technical processes which promised durability.
And thus, after considering the artificial extraction, the evanescence, and the perishable nature of brilliant appearances of colour, we are again returned to the desideratum of permanency.
XLIX.
NOMENCLATURE.
605.
After what has been adduced respecting the origin, the increase, and the affinity of colours, we may be better enabled to judge what nomenclature would be desirable in future, and what might be retained of that hitherto in use.
606.
The nomenclature of colours, like all other modes of designation, but especially those employed to distinguish the objects of sense, proceeded in the first instance from particular to general, and from general back again to particular terms. The name of the species became a generic name to which the individual was again referred.
607.