68 



THE OLDEST ROCKS OF ENGLAND. 



Diagram XVII. Fossils from the Cambrian strata of Malvern. 



1. Agnostus Maccoyi. Salter. Magnified twice. 



2. Agnostus princeps. Salter. Natural size. 

 - 3. Sphaerophthalmus pecten. Salter. 



4. Olenus pauper, n. sp. Phillips. Magnified twice. 



5. Conocephalus Malvernius. n. sp. Phillips. Magnified twice. The posterior 



extremity indistinct. (See C. innotatus. Barrande.) 



6. Olenus scarabseoides. Wallenberg. Magnified twice. 



7. Olenus bisulcatus. Phillips. Magnified twice. 



8. Olenus humilis. Phillips. Magnified thrice. The posterior extremity in- 



distinct. 



1 9. Serpula fistula. Soil. 

 10. Dictyonema socialis. Salter. Natural size. 

 n. Obolella Salteri. Holl. 

 ti2. Obolella Phillipsii. Holl. 



13. Lingula pygmsea. Salter. 



14. Spondylobolus. 



The species marked f are from the Hollybush sandstone, the 

 oldest fossiliferous rock of Malvern ; the others from the lower part 

 of the black shale, except Dictyonema socialis, which is from the 

 upper part of the same. The specimens are in the Oxford Museum. 



Several other trilobites are indicated by fragments, and two 

 species of graptolitidae are faintly recognized in the upper part 

 of the black shale. 



