﻿ulrich-bassler] revision of paleozoic bryozoa 55 



2. Ordinary aspecl of tangential sections, X 20. The lower part of the 



figure shows the zocecia of a macula, and the upper those of the 

 ordinary kind. 



3. Vertical section, X i_», passing through an immature and mature 



region. 



4. Vertical sections, X u. passing through a macula and showing the 



funnel-shaped diaphragms which are more abundant than in the 

 intermacular /< icecia. 

 Leipers division of the Lorraine, Columbia, Tennessee. 

 Amplexopora cylindracea new species. (See also plate xiv, 4, 5). .p. 43 

 5,6. Tangential and vertical sections, X 20. 



Catheys division of the Trenton, Nashville, Tennessee. 



Amplexopora am flu new species. I See also plate xiv, 3) p. 42 



7.8. Tangential and vertical sections, X 20. 



Leipers division of the Lorraine formation, Columbia, Tennessee. 



Anaphragma mirabile new genus and species p. 49 



9. Tangential section, X 20. 



10. Vertical section of peripheral portion. X 20. 



11. Vertical section of central part of axial region, X 20. 



Richmond formation, Wilmington, Illinois. 



Plate XIV 



Stigmatella crenulata new genus and species. (See also plate ix, 1-4) p. ,34 

 Figs. 1,2. Natural size views of two fragments. 



Richmond formation, Hanover, Ohio. 

 Amplexopora ampla new species. (See also plate xiii, 7, 8). .. .p. 42 

 3. Fragment of a zoarium, natural size. 



Lorraine formation, Nashville, Tennessee. 

 Amplexopora cylindracea new species. (See also plate xnr, 5, 6). .p. 43 

 4, 5. Two specimens, natural size, showing the straight cylindrical form 

 of the zoarial branches. 



Trenton formation, Nashville, Tennessee. 



Stigmatella irregularis (Ulrich). (See also plate x, 5, 6) p. 34 



6,7,8. Three zoaria, natural size, showing the variation of specimens from 

 irregularly lobate nodose to smooth subglobose masses. 

 Lorraine formation, Hamilton, Ohio. 



Stigmatella nicklesi new species. (See also plate x, 1-3) p. 30 



9, 10. Two nearly complete zoaria of the natural size. 

 Lorraine formation, Cincinnati, Ohio. 



Stigmatella nana new species. (See also plate x, 7-10) p. 3') 



11, 12. Fragments of natural size. 



L'tica shales, Covington, Kentucky. 



Calloporina parva new species p. 48 



13. Vertical section, X 20. 



14. Tangential section, X 40, showing wall structure. 



15. Tangential section, X 20. 



16. Vertical section of immature region, X 20. 



Black River formation, 2 miles south of Belfast. Tennessee. 



Calloporina crenulata (Ulrich), new species p. 47 



17,18,19. Tangential section, X 20, and vertical section of both regions. 

 X 20, showing the internal characters upon which the new genus 

 is founded. (After Ulrich.) 



Black River formation, St. Paul, Minnesota. 



