. The crinoids of the Indian Ocean. Crinoidea. A. H. CLARK : THE CEINOIDS OF THE INDIAN OCEAN. 129 fifteenth and sixteenth brachials (the second sometimes omitted), and distally at intervals of from seven to ten oblique muscular articulations. Pd 4'5 mm. long, moderately atout basally, but tapering rapidly in the proxi- mal half and slender distally, with twenty segments, at first about twice as broad as long, becoming squarish after the eighth; the second to the seventh seg- ments are rather strongly carinate; P^ similar, very slightly longer and stouter;. Pig. II.—Heterometra singularis. Lat
. The crinoids of the Indian Ocean. Crinoidea. A. H. CLARK : THE CEINOIDS OF THE INDIAN OCEAN. 129 fifteenth and sixteenth brachials (the second sometimes omitted), and distally at intervals of from seven to ten oblique muscular articulations. Pd 4'5 mm. long, moderately atout basally, but tapering rapidly in the proxi- mal half and slender distally, with twenty segments, at first about twice as broad as long, becoming squarish after the eighth; the second to the seventh seg- ments are rather strongly carinate; P^ similar, very slightly longer and stouter;. Pig. II.—Heterometra singularis. Lateral view of the type. Pji 6 mm. long, considerably stouter and stiffer than the preceding and rather more strongly carinate basally, with about twenty segments, the first seven (except for the carinate process) squarish, the remainder slightly longer than broad becoming about half again as long as broad distally ; the ridge in the dis- tal half of the outer side is but little marked ; P, 3 mm. long, much smaller than any of the preceding, with about twelve segments, at first broad, becoming squarish about the fifth, and nearly twice as long as broad distally; the second-. 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 Clark, Austin Hobart, 1880-1954; Indian Museum. Calcutta, Printed by order of the Trustees
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Keywords: ., bookauthorindianmu, bookcentury1900, bookdecade1910, bookyear1912
