UPPER TREMADOC. 
15 
ra) =| 
« + 5 Author 
CO 121s Name. of Formation, Locality. 
OST hreaeei| ere Species. 
<a i 
| ‘ 
hela LAMELLIBRANCHIATA—cont. 
gp ee has 1 | Modiolopsis Solvensis (52) | Hicks Lower Ramsey Island. 
Tremadoc. 
73 1 | Davidia ornata (52) - - 7 Me - | St. David’s. 
| 74 | 1 | Glyptarca Lobleyi (52) = - - ss - | Ramsey Island. 
| 15)| + primeeva (52) - ss s - = 
| 76 1 ” ” (52 a ” ” = ” 
77 1 CtenodontaMenapiensis (52) ss oa - 3 
PTEROPODA. 
Drawer. 
12 | 3{|Thecaarata- - - -| Salt. Lower Penmorfa. 
Tremadoc. | 
Piseiect oe Oa tie M ik - Borth Wood, Port- 
mac<loc. 
14 5 ” bijugosa a ry . ” ” “7 ” ” 
LAS peantsanl 5 - - Aa BS -| Portmadoc. 
| 16) 1 »  operculata (20) - Es Pe - | Tremadoe. 
léa 6 op op - + Ff - | Borth Wood, Port- 
madoc. 
16b) 3 ” ” i ¥ ” ” = ” ” 
| 
LOWER SILURIA N—cont. 
UPPER TREMADOC. 
9 rs 
a Kr 2 Author 
= | a@ach ses Name. of Formation. Locality. 
st lceerol gto. Species. 
SF ala 
Iv. ANNELIDA. 
Shelf. 
3 | 31 | 1 | Wormtubes’ - - -|- -| | Upper Railway, back of 
| Tremadoc. | Penmorfa  Vil- 
lage. 
| 
Flat CRUSTACEA. 
Case. 
2 1 6 | Angelina Sedgwickii -| Salt. Upper | Ty-hwnt-y-bwlch, 
| Tremadoc. | Portmadoc. 
|. + “S - ~ oa - | Near Portmadoc. 
3 3 |\Ogygia scutatrix - - Bp i - | Penclogwyn, Port- 
madoc. 
| 4) 1 | Lingulocaris lingule- | M‘Coy 5 - | Garth, Portmadoc. 
comes (20). 
5 6 ” ” (53) ” ” = | ” ” 
Drawer. | | 
BR 17 | S| Cheirarussps,- -. . =)- . = - Penclogwyn, Port 
madoc. 
Sula 2 x) (GK) = -|- - - - | Tremadoc. 
