A treatise on zoology . Fig. IX. Eleutherocrinus Cassedayi; oral view x 6 abnormal, 1. post, radius turned to tlieobserver; r. post, ray has covering-idates ()which in life would have covered over the oralcentre; in r. ant. ray the are removedand one sees the whole of the side-plates ();these again are removed from ant. ray, exposingthe lancet-plate (L); removal of L in 1. ant. rayshows the hydrospires (). (Based on Shumard& Yandell, and Whiteaves.). Fio. X. NudeocrinvK VernrvUi. 1, from antorior riidiuM, x 5. J, oral virnv, showing Inr^o rovor-lng-plat»w ovnr thn i)»«ris
A treatise on zoology . Fig. IX. Eleutherocrinus Cassedayi; oral view x 6 abnormal, 1. post, radius turned to tlieobserver; r. post, ray has covering-idates ()which in life would have covered over the oralcentre; in r. ant. ray the are removedand one sees the whole of the side-plates ();these again are removed from ant. ray, exposingthe lancet-plate (L); removal of L in 1. ant. rayshows the hydrospires (). (Based on Shumard& Yandell, and Whiteaves.). Fio. X. NudeocrinvK VernrvUi. 1, from antorior riidiuM, x 5. J, oral virnv, showing Inr^o rovor-lng-plat»w ovnr thn i)»«ristonit> ( Hril. Miis. K-JO), x Ij. :«. frnni ixistfrior intornidius, x », iitmim; f/i, covtMing-plnttvs, wliicli \vcn food-groovo (/(/); Hi, intormdlalpieces ; H, radialM ; up, spiriicles ; J,, dtlloids, \\w limbs of which Hank tlu< ambuhirni. in the uiubulacruin. As rcgardu tin .structure of tlie other inter-ambulacra Mmtc in a difference of ()])inion. Eacli contains a lanceo- THE BLASTOJDEA 89
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology
