Rising, J. C., [471], [475];

autog., [471].

Rivers in North America, [vii].

Rivière Longue. See [Long River].

Robertson, R. S., [224].

Roberval, Jean François de, [56], [58], [93], [135];

his doings, [65];

death, [66];

his niece, [66].

Rocoles, J. B. de, [305].