| Fam. Ammonacea.
|
| 479*.
|
Orbulites discus. Aganides, Montf.
|
| 480.
|
Goniatites striatus.
|
| 481.
|
Scaphites æqualis.
|
| 482.
|
Crioceratites Duvallii.
|
| 483.
|
Turrilites tuberculatus.
|
| 484.
|
Baculites Faujasii. Portion near the centre.
|
| 484*.
|
Hamites cylindricus; a, internal cast of part of the shell; b, hollow external cast of the remainder.
|
| Second Division. Monothalamous Cephalopoda.
|
| 485.
|
Argonauta Argo.
|
| 486.
|
Bellerophon tenuifasciata. (from Sow. Gen.)
|
| 487.
|
The same, shewing the dorsal keel.
|
| Order. Heteropoda.
|
| 488.
|
Carinaria Mediterranea.
|
