WICHURA, MAX, on hybrid willows. -analogy between the pollen of old-cultivated plants and of hybrids.

WICKING, Mr., inheritance of the primary characters of Columba livia in cross-bred pigeons. -production of a white head in almond tumblers.

WICKSTED, Mr., on cases of individual sterility.

WIEGMANN, spontaneous crossing of blue and white peas. -crossing of varieties of cabbage. -on contabescence.

WIGHT, Dr., sexual sterility of plants propagated by buds, etc.

WILCKENS, Dr., effect of previous impregnation. -alpine breeds. -drooping ears. -correlation of hair and horns.

WILDE, Sir W.R., occurrence of Bos frontosus and longifrons in Irish crannoges. -attention paid to breeds of animals by the ancient Irish.

WILDER, Dr. B., on the brain of dogs. -supernumerary digits.

WILDMAN, on the dahlia.

WILDNESS of the progeny of crossed tame animals.