Gruber examined the literature for thirty years up to the time of his report, and found 30 recorded postmortem examinations in which there was absence of the testicle, and in eight of these both testicles were missing.

As a rule, natural eunuchs have feeble bodies, are mentally dull, and live only a short time.

The penis is ordinarily defective and there is sometimes another associate malformation.

They are not always disinclined toward the opposite sex.
Polyorchids are persons who have more than two testicles.

For a long time the abnormality was not believed to exist, and some of the observers denied the proof by postmortem examination of any of the cases so diagnosed, but there is at present no doubt of the fact,--three, four, and five testicles having been found at autopsies.
Russell, one of the older writers on the testicle, mentions a monk who was a triorchid, and was so salacious that his indomitable passion prevented him from keeping his vows of chastity.