. The Quarterly journal of the Geological Society of London. Fig. 2. nat. Bemrose Ltd., Collo. Olcostephanus Pallasianus (dOrb). VAR. NOV. Vol. 60.] IPPER JURASSIC AMMONITES. !•> belongs to the description. On this principle British geologi —have acted: but foreigners have been led by the figures. The reference of the type of Ammonites varioeostatvs to theAmpthill Clay, which represents a Corallian horizon, seems to becorrect. It appears in fragments on that horizon at Shotover. anda line specimen from Osmington was exhibited by the speaker. Itis the adult form of (Sowerb


. The Quarterly journal of the Geological Society of London. Fig. 2. nat. Bemrose Ltd., Collo. Olcostephanus Pallasianus (dOrb). VAR. NOV. Vol. 60.] IPPER JURASSIC AMMONITES. !•> belongs to the description. On this principle British geologi —have acted: but foreigners have been led by the figures. The reference of the type of Ammonites varioeostatvs to theAmpthill Clay, which represents a Corallian horizon, seems to becorrect. It appears in fragments on that horizon at Shotover. anda line specimen from Osmington was exhibited by the speaker. Itis the adult form of (Sowerbys description). Mr. H. B. Woodward remarked on the importance of findingthese type-specimens and of figuring them by the aid of observed that the complexities of modern nomenclature were agreat trouble to the student, as in some lately-published manualsdifferent generic (or subgeneric) names were used for the samespecies. With field-experience, however, one might becomefamiliar with the many forms of each leading species and withthe horizons which they cha


Size: 2510px × 996px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845