580 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1909. 
Neolithic level. 
Brick earth. 
nice Lower Magdalen- 
2 ; 
aan ian level. 
So 
a5 3} 
| ae = 
Ble Ks} 
S drgeron. Pa he 
° 
oS ? Solutréan level. | § 
S Solutréa vel Ss a 
oe a 
4 o 
a > 
Soler 3 
a)q 9 
Pp | sx Ne Teles yates ae uw 
pea My . . Py . a > W ; : *-. 3 . 2h = ° 
—g2)Holian deposits. sig My, Rehan seta miley Moar nn Hey = 
av ne “.+ = o~T@wee oo Se oe o 
28) (Loess. ) Laie) Rees Rg Eh Sa Sirk fer og os BEANS Fa ! a 
Flas! ICS heuer ORS RN Me eicy oun merece Aurignacian level.) S 
ei . ils SOI | ion 
; ; “ Seria stile oa . Mousterian level. 
Gray clay with y a 
5 succinea. | 
SE ee is 
g %|Laminated clay. = 
oe a 
Sev Upper Acheulian] 
ee level a 
a) S 
— troy elav = 
e Gray clay. = 
E 3 
= g 
a is} 
2 : om 
w Lower Acheulian = 
o level. Ss 
~ wn ia 
= cae 
is Potter’s earth. ais 
So . a z 
a) a Cheilean level. 
es) oy 
—_ 2 i ao 
A Fluvial sands. 
re } 
a 
q : =) 
oI Strépyan level. 
'S) 
g Fluvial sands. 
re 
: : 
3 
iS Flinty layer. Mesvinian level. a 
= o 
a e) Srl 
ay a) s 
a ; SI =) 
a a Sand and potter’s 2 
2/9 earth. Oo 
z\6 z 
ola 
a Mafflean level. 
5 ‘ 
° Flinty layer. 
4 
Cretaceous. 
Fic. 20.—General section showing all the Quaternary deposits and the levels at which 
industrial remains are to be found when in exact stratigraphic position; based on 
discoveries made in Belgium and northern France. After Rutot, Bull. Soc. préh. de 
France, 1908. 
