146 
BIELBECKS. 
MINERAL CONTENTS- 
Depth 
in Feet. 
ORGANIC CONTENTS. 
Yellow sand. In this and the 
gravel below it a few pebbles of 
quartz and sandstone. 
Gravel composed of chalk pebbles, 
and sharp flints. 
Gray marl indented by the gravel 
in some places to the depth of 
three feet, and containing rolled 
pebbles of quartz, mountain lime- 
stone, and sandstone of the car- 
boniferous series, with chalk and 
flint. 
3 
4 * 
Black marl, containing minute peb- 
bles of chalk, very few flints ; at 
the bottom two or three pieces of 
a fine-grained calcareous sand- 
stone, similar specimens to which 
may be found in one of the ad- 
jacent beds of the red marl se- 
ries ; no fragments derived from 
remote districts. 
No bones, shells, or vegetable remains in the 
‘ sand or gravel. 
No shells or vegetable remains in the gray 
marl. 
At 7 ft. Elephas primigenius. Numerous 
small fragments of the tusk and 
and teeth. 
8 Calcancum of ditto. 
9 Three cervical vertebrae of ditto. 
10 Astragalus of ditto; radius of horse, 
lower end ; radius of rhinoceros, 
upperend; branch of horn of deer. 
11 Bison. Metatarsal bone. 
Wolf. Radius. 
12 1 Elephant. Humerus, and the head 
of it detached. 
1 3 Horse. First Phalangal bone. 
13 1 Ditto. Second ditto. 
14 Ditto. Third, (with Helix memo- 
ralis.) 
Elephant. Four caudal vertebrae. 
Duck. Ulna, clavicle, tibiae. 
15 Bison. Occiput, horns, and 
part of the frontal and maxillary 
bones. 
Wolf. The right lower jaw, and 
condyle of the other ; right hu- 
merus, radius, and ulna articu- 
lating. 
18 Bison. Two molar teeth of 
the upper jaw. 
The black marl abounds in shells ; chiefly 
planorbis complanatus, and limnea palus- 
tris ; and in vegetable remains including 
jointed stems. 
Horse. A rib. 
Strong blue marl. Some clay 
nodules in this. 
Flint gravel in marl. 
Strong blue marl. 
Flint gravel in marl. 
22 1 
No bones, shells, or vegetable remains in 
these alternations. 
Red Marl the basis of the whole deposit. 
