Remains of the wild cat occur in English caverns; while from those of Ireland (where the wild species has apparently been unknown during the historic period) have been obtained jaws and teeth which it has been suggested are referable to the Egyptian rather than to the European wild cat.
The name Varuna may be Indo-European, identifiable, some believe, with the Greek ofpavos (Uranus), and ultimately referable to a root var, " to cover," Varuna thus meaning "the Encompasser."
The British genus Gemmaria, however, is budded from a hydroid referable to the family Corynidae.
In the secondary tissues of Dicotyledons we may have, as already described, considerably more differentiation of the cells, all the varieties being referable, however, on the one hand to the tracheal or sieve-tube type, on the other to the parenchyma type.
Until a very recent epoch there flourished in Madagascar huge birds referable to the Ratitae, e.g.