642 SCIENTIFIC RECORD FOR 1882. 



C. — Projection of occipital crest, upper occipital curve. 



77. — Projection of tlie inion, external occipital protuberance. 



&. — Asteric diameter, or occipital maximum. 



2. — Metopism, difierence between D and tbe antero-posterior metopic diameter. 



A''. — Sub-cerebral frontal curve, from root of the nose to the ophryon. 



B''. — Frontal cerebral curve, ophryon to the bregma. 



C''. — Total frontal curve, root of the nose to the bregma. 



D''. — Parietal curve, bregma to lambda. 



E'. — Upper occipital curve, lambda to inion. 



F''. — Cerebral occipital curve, inion to opisthion. 



C/. — Total occipital curve, lambda to opisthion. 



tl'. — Supra-auricular transverse curve. 



I\ — Sub-auricular transverse curve. 



K''. — Total transveise curve. 



L''. — Horizontal pre-auricular curve. 



M''. — Horizontal post-auricular curve. 



N''. — Total auricular curve. 



0\ — Midfrontal curve, C^ -f- D'' + E', root of nose to inion. 



„, -D ^. 100 c 

 P^— Ratio, qT-- 



Q'. — Total cerebral curve, O' — A^ — Ophryon to inion. 



„, T, , . 100 B' 

 R\ — Ratio, — ~ — . 



Q 

 S''. — Fronto-sub-occipital curve, O'' -\- F', root of nose to opisthion. 

 T^. — Vertical circumference, E + S'', total antero-posterior, including foramen magnum 



and naso-basilar line. 

 U^. — Anterior or pre-auricular demi-circumference, C'' -f T''. 



V^-Ratio,l-OOU'. 



yf^. — Point of the fac« where the prolongation of the plane of the foramen magnum falls. 

 X'. — First occipital angle, or angle of Daubenton. 

 Y''. — Second occipital angle, or angle of Broca. 

 Z^. — Basilar angle, or angle of Broca. 



I. — Biorbital external length. 

 II. — Biorbital internal length. 

 III. — Distance of the supra-orbital foramina. 

 IV. — Distance of the sub-orbital foramina. 

 V. — Bimaxillary minima. 

 VI. — Bimaxillary maxima. 

 VII. — Bimalar diameter. 

 VIII. — Bijugal diameter. 

 IX. — Bizygomatic width, maximum. 

 X.— Orbital width. 

 XI.— Orbital height. 

 XII.— Orbital index. 

 XIII.— Orbital depth. 

 XIV. — Nasal bone, median length. 

 XV. — Nasal bone, lateral length. 

 XVI. — Nasal bone, upper width. 

 XVII. — Nasal bone, minima width. 



