Monograph on the fossil reptilia of the London clay / by Professor Owen.

  • Owen, Richard, 1804-1892.
Date:
1850
Catalogue details

Licence: Public Domain Mark

Credit: Monograph on the fossil reptilia of the London clay / by Professor Owen. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    \_N.B.—A left-hand scutum (fig. 4,/), and a left-hand tergum (fig. 5, b), have been accidentally figured instead of right- hand valves, as in all the other Figures and Plates; hence these two hold reversed positions, and in both the occludent margins are to the right, instead of to the left hand.] Fig. 1. Pollicipes unguis; all the figures except (d) are from the same individual, and are magnified twice : {cl) is of the natural size. (а) Carina. (б) Tergum, inside view. (c) Ditto, outside view. (d) Ditto, ditto, (var., natural size.) (e) Rostrum. {/) Sub-rostrum. (g) Upper latus. (h) Latus of the lower whorl, probably adjoining the carina. («) Ditto, inside view. (h) Latera of the lower whorl, probably the two adjoining the rostrum. (/) Ditto, inside view of. Fig. 2. Pollicipes validus ; all figures (a) Carina. (b) Ditto, inside view. (c) Ditto, lateral internal view of. (d) Ditto, section of upper part. natural size. (e) Scutum. (/) Ditto, inside view of. (g) Ditto, inside view of another specimen Fig. 3. Pollicipes gracilis. (a) Scutum, natural size. (b) Scutum, magnified, inside view. Fig. 4. Pollicipes dorsatus; all figures natural size, except (cl), magnified twice. (a) Carina, inside view of. (d) Tergum, magnified twice. (b) Ditto, outside view of. (e) Tergum, natural size. (c) Ditto, section of upper part of. (f ) Scutum, left-hand valve (vide supra). Fig. 5. Pollicipes striatus ; figures natural size, and magnified twice. (a) Carina. (b) Tergum ; a left-hand valve (vide supra). (c) Scutum. Fig. 6. Pollicipes semilatus; magnified about ten times. Fig. 7. Pollicipes rigidus; all figures thrice natural size, except (/), which is twice (a) Carina. (d) Scutum. (b) Ditto, side view of. (e) Tergum. (c) Ditto, section of lower part of. (f) Scutum, inside view. Fig. 8. Pollicipes fallax ; figures twice natural size. (a) Scutum. (b) Tergum. Fig. 9. Pollicipes elegans. (a) Carina, thrice natural size. (c) Scutum, twice natural size. (b) Ditto, section of. (d,) Tergum, twice natural size. Fig. 10. Pollicipes Bronnii; figures magnified twice. (a) Carina. (d) Carina, section of, at one third of length from (b) Ditto, lateral view of. the apex. (c) Ditto, section of, near basis. Fig. 11. Pollicipes planulatus; Tergum, upper figure, natural size.