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on the understanding that they should not leave the ring so long in place as is generally advised.

This is a form of rubber cap somewhat allied to the Dutch cap (see PI. IV, fig. 9) but not circular. It is more limpet or turtlebacked in shape, and its zygomorphic form makes its insertion more difficult than that of the circular pessaries, as it is necessary for it to be correctly oriented and for the narrower end to be placed in the posterior and the larger end in the anterior regions of the vaginal sinus. Its placing is therefore rather difficult, and special forceps have been designed for its application. Its sole advantage appears to be that, once inserted correctly, it is very little liable to displacement.

It is used on the Continent for cases of abnormal cervix and other such difficult conditions, and is inserted by a medical practitioner or trained nurse.

I know of no single instance of its satisfactory use in England, and I should be interested to hear from any who-use it.

Balls (just the ordinary small plain rubber playing ball of soft rubber) were long since