THE BONES OF THE PELVIS



The os innominatum is developed from three primary centres of ossification, successively, from the second to the fifth month of foetal life; first in the lower part of the ilium, secondly in the body of the ischium, thirdly in the body of the pubis.

H.N. Guernsey
Henry Newell Guernsey (1817-1885) was born in Rochester, Vermont in 1817. He earned his medical degree from New York University in 1842, and in 1856 moved to Philadelphia and subsequently became professor of Obstetrics at the Homeopathic Medical College of Pennsylvania (which merged with the Hahnemann Medical College in 1869). His writings include The Application of the Principles and Practice of Homoeopathy to Obstetrics, and Keynotes to the Materia Medica.