varieties of pears found wild in woods, ii. [260].

Jourdan, parthenogenesis in the silk moth, ii. [364].

Juan de Nova, wild dogs on, i. 27.

Juan Fernandez, dumb dogs on, i. 27.

Juglans regia, i. 356-357.

Jukes, Prof., origin of the Newfoundland dog, i. 42.

Julien, Stanislas, early domestication of pigs in China, i. 68;

antiquity of the domestication of the silk-worm in China, i. 300.

Jumpers, a breed of fowls, i. 230.

Juniper, variations of the, i. 361, 364.