Archive image from page 226 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( SEXUAL DIFFERENCES IN THE SKULL. 193 12 3 4 9. 10. 11. 12. 13. 14. 15. 16. 17. 31 30 29 2S Fig. 181.—Horizontal Section of the Skull a little below the level of the Inferior Orbital Margin. Canal for naso-lacrimal duct. Middle concha. Nasal septum. Middle meatus of nose. Naso-lacrimal duct. Infra-orbital canal. Opening into maxillary sinus from the middle meatus of the nose. Hoof of maxillary sinus. Inferior orbital fissure. Passing through pterygo-
Archive image from page 226 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( SEXUAL DIFFERENCES IN THE SKULL. 193 12 3 4 9. 10. 11. 12. 13. 14. 15. 16. 17. 31 30 29 2S Fig. 181.—Horizontal Section of the Skull a little below the level of the Inferior Orbital Margin. Canal for naso-lacrimal duct. Middle concha. Nasal septum. Middle meatus of nose. Naso-lacrimal duct. Infra-orbital canal. Opening into maxillary sinus from the middle meatus of the nose. Hoof of maxillary sinus. Inferior orbital fissure. Passing through pterygo-maxillary fissure into pterygo-palatine fossa and ending opposite opening of foramen rotundum. Infra-temporal crest of great wing of sphenoid. Zygomatic arch. Squamous part of temporal. Under surface of great wing of sphenoid. Cut pterygoid process. Tubeiculum articulare. Foramen ovale. 18. Mandibular fossa. 19. Foramen spiuosum. 20. Spine of sphenoid. 21. Petro-squamosal fissure. 22. Opening of bony canal of auditory tube. 23. Carotid canal. 24. Upper opening of carotid canal (foramen lacerum). 25. Anterior opening of pterygoid canal. 26. Roof of pterygo-palatlne fossa just above spheno-palatine foramen. 27. Superior concha. 28. Superior meatus of the nose. 29. Placed in position of si>heno - palatine foramen. 30. Placed in the pterygo - palatine fossa near the upper part of the pterygo- ruaxillary fissure. 31. Pterygoid canal laid open. SEXUAL DIFFERENCES IN THE SKULL. Whilst it is a matter of difficulty, in all cases, to determine with certainty the sex of a skull, the following points of difference are usually fairly characteristic. The female skull is, as a rule, smaller than the male. In point of cranial capacity it averages about a tenth less than the male of corresponding race. Undue stress must not be laid on these facts, since the female in bulk and stature measures on an average less than the male. It is lighter, smoother as regards the development of its muscul
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