“Emery” is a coarse variety of Corundum.
“Aluminates.”
| Of Magnesia | Spinel ruby. |
| Balas do. | |
| A Phosphate of Alumina and Magnesia | Turquoise. |
The “Spinel” ruby is scarlet; the “Balas,” of a faint pink. The “Oriental” ruby alone has the “pigeon’s blood” hue.
Localities of sundry “Fossils.”
| (Name of Fossil.) | (Proper locality.) | |
|---|---|---|
| Echini | Galerites Albogalerus | Found in the Upper Chalk, and, occasionally, in the Greensand. |
| Ananchytes Ovatus | ||
| Cor Anguinum | ||
| Ammonite | The Lias. | |
| Alcyonite | The Chalk. | |
| Troglodyte | ||
| Choanite | ||
| Ventriculite | ||
| Ichthyolite | The Old Red Sandstone. | |
| Cray-fish | The Gault. | |
| Shark’s teeth | The Tertiary Strata. | |
Plate I.