58 
CLAY mON-STOJ^ES, 
808. “ Spring ” or Ridings 
Rake.” 
Alfreton. 
Shelf IV. 
809. ‘‘ Dog-tooth ” Ironstone, 
Codnor Park, 
809a, “ Dog-tooth ” or “ Three- 
quarter Ironstone ” (top or ball 
measure), 35 yards deep. 
Oakerthorpe Colliery. 
Presented by Messrs. Woodhouse and 
Jetfcock. 
The Dog-tooth Rake,” Stave- 
ley 
810. White Measure. 
811. Sugar-plum Measure. 
812. Marble Measure, contain¬ 
ing many fossils. 
813. Balls. 
814. Snail horn. 
814a. Dog-tooth (bottom mea¬ 
sure), 4 inches thick, 35 yards 
deep. 
Oakerthorpe Colliery. 
Presented by Messrs. Woodhouse and 
Jeffcock. 
815. “ Dog-tooth Ironstone,” 
containing fossil shells {Anthra- 
cosia) in extraordinary numbers. 
^ Unston. 
B6. Brown Measure.” 
Clay Cross. 
817. ‘‘Nodule Rake” (cinder 
measure). 
Morley Park. 
818. “Nodule Rake” (balls). 
Morley Park. 
819. “Three-quarter Balls.” 
Clay Cross. 
Shelf y. 
The “ Black Shale Rake — 
820. Whetstone. 
Staveley. 
821. Chitter. 
Staveley. 
822. Cheeses. 
Staveley. 
823. Cheese Ironstone, wdth 
Galena, Blende, and Siderite filling 
up the cavities. 
Hady, near Chesterfield, 
824. Bear Stone Capping, an 
argillaceous shale with “ cone- 
in-cone structure.” 
Hady, 
825. Bear. 
Staveley. 
826. Top Blues. 
Staveley, 
827. Lower Blues. 
Staveley. 
828. Old Man. 
Staveley. 
829. Old Man, with Copper 
and Iron Pyrites, Blende, and 
Siderite crystallized in the cracks. 
Hady, Chesterfield. 
830. Old Woman. 
Staveley. 
831. Smooth Chitter. 
Staveley. 
832. White Balls. 
Staveley. 
Shelf VI. 
Black Shale Rake —continued :— 
833. Flampards. 
Staveley. 
834. Red Measure. 
Staveley. 
835. Dun Lining. 
Hady. 
836. Dun. 
Staveley. 
837. Over Lumj^s. 
Hady. 
838. Beams. 
Staveley. 
839. Nether Lumps. 
Hady. 
840. Roof Measure. 
Staveley. 
