18 
ARENIG AND LLANDEILO. 
ee 
5 at des Author 
BS RON ers Name. of Formation. 
a ursea|| oS Species. 
am) eS | wm 
HyprozoA—cont. 
6 1 | 2) Didymograptus geminus| His. | Arenig— - 
(20). 
la 2 ” i ” ” = 
2 2 ” ” (20) ” ” =a 
3 1 53 latus (3) - | M‘Coy - - 
= 1 3° ” (20) ” ” “3 
5 1 ” ” a ” ” 3 
6 1 ” Nn. sp. (20) a = ” oa 
Caled! x sp. (20) -|- - S - 
8 2 | Tetragraptus bryonoides Hall i - 
(20). 
8a 1 e ” ” 4 ” ” 7 
9 1 | Diplograptus sp. - - + - 
10 2 ” ” (20) i 7 ” = 
11 1 ” 2” ms ial ae 7 ” a 
12 83 | Phyllograptus augusti- Hall * - 
folius (20). 
13 1 29 ” 2? ” 7 
14 | 3 |Graptolithus sagittarius(20).| Linn. is - 
15 1 ” sp. 20 Sal a ” = 
16 1 ” ” 20 pel = ” > 
17 1 ” ” 20 | cee 4 ” i 
Wall 
Gake:! ACTINOZOA. 
Iv. 
Shelf. 
4 | 30 3 | Favosites fibrosa (20) -| Goldf. Lower 
» Llandeilo. 
ECHINODERMATA. 
31 | 1 | Glyptocrinus sp. (20) -|- - Lower 
Llandeilo ? 
32 | 1 | Encrinite stem (20) - -|- -| Arenig— - 
ANNELIDA. 
33 | 1 | Helminthites (20) - -|- -| Arenig- 
34 | 1 | Salterella Maccullochii = - Salt. Lower 
Llandeilo ? 
35 | 3 | Scolites(20) - - -|- -| Arenig = - 
36] 1 Be (20) ARR ene : * : 
37 1 | Annelide burrows” - -|- - As - 
38 1 ” ” (2) pall = ” - 
39" Pa rs tubes (1) - -|- - a - 
Flat CRUSTACEA. 
Case. 
2 | 15) 1 |} Phacops Llanvirnensis (52)| Hicks | Arenig — - 
16 | 2 5s Nicholsoni (20) - | Salt. x - 
17 | 2 | Cheirurus pectinatus -| MS. x - 
18 | 5 | Lichas patriarchus (20) - | Edgell. 3 - 
Locality. 
Skiddaw. 
1. Dynevor Park. 
2&3. Lampeter 
Felpy, Pem- 
broke. 
Mincop, Salop. 
Whitesand Bay. 
Skiddaw. 
Inchnadamph, As- 
synt. 
Skiddaw. 
” 
Carnedd Iago, near 
Arenig. 
Hodgson’s 
Skiddaw. 
Tai-hirion Quarry. 
Howe, 
St. David’s. 
Skiddaw. 
Cefn 
Shelve. 
Ffairfach, nr, Llan- 
deilo, 
Gwynlle, 
