APPENDIX. 527 



Head ( Continued) . 



20. Ridge (Cuhnen). The upper outline of the bill when viewed laterally; extending from 



base of bill to the 



21. Tip (Dertrum). 



22. Keel ( Gonijs). The lower outline of the bill viewed laterally ; extending from tlie 



• angle of the chin to the tip. 



23. Angle of the chin (Angulus mentalis). The point where the two branches, or rami, 



of the lower jaw 



24. (Gnathidia, Rami) unite, thence to be continued to its tip as the 



25. Myxa (Si/mphysis). 



26. Malar region (Regiomalaris). The outside of the base of lower jaw; usually covered 



with feathers. 



27. Angle of the mouth {Angulus oris). The angle formed by the mandible and maxilla; 



the posterior boundary of the gape or commissure, the tip of bill being the anterior. 



28. Nostrils {Nares). 



29. Head, as restricted ( Caput). The head, exclusive of the bill. 



30. Cap (Pileus). The whole top of head from the base of bill to nape. 



31. Cro-wn ( Vertex). The highest central portion of the top of head (between the ears). 



32. Sinciput (Sinciput). The anterior half of cap (from bill to middle of cro\yn). 



33. Occiput (Occiput). The posterior half of cap, (from middle of crown to the nape). 



34. Forehead (Frons). From base of bill to crown (usually anterior to line of eye). 



35. Nape (Nucha). See 49. 



36. Frontal points (Antice). The two projecting feathered angles of the forehead embra- 



cing the base of the culmen, or included between the frontal angle of the maxilla and 

 the angle of the mouth (not always present). 



37. Mastax (Masiax). The side of the fore part of the head, adjacent to the base of the 



maxilla, and distinguished by its feathers or its color. 



38. Capister (Capistrum). The anterior portion of the head all round the base of the 



bill. 



39. Lore (Lorum). Narrow space between the bill and the eye, on each side. 



40. Ophthalmic le^on (Regioophihalmica). Space round the eye. 



41. Orbits (Orbita). The innermost portion of the ophthalmic region immediately adjacent 



to the eye. 



42. Cheeks ( G'eHce). See Malar region. 



43. Eyebrow (Supeixilia). A longitudinal stripe immediately above the eye. 



44. Temples ( Tempora). Whole side of the head behind the eye or between the eye, top of 



head, and the ear. 



45. "Paxotic xe^ioTO. (Regio parotica). Space around the ears. 



46. Chin (Mentum). Space embraced between the branches of lower jaw. 



C. The Neck (Collum). 



47. Neck (Collum). The part connecting the head and trunk, enclosing the neck vertebrae. 



48. Hind-neck (Cervix). The upper or posterior portion of the neck, from occiput to 



back. 



49. Nape (Nucha). The portion of hind neck nearest the head. 



