The mechanistic conception of life : biological essays (1912)
Loeb, Jacques, 1859-1924 · Chicago, Ill. : University of Chicago Press · leaf 105
a C^J Fig. 29.—Diagram-matic. If a piece c def is cut out from thewall of Cerianthus, asea anemone, newtentacles are formedonly at the upper cutef. \J Fig. 30.—Diagram-matic. If an incisiona cb is made into thebody of Cerianthusnew tentacles growout only from thelower edge c h. 94 The Mechanistic… … Fig. 31.—From natvire. Formation of a second head in Cerianthus after alateral incision at b. Only a fraction of the normal number of tentacles are formedcorresponding to the fraction of the periphery laid bare by the incision. No newmouth is formed, but if a piece of meat is offered to the group…
