GASTEROPODA OF THE LOWER GREEN MARLS. 
Summary of the foregoing table. 
] 
Families. Genera. 
| 
Genera. Species. Lower 
Species. 
4) 4 5 
1 | 2 12 
27 76 | 155 
8 9} 1 
12 13 | 16 
12 17 | 23 
Middle | B88°°f| Focene 
marls. | 2PPEF | mars. 
marls. 
Plastic clays ....--.---------- FPOOCC OPS C HCE Sees Cero 
Camden clays ...--------- ---- Seeeae Se meehS Sem =anan «ecme 
Lower marls..----.----..-------+-+----- eee earn ema 
Middle marls ........--..------0 eee eee ee eeeee ee seoceesos 
Base of upper marls ....--..--- Slices eenedena=cleesvieslacace= 
Eocene matls .......-.-- eee oores en oae oo comee eee 
. Families. 
Brachiopoda: 
Terebratulide ....... beep =p i eaacocecacac 1 
Lamellibranchiata.......-...-..----- need cos 31 
Gasteropoda .........----.--- ceante! Bo eHE SSeS 30 
Cephalopoda. .......----.---------+++- erncoacce 3 
| 2 
g9| 202 | 155 u 16 23 
ao | 190) 127 7 7 52 
13 24 19 css Rae 2 
alee eee ee 303 23 | | 79 
1 Probably fragment of a Gasteropod. 
25 
