Aug. 1897. Observations on Papuan Crania — Dorsey. 29 



shape; internal pterygoids very small. No hamular process of 

 lachrymals. 



Muscular Impressions. — The temporal line is broad but not 

 rough or projecting. The occipital superior curved line is fairly well 

 indicated, and extends from asterion to asterion. Mylo-hyoid ridge 

 very prominent. 



Lower Jaw. — Small and weakly developed. The mandibular 

 angles converge to a considerable extent. Mental development 

 small. Height of symphysis, 30 mm. 



C CHILD'S CRANIUM. 



NO. 40,606. — Skull of a child. Of the permanent teeth, the upper 

 and lower first molars, lower incisors and upper inner incisors have 

 erupted. The age is, therefore, from 8 to 9 years. Each of the 

 frontal eminences presents a pathological appearance and is pitted 

 with innumerable small holes. The parietal eminences also have a 

 somewhat porous or spongy appearance. 



Norma Frontalis. — (See PI. IX, Fig. 1.) An indication of the 

 glabella can already be made out. The orbits are high and round, 

 index 100. The nasal bones are well formed, but there is no 

 bridge as yet; openings rounded. The frontal development is 

 excessive. 



Norma Verticalis.— (See PI. IX, Fig. 2.) Ovoid form. The 

 eminences are all prominent and globular, so that there are no sharp 

 angles in the outline. 



Norma Posterior. — (See PI. X, Fig. 1.) Almost circular. The 

 crown is slightly flattened with narrow base and wide parietals. 



Norma Lateralis. — (See PI. X, Fig. 2.) The forehead rises 

 high and straight above the face; alveolar prognathism slight. 



Norma Inferior.— Foramen magnum oval, measures 30x24 mm. 

 There are no mastoid foramina, nor are the posterior condylar fora- 

 mina present. The left sphenoidal spine is long and hook-like, and 

 is deflected backwards immediately over the foramen spinosum. 



Sutures. — Are all extremely simple. There is a faint trace of 

 the frontal suture, and a cleft can still be seen from right and left 

 asterion passing out into the occipital bone for a distance of about 

 10 mm. 



Muscular Impressions. — The temporal lines are well marked. 



Processes. — Mastoids small; external pterygoids already broad 

 with long hamular processes. 



