NITZSCH, on the absence of the oil-gland in certain Columbae.

NON-INHERITANCE, causes of.

"NONNAIN" pigeon.

NORDMANN, dogs of Awhasie.

NORMANDY, pigs of, with appendages under the jaw.

NORWAY, striped ponies of.

NOTT and Gliddon, on the origin of the dog. -mastiff represented on an Assyrian tomb. -on Egyptian dogs. -on the Hare Indian dog.

Notylia.

NOURISHMENT, excess of, a cause of variability.

NUMBER, importance of, in selection.