Plate 159. 



Figs. 1-7. I'iliKiiiiind bini, new species (p. 09.5). 

 1. Fragnients. natural size. 

 2, 3. Ramilied liraiifli, X 32, and X 25. 



4. Ni)niial lirandi, X 12. showing tulies gnmiicd in pairs. 



Viflvshurgian: Sex en and (ine-lialf miles sdntheast of Uladon Springs, .Vlaiiama. 



Cat. No. m4m, r.s.x.M. 



.5, 6. Braneli little sinuous, X 12 and X 2.5. Tlie tulies are grouped in pairs, but the 

 peristomes are not adjacent. 



7. Undulated liramli. X 12, .seen from its posterior or dorsal face. 

 Yickslinrgian (M.-irianna limestone) : One mile noitb of Monroeville, Alabama.. 



Cat. No. (3.5407, U.S.N.M. 

 Fics. S-11. FiliKixir.ta {/rucilis, new species (p. 09.5). 



8. Zoarial fragments, natural size. 



9. U. Rectilinear branch, X 12, and a portion, X 2.5. Tlie angle of bifurcation is ver.v acute. 

 10. Dorsal surface, X 12. 



Vicksburgian (lied Hluff cla.v ) : Seven and one-half n-iles southeast of Pdadon 

 Springs, Alabama. 



Cat. No. e.5408. I'.S.N.JI. 

 Figs. 12-18. /•'iVw/xn-.s-f; ti/itiro JIanzoni, 1877 (,p. 090). 

 12. Fragments, natural .size. 



1.3. Branch, X 12, with tubes arranged in quincunx. 

 14, 15. Branch. X 12 and X 25, in which the tubes are arranged in transverse rows. The 

 peristomes are adjacent by rupture of the peristornie. 

 16. Posterior side of bj;ancli, X 12. 

 17, 18. Branch. X 12 and X 25, showing tubes arranged in transverse rows; the iieristomes 

 are not adjacent on account of the development of tlie peristornie. The zone of 

 growth (triangular) is visible. 

 Vicksburgian (Marianna li)nestone) : Salt .Mountain. 5 miles south of .lacks(ai. and 

 west bank Conecuh River, E.scanibia County, Alabania. 

 Cat. Nos. 6.5485, 65409. U.S.N.M. 

 Fics. 19-28. l-'ilisii(irsii .simulat'ir. new species (p. 097^. 



19. Fragment of the compressed rectilinear branches, natural size. 

 20, 21. Branch, X 25 and X 12, with tubes arranged in verticells. 



22. Another branch. X 12. The tubes are arranged in oblique row.s. 



23. Posterior or dorsal face, X 25. This is concave below and convex above. 



24. Brancbhig fragment, X 12, with tubes arranged in (luincunx. 



25. Porti<iii of a branch, X 25, with transverse rows of tubes. 

 26, 27. Normal transverse .sections. X 25. 



28. Tangential thin section. X 100. The tremopores are very small. 

 Vicksburgian: One mile north of Monroeville, Alabania. 

 Cat. No. (J.5410, I'.S.N.M. 

 160 



