"Wonders of the World," i. 13

Wood, J.G., book on the horse, ii. [113]

Woodbury, Mr., researches of, i. 146

"World of Life," Wallace's, ii. [8], [94], [167], [172], [176], [178], [182]

"Worms, Formation of Vegetable Mould by Action of," Darwin's, i. 320

Wright, Chauncey, reviews Mivart's "Genesis of Species," i. 264, 265-7

Z

Zöllner, Prof., and supernormal phenomena, ii. [198], [199]

"Zoological Geography of the Malay Archipelago," Wallace's, i, 137, ii. [232]

Zoology, lectures on, at Edinburgh, i, 16; Darwin's study of, at Cambridge, 17