
UPPER CAMBRIAN. 

Names and References; Observations, &c. 

Localities and Numbers. 


42 
ae Reference to McCoy’s 
Drawers, | Synopsis: and Figures of Genera. 
Gk p. 24. 
Gk p. 24. 
Gk p. 25. 
Gk 
Gk p. 26. 
Gk p. 26. 
Cup- Corals. 
Gk Caninia, p. 28. 



Stenopora fibrosa, Goldfuss, sp. One of the 
commonest of all corals in the Cambrian 
rocks, The broad branches present radiating 
tubes in the fractured sections. 
Stenopora var. Lycoperdon (Hall, Pal. N. Y. 
Vol. 1. pl. 23, fig. 1). A hemispherical 
variety of the above; most common in the 
Bala rocks; and easily distinguishable from 
the Nebulipora lens above quoted, by the 
tubes being all of one diameter. 
Stenopora var. ® regularis, McCoy. Lons. sp. 
Sil. Syst. t. 15, fig. 1. 
Stenopora var. ramulosa, Phillips, sp. (Mem. 
Geol. Surv, Vol. 1. Pt. 1, p. 385). 
Halysites, Fischer. Common chain coral (see 
Wenlock). 
Halysites catenulatus, Linn. Catenipora es- 
charoides (Goldf. Pet. p. 74, pl. 25, fig. 4). 
The common chain coral. 
Halysites var. labyrinthica (Goldf. Pet. pl. 25, 
fig. 5). Apparently not a distinct species, but 
a luxuriant variety of the last mentioned. 
Zoantharia rugosa, Milne Edwards and Haime. 
This is the first appearance in Britain of 
the remarkable tribe of corals, a distinct 
order, with the form of ordinary Turbinoliz, 
but the structure of parts characteristic of | 
the Alcyonide, all the septa are in fours, 
and the tube divided by transverse tabule. 
Omphyma turbinata, Linn. sp. (M. Edwards 
and Haime, Mon. Brit. Foss. Cor. p. 287, 
t. 69, fig. 1). A common coral in the Wen- 
lock rocks, and the longest usually found. 

a, 218, a. 121, Coniston. 
Dry ridge near Horton, 
St. Helen’s. Blaen-y-ewm, 
Nantyr; — Cyrn-y-Brain, 
Corwen; Alt yr anker, and 
Penllys, near Meifod; Glyn 
Diffwys, Bala; Girvan, 
Ayrshire. 
Coniston Water. 
Moel Uchlas, Llanwyddon; 
all round Bala; Glyn Cei- 
riog; Conway; Bwlch-y- 
groes; Sclattyn Road; 
Meifod. 
Blaen-y-cwm, Nantyr. 
a. 107, Acton Scott, Cader 
Dinmael. 
Bryn Kithin, Pemmachno; 
Bwlch-y-Groes. Llansant- 
fraid, Glyn Ceiriog; Tyn-y- 
Cabled, Llanfyllin. 
a. 124, Coniston; Ingle- 
ton and Thornton: Apple- 
thwaite. 
Near Chirk; and Llansant- 
fraid, Glyn Ceiriog in N. 
Wales. 
High Haume; Dalton-in- 
Furness. 
Craig Head, Ayrshire. 
