. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 172 THREE CRUISES OF THE " BLAKE. by him from a depth of 1,075 fathoms off the Bermudas. It must have attained at least a foot in height. Another most common and at the same time most exquisite type of Hexactinellidse is Aphrocallistes Bocagei (Fig. 522),. Fig. 522. — Aphrocallistes Bocagei. f. which has been dredged by the " Blake " in depths of from 164 to 400 fathoms. It is also found in the eastern basin of the North Atlantic. The network appears to be formed by the co- alescence of stellat
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 172 THREE CRUISES OF THE " BLAKE. by him from a depth of 1,075 fathoms off the Bermudas. It must have attained at least a foot in height. Another most common and at the same time most exquisite type of Hexactinellidse is Aphrocallistes Bocagei (Fig. 522),. Fig. 522. — Aphrocallistes Bocagei. f. which has been dredged by the " Blake " in depths of from 164 to 400 fathoms. It is also found in the eastern basin of the North Atlantic. The network appears to be formed by the co- alescence of stellate spicules. These sponges are often attached to corals and soldered together, so as to form large convo- luted masses. Dactylocalyx is one of the most characteristic of the Caribbean types. The shape of Dactylocalyx pumi- ceus (Fig. 523) varies from that of a cup to that of a flat dish attached by a short stem. The surface is furrowed 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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