"Regression to the mean," ii. [69]
Reichenbach, experiments of, with sensitives, ii. [196], [197]
"Reign of Law," Duke of Argyll's, ii. [23]
"Researches," Prichard's, i. 91, 116, ii. [73]
"—— on Evolution of Stellar Systems," ii. [179]-80
"Revolt of Democracy," Wallace's, ii. [104], [144], [145], [251]
Rhynchæa, i. 183, 184
Rice, Dr. Hamilton, survey of Uaupés River, i. 29
Ridgeway, Dr., Bishop of Salisbury, ii. [252]
Ridley, Mr. H.N., ii. [76]