VENOMOUS a.
ot. These serpents constitute two tribes, the viperine serpents, or Solenoglypha, and the cobralike serpents, or Proteroglypha. The former have perforated, erectile fangs situated in the front part of the upper jaw, and are without ordinary teeth behind the fangs; the latter have permanently erect and grooved fangs, wi…
ZAFFER n.
A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate. It is used in porcelain painting, and in enameling pottery, to produce a blue color, and is often confounded with smalt, from which, however, it is dis…