1. Iniencephalus.*
2. Manual of antenatal pathology and hygiene, The embryoEdinburgh, 1904p. 272
3. In Keibel and Mall's Manual of human embryologyPhiladelphia and London1910vol. i, p. 292
4. ABSENCE OF THE CERVICAL SPINE
5. Congenital Cervical Synostosis(Klippel-Feil's Syndrome) Four cases