. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. 1.—Actinometra pancicirra. A. Dorsal view of the lower part of a ray, showing the syzygies (s) in the radials, distichals, and brachials, X 2: cd, centro-dorsal; r', first i-adial; ?•'?', ?'^, second and third radials united by syzygy ; d^, d', first and second distichals united by syzygy ; b,^ IP-, first and second brachials united by syzygy. B. Ven- tral" aspect of the united second and third radials, X 4. Fig. 2.—A. ('opy of a portion of Walther's diagram of the a
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. 1.—Actinometra pancicirra. A. Dorsal view of the lower part of a ray, showing the syzygies (s) in the radials, distichals, and brachials, X 2: cd, centro-dorsal; r', first i-adial; ?•'?', ?'^, second and third radials united by syzygy ; d^, d', first and second distichals united by syzygy ; b,^ IP-, first and second brachials united by syzygy. B. Ven- tral" aspect of the united second and third radials, X 4. Fig. 2.—A. ('opy of a portion of Walther's diagram of the arm-structure in Solanocrinns costatus : ax, third or axillary radial; s, syzygy. B. Copy of Walther's diagram of the arm-structure in <S'. gracilis, var.: s, an apparent line of syzygy. gelcnk (axillare) innig verwachsen blieb, ahnlich den Syzy- gien der ; These syzygies oi Antedon Eschrichti are represented on fig. 16 of the same plate (Tab. 96) as the figures of Solanocrinus costatus. I have Quenstedt's authority therefore for saying that there is a syzygy between the two outer radials of Solanocrinus costatus *, and I strongly suspect from the appearance of his fig. 26 a on Tab. 96 that the apparently simple first brachial is also a syzygial joint, just as in those recent ten-armed Comatulse which have the two outer radials united by ^yzjgy {Actinometra Solaris^ &c.). But whether this be the case or not, the condition of one of Walther's own specimens, as interpreted by himself, seems * Compare his Tab. UG. figs. 26, 28, 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
