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Jewish midwives. It is of a very much larger size than anything we have found to be required by ordinary British women. This quite extraordinary difference in size raises an interesting question concerning the national characteristics of internal structure in women of different races. Here once again, proper study of contraceptive methods may bring to light features of general interest to all branches of medicine.

A very great variety of small occlusive caps are manufactured in many countries, and have been in use for over thirty years under a variety of special names. They have had the general approval of many medical men, and one variety, for instance, goes by the name of "Dr. Patterson's." The experience of many who visit the Clinic has now entirely confirmed the views I held tentatively some years ago, and I do not hesitate to advise strongly against all makes with "steel spring rims," air-inflated rims, and so on. At the Clinic experience has taught us to rely solely on the very best quality all rubber cap.

Comments.—Sir Francis Champneys, Bart., M.D., interrogated in cross-examination by the Birth Rate Commission: "The other method we have had commonly practised are fixed pessaries precluding the entrance