As in man, and other animals, this part is fre- quently denominated the petrous or rocky bone.

Baron Cuvier describes the anatomy of the internal ear, which, according to this eminent zootomist presents the following interesting peculiarities: "From the external orifice there is a narrow cartilaginous tube proceed- ing to the tympanum or drum of the ear, winding through a bed of fat : this canal pierces the superior maxillary or jaw bone, and terminates above the spiracle or blow-hole in an orifice rendered, by means of a small valve, impenetrable to water.

The internal ear is composed, similarly to that of other Mammalia, of a labyrinth or cochlea, cochlearian orifice, three semicircular canals, a vestibulum and its orifice, a tympanum and its membrane, also articulated osselets placed within the tympanum from its membrane to the vestibulary orifice, a Eustachian tube, with a canal leading from the membrane of the tympanum, and opening to the small external aperture already mentioned.

" The Organ of Touch, No portion of the whale has as yet been discovered by zootomists to which this organ can be referred ; yet, from the great maternal protection afforded by this animal to its young, which it carries and preserves under its fins, I cannot believe it to be destitute of this important sense, which is found in every other known animal ; besides, the habits and manners of the whale form sufficient evidence in my mind of its existence, and of the great pain it endures when the skin is wounded by the harpoon.

The Emhryo Whale, The young whale, when discovered in its earliest foetal state, is generally about 1 7 in in length, and of a white colour ; but the cub when born is black, and varies from 10 to 14 ft, and Baron Cuvier asserts it to be 20 ft, which sometimes may be the case.