A Pictorial Atlas of Fossil Remains; Consisting of Coloured Illustrations Selected from Parkinson's Organic Remains of a Former World, and Artis's

by Gideon Algernon Mantell

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1850 edition. ...of Arca; а. bivalve shell, from tertiary strata, Bordeaux. FIG. 31. A curious pteropodous shell (Vagineüa depressa), from tertiary strata, Basterot. FIc.. 32. This appears to be an imperfect specimen of a bivalve having a fibrous structure, like Pinna. It is probably a fragment of an Inoceramus. rossn. FAUNA. 145 PLATE LXIII. TRIGGNIIE. FIGs. 1, & 2, represent the structure of the hinge in both valves of a genus of bivalves of which numerous fossil species are met with in the secondary strata, and two or three species still exist in the Pacific Ocean. The genus is named T rafgonia, from the form of the hinge, and the specific names below are those given by Mr. Parkinson. FIG. 3. Tri.qonia clavellata, of Parkinson, from the Kimmeridge clay, Hartwell, Bucks. FIG. 4. Trígonia costata, Oxford clay, Wilts. FIG. 5. Trigonia ezcentrica; upper greensand, Blackdown. Like most of the shells from this locality, the Trigoniœ are transmuted into silex. FIG. 6 FIG. 7 FIG. 8. Enlarged view of the spines of the above. FIG. 9. Trigonia alœformis, Blackdown. FIG. 10. rudis, Blackdown. FIG. ll. A bivalve shell of the genus Productus (P. antiquatus, of Sowerby?)‚ from the MoIIntain limestone. See description of fig. 9, Plate LXVII. FIG. 12. Cast of a species of Trigonia (T. clavellata), from the Portland rock. Many beds of this oolitic limestone are almost entirely made up of casts of Trigoniœ, and chiefly of this species.-spinosa, Blackdown. FIG. 13. Trigonia-sínua-ta, from Blackdown. РIcв. 14 to 18. "Different views of a species of Harpa.r."-Mr. Parkinson (Plícatula spínosa). From the Lias, Gloucestershire. FIG. 14. The inner surface of the flat valve. FIG. 15. Inner surface of...

54 pages, Paperback

Published September 13, 2013

About the author

English obstetrician, geologist and palaeontologist.