MYRIAPODA, regeneration of lost parts in.

NAILS, growing on stumps of fingers.

NAIS, scission of.

NAMAQUAS, cattle of the.

NARCISSUS, double, becoming single in poor soil.

NARVAEZ, on the cultivation of native plants in Florida.

Nasua, sterility of, in captivity.

"NATAS" or Niatas, a South American breed of cattle.

NATHUSIUS, H. VON, on striped horses. -on the pigs of the Swiss lake-dwellings. -on the races of pigs. -convergence of character in highly-bred pigs. -causes of changes in the form of the pig's skull. -changes in breeds of pigs by crossing. -change of form in the pig. -effects of disuse of parts in the pig. -period of gestation in the pig. -appendages to the jaw in pigs. -on Sus pliciceps. -period of gestation in sheep. -on Niata cattle. -on shorthorn cattle. -on interbreeding. -in the sheep. -in pigs. -unconscious selection in cattle and pigs. -variability of highly-selected races.

NATO, P., on the Bizzarria orange.