LIBRARY 



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•DIVERSITY «f ILLINOIS. 



I. 



CRANIOLOGICAL OBSERVATIONS. 



A. MALE CRANIA. 



NO. 40,617. — Skull of adult male, large, massive and heavy. 

 Cranial capacity, 1,515 cc. The upper incisors and right third 

 molar and lower right second premolar have been lost; their alveoli 

 are still open. All the other teeth are present, in sound, healthy 

 condition, but somewhat worn. (No. 2 of Broca's scale. ) 



Norma Frontalis. — (See PI. I, Fig. 1.) Frontal region moder- 

 ately well developed; not prominent; minimum frontal width, 103 

 mm. The glabella is entirely obscured by the highly projecting 

 broad superciliary ridges. The orbits are quadrilateral in outline, 

 with a decided downward inclination to their axes. The inferior and 

 outer orbital margins are not sharp or even well-defined, but rounded 

 so that it is difficult to locate with absolute exactness the external 

 inferior angle of the orbit, or even of the neighboring margins. The 

 nasal bones are long and well fashioned. There is a slight concavity 

 from nasion to the level of the vascular foramen, where the nasals 

 become slightly convex. The bridge is only moderately well marked. 

 The nasal opening is almost sloping, at any rate it is rather more 

 than rounded ; spine very insignificant. The canine fossae are much 

 fuller than is usual in this series. The malar tuberosities are not 

 prominent, nor are the zygomatic arches outstanding. Alveolar arch 

 long and full. 



Norma Verticalis. (See PI. I, Fig. 2.) The skull is extremely 

 long and narrow, measuring 191 x 131 mm., with a cephalic index of 

 68. The parietal eminences are fairly prominent and outstanding. 

 The temporal fossa> are exceptionally broad and deep, and the inferior 

 temporal line approaches within 40 mm. of the sagittal suture, and 

 follows the course of the lambdoidal for nearly half its length. 



Norma Posterior. (See PI. II, Fig. 1.) The pentagon is well 

 marked ; the angle at the vertex is sharp and distinct, the base is 

 horizontal, with nearly straight sides; the asterionic diameter is 100 

 mm., being exceeded by the maximum breadth diameter by 31 mm. 



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