Cypæa Voluta, Bullata.
Trachus Ziziphinus, Tumidus.
Mactra Triangularis, mostly single valves; Solida, single valves.
Tellina Donacina, ditto.
Narita Pallidula, Rufa.
Cardium Fasciatum, Rubrum.
Buccinum Macula, Minimum.
Helix Subulata, Depressa.
APPENDIX No. IV.
The Maxima, Minima and Media, of the Register Thermometer for twelve years, with the number of Inches of Rain, Prevailing Winds, with the Dry and Wet Days during that period; being an extract from the Meteorological Journal kept at Penzance, at the apartments of the Royal Geological Society of Cornwall. By E. C. Giddy, Esq. Secretary to the Society.
| JANUARY | |||||||
| Years. | Register Thermometer. | Rain in Inches. | Prevailing Winds. | Dry Days. | Wet Days. | ||
| Max. | Min. | Med. | |||||
| 1821 | 55 | 26 | 45.0 | 2.900 | N. E. | 15 | 16 |
| 1822 | 50 | 34 | 44.0 | 2.425 | N. W. | 15 | 16 |
| 1823 | 54 | 34 | 39.0 | 8.625 | S. E. | 14 | 17 |
| 1824 | 54 | 30 | 44.5 | 2.005 | N. E. | 17 | 14 |
| 1825 | 55 | 32 | 45.0 | 3.3375 | W. | 17 | 14 |
| 1826 | 55 | 26 | 41.0 | 3.075 | S. E. | 23 | 8 |
| 1827 | 54 | 24 | 42.0 | 4.420 | W. | 12 | 19 |
| 1828 | 55 | 34 | 47.0 | 7.455 | W. | 12 | 19 |
| 1829 | 52 | 19 | 39.5 | 3.130 | E. | 20 | 11 |
| 1830 | 48 | 23 | 37.0 | 2.480 | N. E. | 16 | 15 |
| 1831 | 52 | 32 | 43.0 | 2.210 | S. E. | 13 | 18 |
| 1832 | 53 | 30 | 43.5 | 3.200 | S. E. | 16 | 15 |
| Extremes and Mean. |
55 | 19 | 42.5 | 3.755 | Ely. 8 Wly.4 |
15.10 | 15.2 |
