40 Anthropological Society of London. 



must have constituted highly bituminous limestones and shales, the 

 volatile matter of which had probably been dissipated and the 

 carbon brought into the state of graphite, before the commencement 

 of the Silurian period. In evidence that such a change might be 

 effected without any great amount of heat, he adduced the fact that 

 in the Devonian rooks of New Brunswick, trunks of trees and even 

 the most delicate leaves of ferns have been converted into graphite 

 without obliterating their structure. 



Anthropological Society of London. — 15th December. — ^De. 

 James Himt, President, in the Chair. — Dr. Carter Blake, F.G.S., 

 Hon. Memb. A.S.L., made a communication on the skull, jaw, and 

 limb-characters afforded by the specimens recently discovered at Cro- 

 Magnon (Les Eyzies), France, and contrasted them with those of 

 similar, and in one case greater, age from the Belgian bone-caves. 

 He pointed out that whilst the Belgian caves afforded evidence of 

 man in some degree pithecoid, yet, on the whole, exaggerating the 

 characters of the lower Sclavonian races ; the French remains were 

 entirely sui generis, and were those of men who, although presenting 

 some simial characters, yet, in cerebral capacity, were superior to 

 most existing races, and in some respects resembled the Celtic crania 

 of the present day. 



GLACIEES IN SOUTH DEVON. 



SiK, — As the question whether there are traces of glacial action in 

 Devon is occasionally mooted, I send a few lines relating to that 

 point. My own practical acquaintance with Glaciers is confined to 

 one hurried visit to Switzerland, and on that account I did not ven- 

 ture in my paper " On the Geology of the Valleys of the Upper part 

 of the Eiver Teign and its feeders" (Quarterly Journal, vol. xxiii. 

 p. 418), to ascribe any of the gravels, or transported rocks, to that 

 cause, but named the gravel, deposited before the " re-excavation" of 

 the valley, "old gravels." Since the meeting of the British Associa- 

 tion, an eminent continental geologist paid me a visit to examine the 

 granite of Dartmoor, and on passing a place where the " old gravel" 

 is exposed, said, " this is a Moraine ; a Swedish or a Swiss geologist 

 would say this is a Moraine." He examined other "old gravel" 

 sections, and gave similar opinions on the spot, which he confirmed 

 on further consideration, and on examining the map of the district ; 

 for " old gravels," therefore, the word " moraines" may probably be 

 substituted. I do not feel justified in publishing the name of my 

 friend, as I omitted to ask his permission so to do, but enclose it for 

 your private satisfaction ; and I trust that your readers will rely on 

 me when I say that he was a well-known Professor, on whose 

 opinion the most eminent geologists would place the greatest reliance. 



G. Wakeing Ormeeod. 



Chagfokd, Exeteb, 



