292 BUREAU OF AMERICAN ETHNOLOGY [bull. 52 



The peculiar morphologic features of the Miramar skull, as seen by 

 Professor Ameghino and in part already outlined (p. 290), are specified 

 more in detail as follows: 



Of all the specimens representing the Homo pampseus, the Miramar 

 cranium "shows the ancestral characteristics most accentuated,^ 

 having no supraorbital ridges and presenting a front more sloping 

 than any hitherto observed on a human skull that was not artifi- 

 cially deformed. In this respect it surpasses the Neanderthal skull, 

 from which it differs by the absence of the gross supraorbital swell- 

 ings; it seems to difi^er from the same also in its posterior portion, 

 which is more developed vertically and less prolonged backward, 

 but it is probable that this may be due to an occipital compression 

 produced during infancy, although not intentional. 



"This skull, which is distinguished from those of the Homo primi- 

 genius or Neanderthal by a glabella without prominence and the 

 absence of the supraorbital ridges, and differs from that of Homo 

 sapiens by a forehead more sloping than that in the Homunculides 

 and in some of the living apes, can not belong to the same species as 

 existing man; it represents an extinct species, which I named Homo 

 pampseus." 



And in the paper on the Diprothomo,'^ we read (pp. 156-158): 

 "The rostrum of the Miramar skull is prognathic, nearly as much so 

 as in the Ardopitheci and only a little less than that shown by the 

 reconstruction of the Diprothomo; . . . there is no subglabellar 

 depression; . . . the inferior border of the orbits is placed consider- 

 ably more forward than the superior; . . . there is a prolongation 

 forward of the glabellar region, which assumes the form of a truncated 

 cone, a conformation almost absolutely identical with that which I 

 have described in the Diprothomo. . . . 



"The cranial vault is not less extraordinary. It is ultra-dolicho- 

 cephalic with a cephahc index of approximately 60 and with nearly 

 parallel parieties. . . . 



"A simian peculiarity of the skull of the Homo pampseus which 

 merits serious attention is the great development of the zygomatic 

 arches and their bulging outward in such a manner that their trans- 

 verse diameter from the external border of one zygomatic arch to the 

 other much surpasses the greatest transverse diameter of the skull. 

 This is a conformation unknown in normal, that is to say, nonpatho- 

 loo-ic skulls of Homo sapiens, but it is frequent among the apes." 



(Page 164) "In proportion to the rostrum the orbits of the Homo 

 pampseus are very large and, placed below the very small forehead, 

 they give the face an aspect which is truly bestial, which is further 

 augmented by the circumstance that laterally one can not see the 



1 Les formations sedimentaires, etc., p. 449. 



« The data relating to the Homo pampseus are given piecemeal on various pages of the Diprothomo memoir. 



