LOWER CARBONIFEROUS FOSSILS 



41. 



10 Mg^ 13 



Plate V. American Lower Carboniferous Fossils 



1. Lithostrotion canadense, 3/4. 2. Pentremites pyriformis. 3. Productus bur- 

 lingtonensis, 1/2. 4. Chonetes Fischeri. 5. Spirifera plena, 1/2. 6. Onychocrinus 

 exsculptus, 1/2. 7. Melonites multipora, 1/2. 8. Archimedes Wortheni, 1/2. 

 9. Platyceras infundibulum, 3/4. 10. Bellerophon sublaevis. 11. Goniatites ixion, 

 1/3. 12. Conularia missouriensis, 1/2. 13. Phillipsia bufo, 3/4. (Figs. 1-6, 8, 10, 

 11 after Hall. Fig. 7 after Roemer. Fig. 12 after White. Figs. 9, 13 after Meek 

 and W r orthen.) 



