. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. VITl. Cyathocrinus, 211. 3 DRAWINGS TO ILLUSTRATE THE MORPHOLOGY OF CYATHOCRINUS. '\ he dissected cup; with the anterior radius ou the right. Longitudinal median section through ten column als of C. acinotubus. s, stereom of ossicle; m, matrix rilling axial caual; c, calcite taking the place of former ligament. Transverse section through the stem of C. acinotubus. Lettering as above. Figs. 2 and 8 are both reduced from camera-drawings of E 6004 ; x o diam. 4. Transverse se
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. VITl. Cyathocrinus, 211. 3 DRAWINGS TO ILLUSTRATE THE MORPHOLOGY OF CYATHOCRINUS. '\ he dissected cup; with the anterior radius ou the right. Longitudinal median section through ten column als of C. acinotubus. s, stereom of ossicle; m, matrix rilling axial caual; c, calcite taking the place of former ligament. Transverse section through the stem of C. acinotubus. Lettering as above. Figs. 2 and 8 are both reduced from camera-drawings of E 6004 ; x o diam. 4. Transverse section through a brachial (III Br) of C. acinotubus. Br, body of the ossicle; ax, axial canal; vy, ventral groove : cp, covering-plates. Reduced and restored from camera-drawings of E 1367, ; X 8 diam. 5. A young individual of C. acinotubus {?). The extreme length of some of the brachials may be only apparent and due to the difficulty of seeing the sutures ; it is, however, noticeable in the young of other genera. From an original drawing of vii |/j ; nat. size. or/. A first primibrach of the same, showing that the axial canal is not yet separated from the ventral groove ; X 3 di un. (». Ventral surface of the calyx of C. planus with ambulacrals and inter- ambulacrals removed. A, deltoids, and M, madreporite ; these surround the peristome, and on their edges are seen indentations for the reception of the ambulacrals ; .r, anal. From E 6007, ; X 2 diam. Ventral surface of the calyx of C. mammillaris, Thill., with tegmen complete. A, deltoids, in great part covered by ia, interambu- lacrals; cp, covering-plates, which are irregular; .r, anal, which is partly broken. From a drawing by Mr. llollick of E 288, ; mil. size. 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 F
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
