. Bulletin of the Essex Institute. Essex Institute; Natural history; genealogy. ECHINODERMATA OF NEW ENGLAND. 25 B. I, b. Timet. Bell hemispherical with thick walls. Tubes four. Tentacles, numerous, long, flexible. Ovaries rib- bon-shaped on the tubes. Sense-bodies, numerous. Stomach mounted on a transparent peduncle. Lips, four- parted, margin with clusters of lasso-cells. T. Mabella. SPH^RULA. SECTOR OF ZYGODACTYLY. YOUNG ZYGODACTYLY. Eutima. Bell oval, with thin walls, flexible. Tubes four. Tentacles of two kinds ; four long at extremity of the tubes ; pairs of small tentacles at
. Bulletin of the Essex Institute. Essex Institute; Natural history; genealogy. ECHINODERMATA OF NEW ENGLAND. 25 B. I, b. Timet. Bell hemispherical with thick walls. Tubes four. Tentacles, numerous, long, flexible. Ovaries rib- bon-shaped on the tubes. Sense-bodies, numerous. Stomach mounted on a transparent peduncle. Lips, four- parted, margin with clusters of lasso-cells. T. Mabella. SPH^RULA. SECTOR OF ZYGODACTYLY. YOUNG ZYGODACTYLY. Eutima. Bell oval, with thin walls, flexible. Tubes four. Tentacles of two kinds ; four long at extremity of the tubes ; pairs of small tentacles at intervals about the bell margin. These latter also accompany the long tentacles and may be called spurs. Stomach mounted on a slender ESSEX INST. BULLETIN, VOL. XXIII 2*. 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 Essex Institute. 1n. Salem, Mass. , Essex Institute
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