These studies administered equitoxic doses of TCDD in sensitive rats and mice (100 and 500 μg/kg in rat and mouse respectively).

to navigate loxodromically

It is clear that some form of selection must always co-operate in degeneration, such as economy of growth, which he hardly notices except as a possible but not a necessary factor, or actual injuriousness.

Up to coach then goes / The observed maid, takes both the scourge and reins.