Rink, Dr., drift-timber found on Greenland coast presented to, I, 20.

Rissi tridactyla, I, 468.

Rope-walk on ice, I, 238, 464.

Ross expedition, arrangements good, II, 23.

Ross’s gulls, I, 471; II, 313, 315, 324, 325, 341, 343, 344.

Royal Geographical Society, London. (See “Geographical Society.”)

Rubble ice, II, 168.

Russian expeditions, sledges first used on, I, 7.

Russian traders, Khabarova, I, 113, 140.