being, at its shortest part, which is the upper and back part, about two inches long.  At the lower front part the band, which is there soft and fleshy, or rather like soft thick skin, is about five inches long, and would be elastic, were it not for a thick rope-like cartilaginous or gristly substance, which forms the upper part of the band, and which is not above three inches long.  The band is probably two inches thick at the upper part, and above an inch at the lower part.  The back part of the band, which is rounded from a thickening at the places where it grows from each body, is not so long as the front part, which is comparatively flat.  The breadth or depth of the band is about four inches.  It grows from the lower and centre part of the breast of each boy, being a continuation of the cartilaginous termination of the breast bone, accompanied by muscles and blood-vessels, and enveloped, like every other portion of the body, with skin, &c.  At present this band is not very flexible; and there is reason to believe that the cartilaginous substance of the upper part is gradually hardening, and will eventually become bone.  From the nature of the band, and the manner in which it grows from each boy, it is impossible that they should be in any other position in relation to each other, but side by side, like soldiers, or coming up a little to front each other.  Their arms and legs are perfectly free to move.  The band is the only connexion between them; and their proximity does not inconvenience either; each of them, whether standing, sitting, or moving, generally has his arm round the neck or the waist of the other.  When they take the arm from this position, so close are they kept together that their shoulders cannot be held straight; and the near shoulder of each being obliged to be held down or up, to allow them room to stand, gives them the appearance of being deformed; but two straighter bodies can scarcely be seen.

In their ordinary motions they may be said to resemble two persons waltzing.  In a room they seem to roll about, as it were, but when they walk to any distance, they proceed straight forward with a gait like other people.  As they rise up or sit down, or stoop, their movements are playful, though strange, not ungraceful, and without the appearance of constraint.  The average height of their countrymen is less than that of Europeans, and they seem rather short for their age, even judging them by their own standard.  They are much shorter than the ordinary run of youths in this country at eighteen years of age, and are both of the same height.  In personal appearance there is a striking resemblance between them; this, however, is but on first impression, for, on closer examination, considerable difference will be observed.  The colour of their skin and form of the nose, lips, and eyes, denote them as belonging to the Chinese; but they have not that broad and flat face which is characteristic of the Mingol race.  Their foreheads