The arrangements for a wedding of this extraordinary nature are not carried out directly by the parents of the dead boy and girl, but through middlemen appointed by them (known as _kuei mei_ or "ghostly go-betweens"), and many of the other formalities which attend an ordinary marriage are observed with scrupulous care. If the girl has already been buried in the graveyard of her own family her body is exhumed and reburied beside that of the dead bridegroom: and on the tombstone erected at the foot of the grave are duly carved their two names as those of husband and wife. The custom is extremely old: it is mentioned in the _Chou Li_, a book which deals with the laws and customs of China from the twelfth century B.C. onwards. Its origin may perhaps be traced to the same notions that lay at the root of the widely-prevalent Oriental custom of widow immolation or _sati_: the theory being that the sacrifice of widows and slaves at the tomb of a dead man provided him in the comfortless world of shades with the companionship to which he had been accustomed in life. But this strange system of weddings between the dead is practised to-day in Weihaiwei only in order to secure the perpetuation of the sacrificial rites connected with the ancestral cult and to bring about a suitable partition of the family property. If a youth dies unmarried and is an only son, the necessary consequence would appear to be the extinction of the family or the particular branch which the deceased represented. To prevent the occurrence of such a calamity it is necessary in China to provide the deceased with a son by formal adoption. But the matter-of-fact Chinese mind declines to contemplate the possibility of adopting a son for one who, being a bachelor, was not in a position to have a legitimate heir in the ordinary process of nature. It is therefore necessary to begin by providing him with a wife; and this is done by the peculiar arrangement just described, known locally as _ka_ (or _chieh_) _ssŭ ch'in_--the "celebration of a dead marriage." As a rule it is not difficult for parents to find a suitable wife for their dead son, for the family of a girl who has died unmarried will always be glad to have their deceased daughter raised to the honourable status of a married woman. Sometimes, however, complicating circumstances arise. A man named Yü Huai-yüeh died, without children and unmarried, in the tenth year of Kuang Hsü--corresponding to 1884. At that time he had brothers living, and as the family was in no danger of extinction it was not considered necessary to take further action. During subsequent years the brothers also died without issue, and the sorrowing relatives of the family decided in 1897 that Yü Huai-yüeh should at last be provided with a wife. In due time it was reported by "ghostly go-betweens" that a bride with a suitable horoscope was to be found in the family of Hsia of the neighbouring village of Chao Chia. This was a girl who had died as long ago as 1876.