CONTEIBUTIONS TO PALAEONTOLOGY. 



105 



Geological and Geographical Distribution of the Devonian Plants of Eastern America, 



Names of Species. 



Upper Low'r 

 Silu iDevo- 

 rian.l nian. 



Middle 

 Devonian. 



Upper 

 Devonian. 



.5 



S 



> 



2 

 H 

 v 

 Oh 



i 



o 



■f 



hi 

 ed 

 O 





6 



a, 

 m 



a 

 O 



6 



to 



ca 

 O 



Oi 



03 

 C5 



o 



CQ 



CS 



O 



o 



6 



c 



"cs 



u 













* 

















2. Dadoxylon ouaiigondianum 



3. halli 















* 















* 



» 



























♦ 











5. Prototaxites logauif 







* 















6. S»i<^illaria palpebra 















* 









7. vauuxemii 













* 











8. — ^— siraplicitas 









* 

 * 















9. Syriugodeiidroii gracile .... 























10. Stigmaria exigua 











* 













11. ficoides 















* 





* 





12, Didymophyllurn reiiiforrne . . 









* 











13. Calamites trausitioiiis 















* 

 # 





* 

 * 





14. caiiuseformis 



















15. iiioriiatus 









« 



* 









16. Asterophyllites acicularis . . 













* 



* 

 * 

 * 

 * 



* 



* 



* 









17. laiifolia 























18. scutigrera 























19. loiigUolia 



















* 





20. parvula 



















21. Aiiuularia acuminata 























22. Spheiiophyllura antiquum... 



















23. Pinuularia dispalans 























24. Lepidodeudrou gaspianum. . 







* 



* 



* 



♦ 

 ■# 

 * 



'* 









25. chemungeuse 







* 



* 





26. corrugalum 



















27. Sageuaria veltheimianaj. . . 











# 







* 





28. Lepidostrobus richardsoni . . 













# 



# 







29. globosus 























30. Lycopodites matthewi 















* 









31. vanuxemii 













* 











.32. l*silophyton princeps 



33. elegans 



* 



* 



# 



* 



* 



* 











* 









31. glabrum 























35. Selaginiles ibrmosus 







* 





# 













36. Leptophloeum rhombicum. . . 









* 











37. Cordaites robbii 















* 

 * 





*? 





38. augustitblia 



* 



# 



* 



* 

 * 









39. Cordaites ? 















40. Megaphvton ? 











* 











41. Cyciopteris halliana 













* 





:::: :::. 







42. jacksoni 













# 



* 

 * 

 * 



. ... 







43. obi usa 





















44. valida 





















45. varia 













.... 







46. browuii 























47. incerta 









* 













48. Neuropteris serrulata 















* 

 * 

 * 

 * 



* 









49. polymorpha 























50. Sphenopteris hoeninghausi . . 



















♦ 





51. marginata 



















52. harttii 























53. hitchcockiana 

























54. Hymenophyllites curtilobus. 















* 

 * 

 * 



* 



* 









55. obtusilobus 























56. geisdorffii 



















* 

 * 





57. Alethopteris decurrens 



















58. ingeus 



















59. obscura ? 



















♦? 





60. Trichomanites 



















61. Rhachiopteris pinnata 









* 















62. cyclopteroides 











# 













63. punctata 

























64. striata 









* 

 * 











*? 





65. tenuistriata 

















66. Cardiocarpum cornutum 















* 

 * 









67. obliquum 























68. Trigonocarpum racemosum. 























69. Acamhophyion spiuosum . . . 









* 

















t This species was not noticed in the descriptions, as no new facts relating to it had been obtained. 

 i I have marked this species as occurring in Peniisylvauia, beiiig of opinion that it is the same with 

 Lepidodendron primcevum of Rogeks. 



[Senate, No. 115.] 



U 



