Plate 02. 



Figs. 1-10. EiidiilostomcUa vafhild. new spwics (p. 4.3S). 



1. Three fragments of zoai-in, natural size. 



2. Frontal of zooecia, X 2(i. The rinmle-spiranuMi and avioiilarlnni are clearly shown. 



3. Another zoariuui, X 20. 



4. Dorsal side of a bifurcated fragment, X 20. The characteristic ridges b<.nnding the 



zooecia and the tremopores are plainly visible. 

 5,6. Frontal and dorsal sides of the old zoarium, X 20, in which the ridges bounding 



the zooecia are wanting. 

 7-9. Three views, X 20, of ti-ansverse sections. 

 10. Sketch, X 20, showing structure of zoarium. up, apertura ; i/i, peristomie; ptc, 

 peristomice: ti; tremwyst ; /(/, tubules; s, zooecium. 

 Vicksburgian (Glendon member of Marianna limestone) : West bank of Conecuh 

 River, Escambia County, Alabama. 

 Cat. No. 64295, U.S.N.M. 

 Figs. 11-17. Lciosclla rostrifera Cauu and Bassler, 1017 (p. 449). 



11 Two fragments of the free bilamellar zoarium natural size. 



12. View of a fragment, X 20, showing the olocystal frontal, the rimule-spiramen. and 



the oral avicularium. 

 13 Another example, X 20, in which several of the avicularia are broken. 



14. Portion of a zoarium, X 20, with some of the avicularia embedded in the olocyst. 



The small rounded pores are frontal avicularia. 



15. Surface of another fragment. X 20, in which the oral avicularia are still more 



embedded and the frontal avicularia are wanting. 



16. Interior of the zooecial frontal, X 20, illustrating structure. 



17. Sketch of a longitudinal section through a zooecium. an, apertura : (iv, avicularium; 



ol. olocyst ; pic, peristomice ; s, zooecium. 

 Vicksburgian (" Chimney rock " of Marianna linie-stone) : One mile north of Monroe- 

 ville, Alabama. 



Cat. No. 62597, U.S.N.M. 

 Pig 18. Lciosella qrandisora, new species (p. 449). 



The type-specimen, X 20, exhibiting the large size of the zooecia, the oral avicularia, 



and ovicell (ov). 

 Vicksburgian ("Chimney rock" of Marianna limestone): 1 mile north of Monroe- 



ville, Alabama. 



Cat. No. 64296, U.S.N.M. 

 Figs 19 20. Smittina (iranulosa, new species (p. 468). 



' 19. A fragment of a cylindrical zoarium, X 20, showing the granulose surface and the 

 median avicularium. 

 Vicksburgian : West bank of Conecuh River, Escambia County, Alabama. 



20. Portion of another zoarium with ovicelled zooecia, X 20. 



Vicksburgian (Marianna limestone) : Deep well, Escambia County, Alnb.ima. 

 Cat. No. 64297, U.S.N.M. 

 Figs 21-23. Smittina oophia, new species (p. 4651. 



21. Fragment of a young, hollow, cylindrical zoarium. X 20, exhibiting ovicelled zooecia 



and the small lyrula. 



22. Surface of an older example, X 20, without ovicells. 



23 4n old example, X 20, with the ovicells somewhat immersed. 



Vicksburgian (Glendon member of Marianna limestone) : West bank of Conecuh 

 River, Escambia County. Alabama. 

 Cat. No. 64298. U.S.N.M. 



