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Schenck has seen the left ventricle deficient, and the Ephemerides, Behr, and Kerckring speak of a single ventricle only in the heart. Riolan mentions a heart in which both ventricles were absent. Jurgens reported in Berlin, February 1, 1882, an autopsy on a child who had lived some days after birth, in which the left ventricle of the heart was found completely absent.

The celebrated Hieronymus Fabricius of Aquapendente, a most skilful anatomist, and venerable old man, or, as the learned Riolan will have it, Jacobus Silvius, first gave representations of the valves in the veins, which consist of raised or loose portions of the inner membranes of these vessels, of extreme delicacy, and a sigmoid or semilunar shape.

Berdot describes a case in which the tongue was deficient, without apparent disturbance of any of the functions. Riolan mentions speech after loss of the tongue from small-pox. Boddington gives an account of Margaret Cutting, who spoke readily and intelligibly, although she had lost her tongue. Saulquin has an observation of a girl without a tongue who spoke, sang, and swallowed normally.

Riolan, the celebrated anatomist, says that there was to be seen at one time in the suburbs of Saint Germain the tomb of the giant Isoret, who was reputed to be 20 feet tall; and that in 1509, in digging ditches at Rouen, near the Dominicans, they found a stone tomb containing a monstrous skeleton, the skull of which would hold a bushel of corn; the shin-bone measured about 4 feet, which, taken as a guide, would make his height over 17 feet.

De Graff and Riolan describe similar cases. There is an old record of a similar creature, supposing herself to be a male, who took a wife, but previously having had connection with a man, the outcome of which was pregnancy, was shortly after marriage delivered of a daughter.

Besides the motions already spoken of, we have still to consider those that appertain to the auricles. II. Riolan. lib. viii, cap. With all deference to such authority I say that there are four motions distinct in point of place, but not of time; for the two auricles move together, and so also do the two ventricles, in such wise that though the places be four, the times are only two.

Riolan, in his Anthropographia, discussing the ability of virgins to ejaculate urine to a height, states that Scaliger had observed women who were virgins emit urine in a high jet against a wall, but that married women could seldom do this. Bouaciolus also stated that the urine of virgins is emitted in a small stream to a distance with an acute hissing sound.

Instances are on record of women devoid of hair about the genital region. Riolan says that he examined the body of a female libertine who was totally hairless from the umbilical region down. Congenital alopecia is seen in animals. There is a species of dog, a native of China but now bred in Mexico and in the United States, which is distinguished for its congenital alopecia.

The Ephemerides contains the account of a dissection in which the stomach was found wanting, and also speaks of two instances of duplex stomach. Bartholinus, Heister, Hufeland, Morgagni, Riolan, and Sandifort cite examples of duplex stomach. Bonet speaks of a case of vomiting which was caused by a double stomach. Struthers reports two cases in which there were two cavities to the stomach.

From Bergengario da Capri to Jean Riolan the Younger, study of the fetus was recommended as an adjunct of these subjects, and it required investigation by direct observation, as decreed by the "restorers" of anatomy.