92 flind: Life Zones in British Carboniferous Rocks. 
most common are two forms of Auphemus. The following 
lamellibranchs also occur :— 
Myalina verneurlliz. Schizodus antiquus. 
» flemingi. Posidoniella ? sp. 
Sedgwickia attenuata. 
Such a fauna has been met with nowhere else in the grits, 
and should be looked for in other localities. 
I found a large angular boulder, some years ago, in a small 
stream at the head of the Elkstone Brook, near the Mermaid 
Inn at Morredge, N. Staffordshire. This was a grit containing 
casts of Schzzophoria, Productus, Orthotetes, etc. Judging from 
its condition, and from the fact that there is little or no drift on 
Morredge, which is more than 1000 feet above sea level, I don’t 
think this rock was far from its parent bed, which I hope to find 
one day in the neighbourhood of the Roches. 
A most important shell bed occurs in the neighbourhood of 
Pateley Bridge and Harrogate. It is well seen at Cayton Gill, 
Clint Quarries, at several places near Pateley Bridge, and Hazel 
Hill near Sawley. The Grit series here is estimated at 1900 feet 
thick, and the shell bed is 1000 feet up in this series. 
The fauna is large and peculiar, totally different from that 
which is generally regarded as characteristic of the Millstone 
Grits. Brachiopoda and Cephalopoda are rare. 
At Clint Quarries I obtained the following species :—- 
Brachiopoda. Lamallibranchiata. 
! Aviculopecten dissimilis. 
Chonetes, cf. laguessiana. Leiopteria laminosa. 
Derbya sp. | Parallelodon {cast.], sp. (P. obtiusus). 
a ~ 2 yy, ey ie oy « = a . . 
Productus cora of late mutation. Sanguinolites sp. 
oe | 
Ac longispin us. | Cephalopoda. 
Pe scabriculus. | 
Stroboceras sulcatum. 
Orthoceras sp. 
Pisces. 
Petalodus acumenatus (tooth). 
Phizodopsts sauroides (scale). 
Spirifer bisulcata. 
Spiriferina cristata. | 
Seminula ambigua. 
Schizophoria resupinata. 
In a small quarry, one mile from Pateley Bridge, on the 
Ripon Road | obtained :— 
Derbya sp. | Amustum concentricum. 
Productus cora, a late mutation. Leiopteria squamosa. 
a longispinus. Cypricardella sp. 
Schizophoria resupinata. Parallelodon obtusus ? 
aS (Rhephidomella) micht- Edmondia sp. 
lint. Loxonema rugifera. 
Seminula ambigua. | Euphemus sp. 
Spiriferina cristata, Stroboceras sulcatum. 
Aviculopecten sp. | Fenestella. 
Naturalist, 
