. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. BIOLOGICAL STUDIES ON7 CORVMORPHA. 28l • though it may occur after section of the column even below the fru-tular /one, in the extreme basal region, is most frequent in piece- (lit from the column in its distal half. At the very 1>r\nii>r{fhii, I was Struck with two facts: (I) that a -egment from tin- di-tal half of the column and including the hydraiuh, IK it \elo|. ,i h \dranth at the proximal end until the original hydrant h i- removed; (2) that when the original hydranth ha- lii-eu reino\.-d. the proximal
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. BIOLOGICAL STUDIES ON7 CORVMORPHA. 28l • though it may occur after section of the column even below the fru-tular /one, in the extreme basal region, is most frequent in piece- (lit from the column in its distal half. At the very 1>r\nii>r{fhii, I was Struck with two facts: (I) that a -egment from tin- di-tal half of the column and including the hydraiuh, IK it \elo|. ,i h \dranth at the proximal end until the original hydrant h i- removed; (2) that when the original hydranth ha- lii-eu reino\.-d. the proximal hydranth dexelop-, umler normal condition-, slowly than the distal— another indication, it ma\ Li- mentioned, in passing, of the initial polarization ol the ( \ dela\ing the development of the distal hydranth on a regenerating piece until the pioxiiiial h\dranth should \c lud an advanced stage oi di \clopiueiit, the initial polar- i/atii-ii mi-Jit lie completely re- ed. A. ' .idingly, in the Mimim-i . .1 i'M>2, I performed the I'ollou ing A seg- nieiit \\a-cut I loin the distal hall o| .111 a\erage polyp (Fig. I, A). h \\a- linn inserted, and the di-lal cut Mirface held against tin- gla--- IK. it on i . .f aquarium F |.\ the uei^lit "I a -trrl iici-dle through the distal region I 1. />'). The |.n.\imal end was and the Mem \ertical. At tin' end of three da\-. a ludianth lloiiri>hed at p, though tin re \\a- -ign neithi-r "t tentacle- nor fru-tule- at <la\ - later a -mail hydranth had appeared al , sonu- \\hat iriegularK arranged, probal >1\ eeii \\heii |>re—ed against the -til stratum. nnti'.l in tin ixurred under starvation B FIG. 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 Marine Biological Laboratory (Woods Ho
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
