NOTES ON BOOKS MEDICAL JOURNAL do not emphasize the importance of episiotomy in breech delivery. This is a strange omission when advising the inexperienced. Additions have also been made to the sections dealing with ovarian physiology, hormones, labour, drugs, care of the infant, and foetal and placental circulation. The book concludes with a brief but most interesting account of the history of midwifery. It is to be hoped this section will be expanded a little in the next edition.