Compendium de plantis omnibus, una cum earum iconibus de quibus scripsit suis in commentariis in Dioscoridem editis, etc (Google eBook)

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Valgrisius, 1821
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Page 97 - ... The same is Figured by Parkinson, in his Organic Remains Vol. II. PI. XVII. Fig. 3. The lateral projections are the commencement of the side arms. This specimen has been corroded with acid, and consequently has lost the superficial Corrugations and in his admirable Monograph on Crinoidea, p. 97. " The mechanism of the joints of the side arms, where these insert into the column, is well worthy of notice, particularly in old specimens. In the earlier stage of their formation, the side arms being...
Page 7 - J; {jf,1 among which are several species of into tentaculated fingers, more or less numerous, surrounding the aperture of the mouth." The two genera which have attracted most attention are those with a circular stem, or Encrinites, most nearly resembling the external form of the lily ; and the Pentacrinites, which have the stem pentagonal. The engravings represent some of the Silurian varieties. All the species in the older rocks...
Page 7 - Limestone, seen from posterior interradios. more or less numerous, surrounding the aperture of the mouth, situated in the centre of a plated integument, which extends over the abdominal cavity, and is capable of being contracted into a conic or proboscal shape. Some species of these animals ascertained to be permanently attached to extraneous bodies, whilst others appear to have been capable of locomotion.
Page 17 - Miller, who established this genus, characterises it aa an animal with a column gradually enlarging at the apex, composed of numerous joints, of which the superior is marked by five diverging ridges, dividing the surface into as many equal portions, sustaining the pelvis, formed of five sub-cuneiform joints, supporting others of a figure nearly similar, from which proceed the arms and tentaculated fingers formed of simple joints having the figure of a horse-shoe.
Page 85 - A crinoidal auimal, with a round or pentagonal column, formed of numerous joints, having side-arms proceeding irregularly from it. On the summit adheres a saucer-shaped pelvis of five pieces, on which are placed in successive series five costal plates, five scapulae, and an intervening plate. From each scapula proceeds
Page 67 - ... to check errors. It is not unlikely that the real joints forming the pelvis are so much abbreviated as not to be visible externally. Every one acquainted with fossils must be aware how difficult it is to trace always organic details in them correctly, and how many specimens are sometimes necessary to ascertain a single fact.
Page 94 - A Crinoidal animal, with a round column composed of numerous joints, perforated by a round alimentary canal. At the summit of the column is placed a pelvis formed of three plates, on which five first costals and one irregular costal adhere; which are succeeded by the second costals and intercostals and the scapulae, from whence five arms proceed, forming two bands, with several tentaculated fingers. . Round .Side Arms proceed at irregular distances from the column, which terminates at the base in...
Page 98 - ... notice, particularly in old specimens. In the earlier stage of their formation, the side arms being very short, and having then little weight, a less firm mode of adhesion to the column than becomes requisite at a subsequent period, being then sufficient, we do not find more than one joint lodged in a socket, or concave im-pression on the column ; but when increase of size renders a stronger support necessary, two or three succeeding joints of the side arms become imbedded in this socket, (for...
Page 67 - Base probably faecicular, and permanently adhering. (Miller.) The author of this generic character says, " It is with considerable hesitation that I describe these five plates as belonging to the pelvis ; the analogy of their lower articulating surfaces seems perhaps rather to indicate their belonging to the first costal series. I have never yet had an opportunity of seeing the connection of these plates with the first column or joint fairly developed, and it seems possible that the true yelvis may...
Page 106 - Af. lœv'u. liliodocrinita (Miller). — A crinoidal animal, with a round and sometimes slightly pentagonal column, formed of numerous joints perforated by a pentapetalous alimentary canal. The pelvis formed of three pieces supporting five square plates, in the spaces of whose lateral bevelled angles five heptagonal first costáis are inserted.

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