. The Protozoa. Protozoa. GENERAL SKETCH 51 Still another mode of food-taking is found among the Suctoria. Here there is no mouth and no motile organ to create currents, but the body is provided with distinct tentacle-like processes, through the. Fig. 19. — Acti?iobolus radians St. The organism is represented at rest, with the mouth turned downward, and with the tentacles widely outstretched. At the base of each tentacle is a brush of 8 to 12 cilia which vibrate like flHgella instead of striking like cilia. Within the body are represented the nucleus, contractile vacuole, and one Halteria. end
. The Protozoa. Protozoa. GENERAL SKETCH 51 Still another mode of food-taking is found among the Suctoria. Here there is no mouth and no motile organ to create currents, but the body is provided with distinct tentacle-like processes, through the. Fig. 19. — Acti?iobolus radians St. The organism is represented at rest, with the mouth turned downward, and with the tentacles widely outstretched. At the base of each tentacle is a brush of 8 to 12 cilia which vibrate like flHgella instead of striking like cilia. Within the body are represented the nucleus, contractile vacuole, and one Halteria. ends of which the food substances are absorbed into the body. These tentacles are of various kinds, some sharp-pointed for piercing, others cup-shaped for attachment by suction, while others are pointed and spirally wound (Fig. 20). The cuticle of the prey is pierced by the. 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 Calkins, Gary N. (Gary Nathan), b. 1869. New York, The Macmillan company; London, Mamcillan & co. , ltd.
Size: 1377px × 1815px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcalkinsg, bookcentury1900, bookdecade1900, bookyear1901
