"If it be granted that the Biddenden Maids were pygopagous twins, a study of the histories of other recorded cases of this monstrosity serves to demonstrate many common characters. Thus, of the 8 cases which Taruffi has collected, in 7 the twins were female; and if to these we add the sisters Rosalie and Josepha Blazek and the Maids, we have 10 cases, of which 9 were girls. Again, several of the pygopagous twins, of whom there are scientific records, survived birth and lived for a number of years, and thus resembled the Biddenden terata. Helen and Judith, for instance, were twenty-three years old at death; and the North Carolina twins, although born in 1851, are still alive. There is, therefore, nothing inherently improbable in the statement that the Biddenden Maids lived for thirty-four years. With regard also to the truth of the record that the one Maid survived her sister for six hours, there is confirmatory evidence from scientifically observed instances, for Joly and Peyrat (Bull. de l'Acad. Med., iii., pp. 51 and 383, 1874) state that in the case seen by them the one infant lived ten hours after the death of the other. It is impossible to make any statement with regard to the internal structure of the Maids or to the characters of their genital organs, for there is absolutely no information forthcoming upon these points. It may simply be said, in conclusion, that the phenomenon of Biddenden is interesting not only on account of the curious bequest which arose out of it, but also because it was an instance of a very rare teratologic type, occurring at a very early period in our national history." Possibly the most famous example of twins of this type were Helen and Judith, the Hungarian sisters, born in 1701 at Szony, in Hungary. They were the objects of great curiosity, and were shown successively in Holland, Germany, Italy, France, England, and Poland. At the age of nine they were placed in a convent, where they died almost simultaneously in their twenty-second year. During their travels all over Europe they were examined by many prominent physiologists, psychologists, and naturalists; Pope and several minor poets have celebrated their existence in verse; Buffon speaks of them in his "Natural History," and all the works on teratology for a century or more have mentioned them. A description of them can be best given by a quaint translation by Fisher of the Latin lines composed by a Hungarian physician and inscribed on a bronze statuette of them:--