. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. No. 4.] PLA NA RIA MA CULA TA. 203 found where the eyes either divided, or became abnormally large and irregular in shape, and two where the pharynges developed abnormal proportions. The first case was caused by an operation upon a planarian to produce a bud, as indicated in Fig. 6. Three times the bud divided off by fission, leaving the worm almost normal in ap- pearance. After the third operation the eyes, which were cres- centric in outline, began to deposit pigment in the concavity in irregular masses until the condition
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. No. 4.] PLA NA RIA MA CULA TA. 203 found where the eyes either divided, or became abnormally large and irregular in shape, and two where the pharynges developed abnormal proportions. The first case was caused by an operation upon a planarian to produce a bud, as indicated in Fig. 6. Three times the bud divided off by fission, leaving the worm almost normal in ap- pearance. After the third operation the eyes, which were cres- centric in outline, began to deposit pigment in the concavity in irregular masses until the condition represented in Fig. 17 was produced, when the head separated from the body by fission. The second case (Fig. 18) is that of a worm which had been operated on in a similar manner. The bud divided off and. 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 Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
Size: 1189px × 2102px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
