. A text-book of invertebrate morphology. Invertebrates. 636 INVERTEBBATE MORPBOLOGT. almost the entire length of one side of the body and leads into a branchial sac whose stigmata open directly to the exterior, the atrial cavity disappearing during the course of develop- ment. The intestine is well developed, but the muscles are but slightly indicated, while the reproductive organs, rudi-. 1 g Fig. 291.âA, The Non-bexual, and B, the Sexual, Form op Boliolwn (after Uliahin). cZ = cloaca. j = intestine. dp = dorsal process. n ^ nerve-ganglion. en = endostyle. ot = otocyst. g = reproductive orga
. A text-book of invertebrate morphology. Invertebrates. 636 INVERTEBBATE MORPBOLOGT. almost the entire length of one side of the body and leads into a branchial sac whose stigmata open directly to the exterior, the atrial cavity disappearing during the course of develop- ment. The intestine is well developed, but the muscles are but slightly indicated, while the reproductive organs, rudi-. 1 g Fig. 291.âA, The Non-bexual, and B, the Sexual, Form op Boliolwn (after Uliahin). cZ = cloaca. j = intestine. dp = dorsal process. n ^ nerve-ganglion. en = endostyle. ot = otocyst. g = reproductive organ. ph = pharynx. h = heart. st = stolon. ments of which were present in the young buds, completely atrophy during the process of development. These buds are incapable of leading a free existence, serving only as nutritive and respiratory individuals for the median buds, as â well as for the parent, whose digestive tract degenerates, its muscle-bands and nervous system at the same time under-. 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 McMurrich, J. Playfair (James Playfair), 1859-1939. New York, H. Holt and Company
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1894
