PLATE XV. 
Figs. 1—4.—Anthracomya Wardi. Crushed forms from the lower part of the 
Little Mine Ironstone, Fenton. My Collection. (Page 105.) 
Figs. 5—9.—Anthracomya Williamsoni, var. obtusa. From the roof of the 
Hard Mine Coal of Longton and Bucknall. My Collection. (Page 103.) 
Fig. 5a.—Fig. 5 from above. 
Fig. 10.—Anthracomya Williamsoni. (Page 99.) 
Fig. 11.—Anthracomya lanceolata. Horizon uncertain. From the Glebe 
Colliery, Fenton. My Collection. (Page 104.) 
Fig. 11 a.—The same viewed from above. 
Fig. 12.—Anthracomya Wardi. Young form from the roof of the Holly Lane or 
Bowling Alley Coal ?, Bucknall, North Staffordshire. My Collection. (Page 105.) 
Fig. 18.—Anthracomya Wardi. From Burnley. In the Collection of the 
Manchester Museum, Owens College. (Page 105.) 
Fig. 14.—Anthracomya Wardi. The type specimen from the shale over the 
Holly Lane? Coal, Adderley Green, North Staffordshire Coal-field. Collection 
of Mr. John Ward, F.G.S. (Page 105.) 
Fig. 15.—Anthracomya Wardi. Shale over Burnwood Ironstone, Chell. North 
Staffordshire Coal-field. My Collection. (Page 105.) 
Fig. 16.—Anthracomya Wardi. ? From near Pendle. In the Collection of the 
Manchester Museum, Owens College. (Page 105.) 
Fig. 17.—Anthracomya Wardi. Young form. Burnley. Same Collection. 
(Page 105.) 
Fig. 18.—Anthracomya Wardi. Pyritised specimen from the Fulledge Colliery, 
Burnley. Collection of Mr. George Wild. (Page 105.) 
Fig. 19.—Anthracomya Wardi. An uncrushed specimen from the neigbour- 
hood of Burnley. Owens College Collection. (Page 105.) 
Fig. 20. Anthracomya Wardi. From the shale above the Bowling Alley Coal 
at Whitfield, North Staffordshire Coal-field. My Collection. (Page 105.) 
Fig. 21. Anthracomya senex. The original of the type of Mr. Salter’s species ; 
Iron-ores of South Wales, pl. ii, fig. 12. From the Collection of the Geological 
Survey, Jermyn Street, London. (Page 111.) 
Fig. 21a.—The same viewed from above, showing the hinge and wrinkled 
periostracum. 
Figs. 22—28.—Anthracomya senex. A series from the horizon of the Cocks- 
head Ironstone of Adderley Green, North Staffordshire. My Collection. 
(Page 111.) 
Figs. 29—49.—Anthracomya pulchra. A series showing the alteration of shape 
during growth. From the lower part of the Burnwood Ironstone, Newchapel, 
North Staffordshire Coal-field. My Collection. (Page 114.) 
