PLATE XXXVII. 



Fig-. 1. — Scaldia Benedeniana. A testiferous example from the Carboniferous 

 Limestone of Kildare. In the Collection of the Geological Survey, Jermyn Street. 

 (Page 336.) 



Fig. 2. — Scaldia Benedeniana. The cast of a left valve. Same locality and 

 Collection. (Page 336.) 



Fig. 3. — Scaldia Benedeniana. A fully grown right valve. From the Carbo- 

 niferous Limestone of Tuogh, co. Limerick. In the Collection of the Geological 

 Survey of Ireland. (Page 336.) 



Fig. 4. — Scaldia Lambotteana . From the Carboniferous Limestone of Tournay. 

 To show the hinge-plate and single cardinal tooth in the left valve. My Collection. 

 (Page 335.) 



Fig. 5. — Scaldia frag His. A left valve. From the Upper Limestone Series of 

 Kirktonholm, East Kilbride. In the Collection of Mr. J. Neilson. (Page 335.) 



Fig. 6. — Scaldia fragilis. A pair of testiferous valves. Same locality and 

 Collection. (Page 335.) 



Fig. 7. — Scaldia fragilis. A right valve. Same locality and Collection. 

 (Page 335.) 



Fig. 8. — Edmondia accipiens. The type specimen of Nucula accipiens, figured 

 by Sowerby in Prestwich's ' Geology of Coalbrookdale.' In the Collection of 

 the Natural History Museum, South Kensington. (Page 331.) 



Fig. 9. — Edmondia accipiens. The specimen on which Etheridge founded 

 Sanguinolites granulatus. Locality doubtful. In the Collection of Mr. J. Ward, 

 F.GiS., of Longton. (Page 331.) 



Fig. 10. — Edmondia accipiens. A fairly perfect example from the Pennystone 

 Ironstone of Coalbrookdale. My Collection. (Page 331.) 



Fig. 11. — Edmondia accipiens. A specimen showing an artificial oblique ridge, 

 due to crushing. Posterior end almost perfect. Same locality. My Collection. 

 (Page 331.) 



Fig. 12. — Edm<md ia accipiens. A deep variety named TJnio parallelus by 

 Sowerby. Strias more numerous and closer. Same locality. My Collection. 

 (Page 331.) 



Fig. 13. — Edmondia accipiens. A strongly sulcated variety. Same locality 

 and Collection. (Page 331.) 



Fig. 14. — Edmondia accipiens. The type specimen of Sowerby's TJnio TJrei. 

 From the same locality. In the Collection of the Natural History Museum, 

 South Kensington. (Page 331.) 



Fig. 14 a. — Edmondia accipiens. The same specimen viewed from above, 

 showing the slits for the elongated lamellar hinge-processes, and the absence of 

 a lunule and escutcheon. (Page 331.) 



Fig. 15. — Edmondia accipiens. An uncrushed sulcated specimen, showing the 

 contour of the posterior end. Same locality. My Collection. (Page 331.) 



Fig. 16. — Edmondia accipiens. A specimen of Sowerby's TJnio parallelus. 

 Same locality. My Collection. (Page 331.) 



