56 
CLAY IRON-STONES, 
732 c. Argillaceous Iron¬ 
stone, 3 feet 6 inclies thick, 114 
yards deep. 
Victoria Colliery. 
732 d. Black Ironstone, 4 
feet thick, 170 yards deep. 
Victoria Colliery. 
Nos. 732 a to d presented by Messrs. 
AYoodhoiise and .Jetfcock. 
Xforth Stafrordshire. 
Shelf V. 
The ironstones of this and the following 
series taken from different portions of 
the “ Potteries ” coal-field are especially 
rich and abundant. They present also 
a subject of particular interest to the 
geologist in the numerous remains of 
fishes as well as of mollusca preserved 
in the shales which accompany them. 
The strata containing them are nearly 
1,200 feet in thickness.* 
A series from Foley Colliery, 
Longton :—■ 
733. “ Bassey Mine.” 
734. Deep Mine.” 
73o. “ Chalky Mine.” 
736. “ New Mine.” 
737. “ Planbury Mine.” 
738. “ Knowles’ Mine.” 
739. “ Little Mine.” 
Shelf VI. 
A series from Shelton Colliery, 
Hanley :— 
740. “ Red Shag Ironstone.” 
741. ‘‘Gutter Mine.” 
742. “ Bassey Mine.” 
743. ‘‘ Penny Stone.” 
744. “ Deep Mine.” 
745. Chalky Mine.” 
746. Guhbin Stone.” 
747. Billy Ironstone,” repos¬ 
ing immediately on a coal seam. 
and containing sharp angular frag¬ 
ments of coal, pieces of plants, and 
unios, with crystals of blende in 
the cracks. 
A series from Apedale, near 
Newcastle’Under-Lyne :— 
748. ‘’Blackband” Ironstone. 
749. “ Red Shag.” 
750. “ Red Mine.” 
751. “ Bassey Mine.” 
Shelf VII. 
Apedale —continued :— 
752. “ Cannel Mine.” 
753. “ Chalky Mine.” 
754. Brown Mine.” 
755. Gubbin Stone.” 
756. •• Deep Mine.” 
Y'orkshire.— Northern District. 
757 & 758. Argillaceous Iron¬ 
stone. 
From the Lias formation of Whitby 
Yorkshire. 
Shelf VIII. 
The ”White-bed Mine,” Brier- 
ley 
759. Top Flats. 
I 760. Loav Flats. 
761. White Balls. 
762. Middle Balls. 
763. Loav measure. 
The ‘’Black-bed Mine,” Low 
Moor :— 
764. Top Balls. 
765. Flat Stone. 
766. Middle Balls. 
767. Rough Measure. 
768. Loav measure. 
769. Basset Stone. 
* See Mr. Salter’s palseontological notes. Iron Ores of Great Britain, p. 292. 
