n and chicken, i. 365;
Swan River, ii. 261.
DALBRET, varieties of wheat, i. 314.
DALIBERT, changes in the odours of plants, ii. 274.
DALLY, Dr., on consanguineous marriages, ii. 122.
DALTONISM, hereditary, ii. 9.
DAMARAS, cattle of, i. 88, ii. 207-208.
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DAMSON, i. 347.
DANDOLO, Count, on silkworms, i. 301.
DANIELL, fertility of English dogs in Sierra Leone, ii. 161.
DANISH Middens, remains of dogs in, i. 18.
DAPPLING in horses, asses, and hybrids, i. 55.
DARESTE. C., on the skull of the Polish fowl, i. 262;
on the production of monstrous chickens, ii. 289;
co-existence of anomalies, ii. 331;
production of double monsters, ii. 340.
DARVILL, Mr., heredity of good qualities in horses, ii. 11.
DARWIN, C., on _Lepus magellanicus_, i. 112;
on the wild potato, i. 330;
dimorphism in the polyanthus and primrose, ii. 21.
DARWIN, Dr., improvement of vegetables by selection, ii. 204.
DARWIN, Sir F., wildness of crossed pigs, ii. 45.
D'ASSO, monogynous condition of the hawthorn in Spain, i. 364.
_Dasyprocta aguti_, ii. 152.
Date-palm, varieties of the, ii. 256;
effect of pollen of, upon the fruit of _Chamaerops_, i. 299.
_Datura_, ii. 38;
variability in, ii. 266.
_Datura laevis_ and _stramonium_, reversion in hybrids of, i. 392.
_Datura stramonium_, ii. 67.
DAUBENTON, variations in the number of mammae in dogs, i. 35;
proportions of intestines in wild and domestic cats, i. 48, ii. 302.
DAUDIN, on white rabbits, ii. 230.
DAVY, Dr., on sheep in the West Indies, i. 98.
DAWKINS and Sandford, early domestication of _Bos longifrons_ in Britain,
i. 81.
DEAF-MUTES, non-heredity of, ii. 22.
DEAFNESS, inheritance of, ii. 78.
DEBY, wild hybrids of common and musk ducks, ii. 46.
DE CANDOLLE, Alph., number and origin of cultivated plants, i. 306-307,
371;
regions which have furnished no useful plants, i. 310;
wild wheat, i. 312-313;
wild rye and oats, i. 313;
antiquity of varieties of wheat, i. 316;
apparent inefficacy of selection in wheat, i. 318;
origin and cultivation of maize, i. 320, ii. 307;
colours of seeds of maize, i. 321;
varieties and origin of the cabbage, i. 324-325;
origin of the garden-pea, i. 326;
on the vine, i. 332, ii. 308;
cultivated species of the orange group, i. 335;
probable Chinese origin of the peach, i. 337;
on the peach and nectarine, i.