ARENIG AND LLANDEILO. 
= 
we lus | Author 
S ROMS Name. of Formation. 
Sala e|| 2 Species. 
a | mM 
CrustacEA—cont. 
3 3| 7 | Hglina binodosa (20) -| Salt. | Arenig = - 
4 1 »  Caliginosa (20) - of S - 
5 4 ” Le mn ” ” ‘ 
6 2 ” grandis (9) r, = ” ” i 
Nee wl By SP a9) - -|- - 5 - 
8 | 1 | Illenus perovalis  § - - | Murch, . - 
9 2 ” ” = = _2 ” > 
10 | 2 | Ogygia peltata - - -| Salt. 5) - 
Tae As} »  selwynii (20) - is Be - 
12 2 ” ” oy a ” ” = 
13 2 ” ” 7; ~ ” ” S. 
14} 2 | Trinucleus Gibbsii (20) - 5 5 - 
15 5 ” ” J a ” ” ~ 
Gm veal > Murchisoni(20) = a - 
17 4 ” ” (20) \ ” ” = 
Wall 
Case. 
Iv. POLYZOA. 
Shelf. 
4 | 40 | 3 | Phyllopora (20) - -|- -| _ Lower 
Llandeilo. 
41 | 5 | Ptilodictya dichotoma (20) | Portl. 9, - 
42 | 1 | Branching polyzoon (3) -| - -| Arenig = - 
43 1 ” ” 5) aod ik 5 ” 5a 
44 1 ” ” 3) ay | ae ri ” = 
Flat BRACHIOPODA. 
Case. 
2 | 56) 1 | Retzia sp. (20) - - - | - -| Lower? 
Llandeilo. 
57 | 1 | Lepteena sericea (20) -| Sby. 5 - 
58 | 7 | Orthis calligramma - -| Dalm. | Arenig = - 
RW 2 | »  Carausii - -| Salt. 45 - 
60 1| 4  Menapiz - - | Hicks - - 
61 3 ” ” ra a ” ” 5 
62] 4)  ,,_ striatula (20) - | Emer. Lower ? 
| Llandeilo. 
63 | 3 | ” ” (4) hs at ” ” = 
64 1 ” ” tea ¥ = ” ” = 
65 1 | ” ” 20) = cf ” ”. = 
664 "aes, | “sp.(20))— - -|- - | Arenig - 
67 | 1 | Strophomena membranacea Salt. MS.| Lower? 
(20). Llandeilo. 
6871 » n. sp. (20) -|- = E 
69 | 4 | Discina sp. - - -|- -| Arenig = - 
70 =| ” ” 57) = = 1s ah ” = 
71 | 1 | Lingula granulata (20) -| Phil. Lower ? 
Llandeilo. 
72 | 3  Obolella plumbea_= - -| Salt. | Arenig = - 
| Durness, 
Locality. 
Cefn 
Shelve. 
Ty-obry, 
doc. 
Gwynlle, 
Portma- 
Whitesand _—_ Bay, 
St. David’s. 
Skiddaw. 
Bogmine, Shelve. 
” ” 
St. David’s Head. 
White Grit Mine, 
Shelve. 
Lord’s Hill, Shelve. 
Lord’s Hill and 
White Grit Mine. 
Whitesand Bay. 
St. David’s Head. 
Cefn Gwynlle. 
> ” 
f1. Shelve. 
(2. Ffairfach. 
Llandeilo. 
Barf, Keswick. 
Ellengill. 
Llandeilo. 
” 
Caeglyd, Manod- 
bach. 
Moelawgrym, 
Tai-hirion, 
St. David’s. 
Ramsey Island. 
Mincop, Sheive. 
Suther- 
land, 
Near Llandeilo. 
Mincop, Shelve. 
Whitesand Bay. 
Llandeilo. 
Mincop, Shelve. 
Ritton Castle. 
Skiddaw. 
Near Llandeilo. 
Hell Pool, 
Wye- 
ford, Builth. 
