hrdliOka] skeletal REMAINS OF EARLY MAN 265 



"From tkis it follows that the anterior part of the front is pro- 

 portionately very broad, in which it differs absolutely from the 

 Homo pampseus which on the contrar}^ possesses a frontal region 

 that is exceedingly narrow. The front of this skull appears thus 

 not only very long and narrow in the back but also of a very char- 

 acteristic rectangular contour. 



"The whole frontal appears arched from before backward, form- 

 ing a convex curve not very pronounced but ver}^ regular. 



"This regularity extends also to the anterior supraorbital part, 

 which has no vestiges of the supraorbital ridges nor of the trans- 

 verse depression which accompanies the same, but the frontal emi- 

 nences are plainly visible. 



"Of the post-glabellar depression there remain also no visible 

 vestiges nor is there any visor (insera). The glabella does not 

 protrude but curves notably downward; the interorbital part of 

 the frontals descends especially low below the superior border of 

 the orbits, but its inferior border does not present a backward inver- 

 sion, so that the nasion did not lie in a transverse depression as in 

 modern man; by this characteristic this new type of man accords 

 with the Diprothomo and tlie Homo pampxus. 



"The conformation of the orbits is peculiar; to judge by the 

 superior part, which still exists, and by the arched border, they 

 appear to have been notably more high than broad, as in the Homo 

 pampseus; moreover, they are excessivelij superficial, their roof forming 

 with the external surface of the frontal' region an angle that is nearly 

 obtuse; they are much more superficial than in the Diprothomo. 



"The posterior part of the skull is not less singular. At the first 

 view, the eye is struck with the fact that the occipital aperture is 

 situated more posteriorly than in existing man. The occipital 

 bone, instead of being continued by a long, more or less horizontal 

 space back of the foramen magnum, as is the general rule, ascends 

 rapidly, so that the opening appears as if located nearly in the pos- 

 terior part of the skull, in a way more accentuated than in many 

 apes." 



In the following paragraphs Ameghino speculates as to the "orienta- 

 tion of the skull during life." The conclusion is that "a skull with 

 a sloping frimt directed downward and an occipital opening located 

 nearly in the posterior part of the specimen, indicates a head which 

 in life must have presented a notable grade of inclination downward. 

 It is for this reason that I designate the species, now completely 

 extinct, by the name of Homo caputinclinatus." 



In the latter part of 1910 a brief report on the Arroyo Siasgo 

 remains is made by Mochi.^ Tliis author says he was able to exam- 



' Moehi, A.. Appunti siilla paleoantropologia argentina; in Arch, per VAntr. e la Etn.. XL, Firenze, 1910, 

 pp. 250-253. 



