LIST OF ROCK SPECIMENS, 



PROM CUMBERLAND, ENGLAND, PRESENTED TO THE STATE MUSEUM 



In the "De Rham Collection " presented, in the year 1849 ; 

 to the State Cabinet of Natural History, by H. C. De Rham, 

 Esq., was a package labeled "50 Rock Specimens from Cum- 

 berland." An acknowledgment of the number of specimens 

 appears in the Third Annual Report on the State Cabinet, 

 1850, p. 35, with the statement that they were received unac- 

 companied by a catalogue, but it was hoped that one would 

 be prepared for publication in the next Report. 



The package was subsequently mislaid, and remained over- 

 looked until its indorsement had become so obliterated, that 

 a clue was, with difficulty, obtained, by which it could be 

 referred to the above collection. A list of its contents has 

 been prepared, and is herewith given. 



1. Gray Granite. 18. Greenish Jasper. 



2. Hornblende rock. 19. Amygdaloid in Jaspery 



3. Gray Granite. rock. 



4. Hornblendic Slate. 20. Feldspathic Ash. 



5. Pyritiferous Slate. 21. Gray Granite. - 



6. Chiastolite Slate. 22. Jaspery Slate. 



7. Carboniferous Limestone. 23. Greenstone. 



8. Gray Sandstone. 24. Vein Quartz. 



9. Cellular Quartz. 25. Porphyry. 



10. Greenstone Porphyry. 26. Greenstone. 



11. Jaspery Slate. 27. Feldspathic Porphyry. 



12. Diorite. 28. Porphyritic Slate. 



13. Diorite. 29. Jasper Porphyry. 



14. Ochre-yellow Jasper. 30. Syenite. 



15. Galena. 31. Carboniferous Limestone 



16. Amygdaloidal Chalcedony. with Syringopora. 



17. Chiastolite in Slate. 32. Limestone. 



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