sponges with little or no attachment to the substratum. a~h, Tedania sphiata (Ridley). a, a discoid specimen, with hydroids growing vertically downwards from the basal shell and small patches of included sand; h, section of same; c, a second discoid, with included pebble, hydroids growing out from the surface and included patch of sand at the centre; d, section of same; e, a flabellate specimen, showing method of attachment; /, a ' table-shaped 'specimen, showing method of attachment; jC-, section through a flabellate specimen, showing manner in which sand is taken up by the sponge; A, a sub-spherical specimen, bearing hydroids and a cirripede, from St. 222, taken in a tow-net. a-g x , h x h i, Disyringa dissimilis, iioMis. x i. j, Cladorhiza longipinna, Ridley and Dendy, showing orientation, x i. k, Monosyringa longispintim, Lendenfeld, showing suckers. /, Monosyringa brondstedi, Burton, showing suckers with attached pebbles, etc. x i. tn-p, Polymastia invaginata, Kirkpatrick. OT, a (floating ?) specimen with a small pebble embedded in the base; n, a 'free' specimen; o, a specimen seated on a rock; p, section through a young specimen, showing choanosome {cli), collenchymatous base (col) and included calcareous fragment [cf). m-o x \,p x 2.
Size: 1327px × 1507px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
