WEEPING varieties of trees.

WEEPING habit of trees, capricious inheritance of.

WEEVIL, injury done to stone-fruit by, in North America.

WEIJENBERGH, on parthenogenesis.

WEIR, H., large litter of pigs.

WEIR, JENNER, on the japanned peacock. -mare and quagga. -wildness of mule siskins.

WEISMANN, Prof., reversion from unnatural conditions. -isolation. -dimorphic butterflies. -causes of variability.

WELSH cattle, descended from Bos longifrons.

WEST Indies, feral pigs of. -effect of climate of, upon sheep.

WESTERN, Lord, change effected by, in pigs. -in the sheep.