account for the heterogenous and promiscuous occurrence of these shells, all found mixed up in the same nest.
The brownish-black Roman mortar which I obtained in trench No. 3, when dissolved in water, went into a soft pulp, due to the large admixture of pure vegetable mould. On examining it with the lens, I found in it small bones and a few fragments of land shells. It not only shows that the builders mixed their lime with mould or humus dug out from the close proximity, but it gives also an interesting glimpse into the natural history of the locality at the time the station was erected.
Batrachia.
| HABITAT. | |
| Newt, skeleton bones | in pits and ponds, from under the Northern foundation wall, named by Professor Arthur Thomson, of Oxford. |
Coleoptera, &c.
| Aphodius sp., a dung feeder | from the black pit.named by Mr. J. R. Hardy, of the Manchester Museum. | |
| Phratora vulgatissima, feeds on plants, willow leaves | ||
| Niphus hololeucus, feeds on seeds and grain |
Glass, &c.
(1) A fragment of green glass, ¼ inch thick, ornamented with projecting pillar ("pillar moulding"). I have another piece of this class, of blue colour, ⅛ inch thick. See also description in The Antiquities of Richborough, Reculver, and Lymne, by C. Roach Smith, 1850, p. 76 (and the drawing). It has been found previously in London
