BLAKE — ON THE CRANIA OF ANCIENT EACES. 
213 
cranium precludes any observation on the form of the occiput or the 
length of the sphenoido-parietal suture. 
East Ham (Valley of Thames) . — Mr. Cresy, at the meeting of the 
Geologists' Association on April 7, 1862, exhibited this skull, as well 
as two others, of supposed less geological antiquity. The conditions 
Fig. 10. — Human skull from East Ham (scale \ linear). 
under which it was found were detailed by him. The " skull was 
found in excavating for the foundations of the Northern Outfall 
Sewer, in East Ham Marshes, at a depth of fifteen feet below the 
surface, the strata being — 
2 feet grass and mould. 
5 „ yellow clay. 
5 „ peat. 
3 „ sand and gravel in which it was found. 
15 feet." 
With it were discovered two " celts " chipped on the surface, ex- 
cepting the trenchant edges, which were ground, and the lower jaw 
of a cetacean animal, which will form the subject of future remarks 
by Mr. Cresy. Having had the opportunity, through the kindness 
of Mr. Mackie, of examining this skull, I give the following table of 
measurements, taken with tape and rule in the ordinary manner : 
Inches. 
Longitudinal diameter from between supraorbitals to 
inion Of 
