It cannot be denied it [the chameleon] is (if not the moſt of any) a very abſtemious animall, and ſuch as by reaſon of its frigidity, paucity of bloud, and latitancy in the winter (about which time the obſervations are often made) will long ſubſist without a viſible ſuſtentation.

Teaching has seen continual changes over the past decades.

nonwalking activities

The only reason for there being a second class of scientists is that the chances are good they'll spend their whole lives studying and never get a phud.