1S70.] "i^ ' [Hayden. 



Pecos Churdi, New Mexico. 

 11. Fragments crinoid cohimus. 

 13. " Spiriferina. 



13. Bpirifer earner atus, Morton (fragments). 



14. Productus. Fragments, like P. semiretuculatus. 



Near Pecos B. N. M., Aug. 6, 1869. 



15. Fenestella and Polypora. Fragments. 



16. Atliyris suhtilita, Hall? 



17. Av^G^^,lopecten (undt). 



18. Aviculopecten occidentalis. Slmmard. 



19. Amculopecten carhonarius, Stevens ? 



20. Myalina Sioallom, McChesney. 



21. Myalina suiquadrata, Sliumard. 



22. Myalina perattemuita, M. & H. 



23. Pleuropliorus? (nndetermined). 



Ten miles South of KosylowisJci, Neio Mexico. 



24. Fenestella (undt). 



25. Atliyris suhtilita, Hall. 



26. Bpiriferina Kentuckensis, Shtimard. 



27. Myalina Sioalloioi, McCliesney. 



28. Myalina (nndetermined). 



29. Avictila (fragments). 



30. Pleuropliorus angulatus, M. & W. 



31. Pleurotomaria ? (large cast). 



Mora Creek, New Mexico. 



32. Crinoid columns. 



33. Productus nodosus, Newbei'ry. 



34. Atliyris suMilita, Hall, sp. 



35. Bpiriferina Kentuckensis, Shumard. 



36. Bpirifer Bocky-montana, Marcou, 



37. Bpirifer comeratus, Morton. 



Mora Biver, {1st ser. Garb.) 

 33. Polyjjora, Fenestella, §'c. 



39. Bynocladia{Beptopora) Cestriensis, Prout, sp.(=/S'. hiserialis. Swallow.) 



40. Productus semireticulatus. Mart, (may be, in part, var. of P. costatus), 



41. Productus nodosus, Newb. 

 43. Atliyris suhtilita, Hall (sp). 



43. Bpiriferina Kentuckensis, Shumard. 



44. Bpirifer cameraius, Morton. 



45. Orthoceras (fragment). 



Hot Bprings, Balinas Creek, (Sept. 3d). 



46. Campopliyllum? 



47. Crinoid columns. 



48. ClicBtetes, undetermined; botb massive and ramose. 



49. Productus longispinus, Sow. (var. Wahashensis, N. & P. ) 



50. Productus nodosus, Newb. 



