CAMBRIAN AND SILURIAN FOSSILS 
INDEX. 
ARRANGED STRATIGRAPHICALLY. 
‘ 
. 
— Page. Case. 
Various LARGE SPECIMENS OF CAM- | 
BRIAN, LINGULA FLacs, AND LLAn- | 
DEILO Rocks - - - - 7 *W. IV., Shelf 1. 
Cambrian. 
Ripple Marks, &c. - 8 W. IV., Shelf 2: 
Hydrozoa - - 8 = ORGS 
Annelida - - 8 retry 
Crustacea - - 9 F. 1 
LOWER SILURIAN: | 
Lower Lingula Flags. 
Spongida = - - 9 W. IV., Shelf 3. 
Annelida - - - 9 % seth 
Crustacea = - - 9 FE. 13 Den. 
Brachiopoda - - - 11 soenas 
Pteropoda - . - 11 D. 1 
Upper Lingula Flags. 
Hydrozoa - - - 12 W. IV., Shelf 3 
Annelida - - - 12 x via 
Crustacea - - - 12 1D: Vs 
Brachiopoda_ - - - 13 <5 As 
Lower Tremadoc. 
Echinodermata = 13 W. IV., Shelf 3 
Crustacea - - - 14 Bis D. 2. 
Brachiopoda_ - - - 14 " 3 
Lamellibranchiata - - 14 43 
Pteropoda - - - 15 D. 2. 
Upper Tremadoc. 
Annelida - - - 15 W. IV., Shelf 3 
Crustacea - - ~ 15 Faas ya 
Brachiopoda_ - = - 16 F. 2. 
Pteropoda - - - 16 a 
Heteropoda~ - = - 16 
Cephalopoda - - 16 W. IV., Shelf 3. 
Lower Llandeilo and Arenig. 
Plante - - . 17 W. IV., Shelf 4. 
Spongida - - = 17 3 55 
Hydrozoa - - - 17 os <9 D. 6 
Actinozoa - - - 18 aa $3 
Echinodermata - - 18 a e 
Annelida - - - 18 5 et 
Crustacea - ~ 18 EF. 2s Dis: 
Polyzoa - - - 20 W. IV., Shelf 4. 
Brachiopoda_ - - - 20 F.2 
Lamellibranchiata - - 21 Ak 
Gasteropoda_ - . - 21 D. 3 
Pteropoda - - - a1 x 
Heteropoda~ - - - 22 a 
Cephalopoda - - - 22 W. IV., Shelf 5. 
* W.=Wall Case. F.=Flat Case. D.=Drawer. 
41639 a. 
