| Fam. Ostracea.
|
| 183.
|
Exogyra conica, (from Sow. Min. Con.)
|
| 184.
|
Placuna placenta. Gen. Placenta, Schum.
|
| 185.
|
Vulsella lingulata.
|
| 186.
|
Anomia Ephippium.
|
| 187.
|
Hinge of the same, with bony process.
|
| 188.
|
Hinge, showing the fissure.
|
| 189.
|
Placunanomia Cumingii.
|
| 190.
|
Hinge of the same, showing the fissure.
|
| 191.
|
Hinge of the unattached valve.
|
| 192.
|
Mulleria. (from Sow. Gen.)
|
| Fam. Rudistis.
|
| 193.
|
Sphærulites foliacea. (Radiolites is more conical.)
|
| 194.
|
Calceola Sandalina.
|
| 196.
|
Birostrites inæquiloba, internal cast of Sphærulites.
|
| 197.
|
a. Crania personata, dorsal valve; b. C. antiquata, interior.
(This would be more properly placed in Brachiopoda.)
|
| 198.
|
Hippurites Cornucopia, (from Blainville.)
|
| 199.
|
Hipponyx Cornucopia, attached valve.
|
| 200.
|
Upper valve of the same.
|
| Fam. Brachiopoda.
|
| 201.
|
Orbicula lævis.
|
| 202.
|
Terebratula Psittacea; a. anterior margin.
|
| 203.
|
Atrypa reticularis. Trigonotreta, König.
|
| 204.
|
Cyrtia exporrecta.
|
| 205.
|
Delthyris plycotes, (from Dalman.)
|
| 206.
|
Leptæna depressa, Dalman. Producta, Sow. (from Sow. Gen.)
|
| 206*.
|
Producta antiquata.
|
| 207.
|
Orthis basalis, Dalman. Strophomena, Rafinesque.
|
| 208.
|
Trigonosemus Lyra, König.
|
| 209.
|
Magas pumilus, Sow.
|
| 210.
|
Gypidia conchidium, (from Dalman.)
|
| 211.
|
Interior of the large valve of the same. (from Dalman.)
|
| 212.
|
Pentamerus Aylesfordii, (from Sow. Min. Con.)
|
| 213.
|
—— lævis.
|
