NOTES TO PKOCES VEEBAUX. 
457 
Note 20.—The precise nature of the white lamina produced by M. de Quatrefages 
was not satisfactorily determined. At first it was conjectured that it might be a 
flake of a tooth ; and when examined during the seance it was supposed to resemble 
a portion of a shell (?) But it remained unidentified when the conference broke 
up. (H. F.) 
Note 21.—Mr. Busk showed that the surface of a newly fractured portion of that 
hache which he had rubbed with a little moistened matrix on the point of his finger, 
presented exactly the same appearance as the general surface of the hache. 
(W. B. C.) 
Note 22.—This was the detached molar which had been placed in Dr. Falconer’s 
hands at Abbeville, and which was sawn across (i. e. the fang) in London. It was 
covered with the matrix of the couche noire, exactly like the solitary tooth in the con¬ 
troverted jaw; and its section yielded the most remarkable freshness of character. 
But, on the objection raised by M. de Quatrefages, at the instance of M. de Perthes, 
this tooth was relinquished by the English members, as being open to uncertainty 
of identification, or error, through accidental misplacement in the box which bore 
the label referring to a detached molar found on the same day (28th March), in 
the same part of the couche noire as the jaw. (H. F.) 
Note 23.—The jaw was produced towards the close of the meeting. M. de 
Quatrefages called attention specially to the state of the matrix. Mr. Busk thought 
it might have been artificially laid on, but would express no definite opinion until 
the jaw had been properly washed. M. de Quatrefages considered that it could 
be proved that no adhesive material, such as gum or gelatine, had been employed. 
M. Desnoyers remarked that the external surface of the gangue exhibited the 
granular appearance produced by a natural deposition of mineral matter, like 
‘ limonite defer.' (W. B. C.) 
Monday, 11th May. 
Note 24.—The hache here referred to was No. 2 of M. de Quatrefages’ series, 
which he had disengaged with his own hand in situ, and which Mr. Prestwich and 
Dr. Falconer had throughout regarded as not genuine. (II. F.) 
Note 25.—M. Delafosse, Member of the Institute and Professor of Mineralogy, 
who saw the jaw for the first time and has taken no part in the discussion, considers 
that the matrix on the surface of the jaw has not been artificially laid on, but that 
it indicates that the bone has been imbedded in the matrix, and that this lodgment 
must have been prolonged. (W. B. C.) 
Note 26.—The specimen above referred to ( Note 24), No. 2, upon which M. 
Hebert gave an opinion. 
Note 27. —This specimen was of the rudest possible form, and “ had been given 
up at a previous meeting as factitious.” (W. B. C.) 
Note 28.—The specimen here referred to was procured by Dr. Falconer from 
the couche noire on the 14th April. In his view, confirmed by the opinion of Mr. 
Evans, who examined it, it bore the most pronounced characters of modern fabri¬ 
cation, by its rude form, deep conchoidal facets, high dividing angles, sharp unin¬ 
jured edge, recent surface, absence of tinting, patina, or vitreous glimmer, and by 
the crushed fracture caused, apparently, by a vertical blow. In all these respects it 
was exactly like a counterfeit hache of known English origin. One side was washed, 
and the matrix left intact upon the other. The granular appearance of “ limonite 
defer ” in the matrix was such, that M. Delafosse saw no reason to think that it 
had been laid on artificially. (H. F.) 
Messrs. Falconer, Prestwich, and Busk were not shaken in their opinion that 
the several specimens from Moulin-Quignon, Mautort, and St. Gilles, here referred 
to, were all modern fabrications, notwithstanding the verdict passed by so eminent 
an authority on the matrix, which was removed by washing with the utmost facility. 
They still regarded it as having been laid on artificially. (Mr. Busk remarked upon 
the St. Gilles specimen, “ that the matrix contained unquestionable fragments of 
recent vegetable structure.” W. B. C.) 
Note 30.—Mr. Busk is now satisfied, from trials since made, that the strice 
above referred to are not a character of decisive importance, as they can be produced 
