Quicksilver, to harden lead.

Quills, to prepare; to carry letters; to hold minute specimens.

Quinine.

Radiation chill.

Rae, Dr.

Rafts and boats--Rafts of wood; of bamboo; Boating power of woods; burning down trees; rafts of reeds; of hide; of gourds (Makara); rude boats; sailing; log canoe; of three planks; inflatable indi-rubber; of basket; of reed of fibre; of hide; corracle and fibre; of hide; corracle and skin punt; bark boat and canoe; tin boat; boats, well built, of various materials; boating gear; boat building; boat management; awning--(See also "Boats.").

Rain, to catch.

Ramrod; to replace; probing with, for water; broken ramrod tubes.

Rank birds, to prepare for eating.

Rarefied air.