A treatise on zoology . IKi. Clnnnrrlnun polytlnctnlux. 1, from Hido(from Brit. Miia. 402.)7); 2, vertical Hoctlun(from Mrit. Mum. E«489). Lettering uhiinual. Nat. Hi/«\ THE CRINOIDEA 163 in the cuj). It loads on to Tnjhliocriiius, (Jeiiiit/ (18(57; syii. HiiijrvHi)-cruLiis, Oelilort, 1891), Lower Devonian, Germany and France, wliiclialso has a concave base. Technocriniis, Hall (1859, W. & Sp., 1897),Devonian, Md., , base convex, arms not brancliinj^ beyond IIIBr,no illBr ; the cup plates have axial folds as in Dolatocrinidae, which. Fig. LXXVII. Eucalyptocrinidae. 1, Callicnnus


A treatise on zoology . IKi. Clnnnrrlnun polytlnctnlux. 1, from Hido(from Brit. Miia. 402.)7); 2, vertical Hoctlun(from Mrit. Mum. E«489). Lettering uhiinual. Nat. Hi/«\ THE CRINOIDEA 163 in the cuj). It loads on to Tnjhliocriiius, (Jeiiiit/ (18(57; syii. HiiijrvHi)-cruLiis, Oelilort, 1891), Lower Devonian, Germany and France, wliiclialso has a concave base. Technocriniis, Hall (1859, W. & Sp., 1897),Devonian, Md., , base convex, arms not brancliinj^ beyond IIIBr,no illBr ; the cup plates have axial folds as in Dolatocrinidae, which. Fig. LXXVII. Eucalyptocrinidae. 1, Callicnnus nuuxhisoniamis from tlie side, anus removed except onthe right; 2, plates from distal end of anal tube ; 3, the same plates from C. costatus; 4, similarplates described by Hall as Cryptodisciis; 5, calyx of Callicrinus costatus; 1, 2, 3, U denotesuccessive circlets of the anal tube; i, ii, iii, denote the areas of origin of interbrachialprocesses. Other letters as usual. 1, 2, 3, 5, after Angelin ; 4, after Hall. family may be thus connected with Corymbocrinidae. Family Melocrinoidea with usually concave patina of 4 BBand 5 RR ; in each half-ray are 2 IIBr, supporting IIIBrj (and inEucalyptocrinus IIIBr.,), followed by IIIBr, proximally uniserial, distallybiserial; iBr 3, 2 resting on 1 ; illBr 1 ; tegmen elevated in a centralanal tube, and composed of 4 circlets of large plates, variously shaped 164 THE CRINOIDEA and bearing processes. When stripped of arms and processes, the thecaresembles a sherry-decanter witli a k


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