. Allan Hancock Pacific expeditions. [Reports]. Scientific expeditions. 110 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 8 Nec Thyone gibber Deichmann. 1938, p. 376, text figure 11 (Neothyone gibbosa, spec, nov., see below). Thyone similis Lud%A-ig. 1887, p. 23, pi. 2, fig. 7. Diagnosis.—Medium-sized form, often with body strongly contracted and the blunt oral and anal ends upward cur\-ed. Calcareous ring fairly delicate with well-developed posterior prolongations on the radials; interradials narrow. Single dorsal stone canal, usually several Polian vesicles. Spicules large 4-holed buttons varying f
. Allan Hancock Pacific expeditions. [Reports]. Scientific expeditions. 110 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 8 Nec Thyone gibber Deichmann. 1938, p. 376, text figure 11 (Neothyone gibbosa, spec, nov., see below). Thyone similis Lud%A-ig. 1887, p. 23, pi. 2, fig. 7. Diagnosis.—Medium-sized form, often with body strongly contracted and the blunt oral and anal ends upward cur\-ed. Calcareous ring fairly delicate with well-developed posterior prolongations on the radials; interradials narrow. Single dorsal stone canal, usually several Polian vesicles. Spicules large 4-holed buttons varying from regularly knobbed to swollen; the latter are especially characteristic of the older individuals. The 2 knobs in the center of the button are often united to a handle on both sides of the button. The external layer of buttons has normally dis- tinct teeth developed on the handle of the external side; sometimes ac- cessor}- rods from the margin of the button connect with the spines. Feet with large end plate and numerous stout supporting tables with several rods in the spire and a var5ing number of teeth on the top. Introvert with. 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 Allan Hancock Foundation. Los Angeles, University of Southern California Press
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