PLATE IX. 



In;. Page. 



1. Conradella ■ girvanensis, sp. nov. Side view. x 2. Whitehouse Group, 



Shalloch Mill, Girvan. Mrs. Gray's Coll. 44. 



2. Conradella sladensis, Reed. Side view, x 1. Slade Beds, Upper 



Slade, Haverfordwest. Sedgwick Museum. 45. 



3. Conradella mvltilineata, sp. nov. Side view, x 2. WTritehouse Group, 



Shalloch Mill, Girvan. .Mrs. Gray's Coll. 4t',. 



4. Ditto. Dorsal view of another specimen, x 2. Same horizon, locality 



and collection. 46. 



■ >. Conradella aff. fimbriata, Ulrich and Scofield. Impression of exterior. 



X 2. Drummuck Group, Thraive (lien. Girvan. .Mrs. Gray's Cull. 46. 



6. Temnodiscus fletclieri, sp. nov. Side view. X \\- Wenlock Shale, 



Dudley. Mus. Pract. Geol. [27995]. 48. 



7. Temnodiscus monilifer, sp. nov. Side view, x 2. Wenlock Limestone. 



Dudley. Brit, Mus. [G. 80486]. 48. 



~ii. Ditto. Dorsal view of same specimen. x 2. 48. 



lb. Ditto. Ornamentation of same specimen. X 6. t8. 



8. Temnodiscus murchisom (d'Orbigny). Sideview. x :> >. Upper Ludlow, 



Malvern. Mus. Pract. Geol. [28090]. 49. 



8a. Ditto. Dorsal view of same specimen. X '-\. 4 ( .>. 



85. Ditto. Ornamentation of same specimen. X 1<». 49. 



1). Ditto. Side view (internal cast) of Sowerby's Bellerophon striatns. x 2. 



Upper Ludlow, Felindre. Mus. Pract. Geol. [6669]. 49. 



9a. Ditto. Dorsal view of same specimen, x 2. 4'.'. 



10. Temnodiscus salopiensis, sp. nov. Side view. x 2. Wenlock Lime- 



stone, Shropshire. Brit. Mus. [G. 17506]. 51. 



10a. Ditto. Dorsal view of same specimen. X 2. 51. 



11. Temnodiscus solitarius, sp. nov. Side view. x 3. Upper Ludlow. 



Ludford Lane, Ludlow. Sedgwick Mus. 52. 



12. Bellerophon globulus, Lindstrom. Dorsal view. Nat. size. Wenlock 



Limestone, Dudley. Sedgwick Mus. [___]. •">•'!. 



L r>t i J 



13. Ditto. Dorsal view of another specimen with shell preserved. Nat. 



size. Same horizon, locality and collection. 53. 



1 1. Better ophov ledburiensis, sp. nov. Posterior view. X H. Wenlock 



Limestone, near Ledbury. Mus. Pract. Geol. [28080]. 54. 



14a. Ditto. Side view of same specimen, x \\. 54. 



15. Bellevojdion Kpluvra, Lindstrom, var. nov. judex. Posterior view. Nat. 



size. Mulloch Hill Group, Mulloch Hill, Girvan. Mrs. Gray's Coll. 56. 

 15a. Ditto. Side view of same specimen. Nat, size. 56. 



1»>. Better ojpihon wenlockensis , Sowerby. Dorsal view. Nat. size. Wenlock 



Limestone, Woolhope. Sedgwick Mus. [. _~|- 56. 



16a. Ditto. Slit-band of same specimen. X <>. 56. 



