...external surface of the sternal plates. The marginal plates are joined to each other by finely.indented sutures, and bear the impress of the horny scales,...marginal extremities, which are protected by the plates to the osseous border. Mr. Bell considers the species to which it belonged as being closely allied...

...bones. It is adherent to a block of chalk by the external surface of the sternal plates. The marginal plates are joined to each other by finely indented...are protected by the plates of the osseous border. Mr. Bell considers the species to which it belonged as being closely allied in form to the common European...

...bones. It is adherent to a block of chalk by the external surface of the sternal plates. The marginal plates are joined to each other by finely indented...are protected by the plates of the osseous border. Mr. Bell considers the species to which it belonged as being closely allied in form to the common European...

...bones. It is adherent to a block of chalk by the external surface of the sternal plates. The marginal plates are joined to each other by finely indented sutures, and bear the impress of the homy scales or tortoise-shell, with which they were originally covered. The expanded ribs are united...

...bones. It is adherent to a block of chalk by the external surface of the sternal plates. The marginal plates are joined to each other by finely indented...are protected by the plates of the osseous border. Mr. Bell considers the species to which it belonged as being closely allied in form to the common European...