In monstrosities, the correlations between quite distinct parts are very curious; and many instances are given in Isidore Geoffroy St.

Hilaire's great work on this subject.

Breeders believe that long limbs are almost always accompanied by an elongated head.

Some instances of correlation are quite whimsical; thus cats which are entirely white and have blue eyes are generally deaf; but it has been lately stated by Mr. Tait that this is confined to the males.

Colour and constitutional peculiarities go together, of which many remarkable cases could be given among animals and plants.