COiVrENTS. 



IV. Description of the Specimens 



§ 1. Specimens Nos. 17, 18, 19, and 20 



No. 17. Lepidodendron Harcourtii 

 No. 18. — — 



No. 19. — vasculare 



No. 20. — — 



2. Specimens Nos. 21 and 22 



No. 21. Lepidostrobus Russellianus 

 No. 22. — — 



3. No. 23. 



4. No. 24. 



5. No. 25. 



6. No. 26. 



7. No. 27. 



8. No. 28. 



9. No. 29. 



(?) dubius 



tenuis 



levidensis 



Hibbertianus 

 (?) ambiguus 



fVucnschianns 



latus 



10. No. 30. Bowmanites Cambrensis 

 V. Concluding Remarks . 



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