rr.AFi: 44. 



FlCiS. 1-4. ]S('ixx<Iiiiil iiHiiliiatii, ]\f\y species ([i. ill',"). 



1. Frnuuient.s of llu> uarmw liifdlinlc zoiiiMuiii, natiiml si/.c. 



2. Surfiico of 11 liifurcniod frn.iiiiuMil, X 20, sliowin;: the iiKlisiinci zooeeui, iiscopore, 



froutal poros ami avicularia. 

 .3. Anotber zoariiini. X 20, possibl.v reprcseiiliiif: aiKitliiM- spoeies. 

 Upper JacUsouiau (Oeala limestone) : Al,icl]u:i, I'lmiila. 

 Cat. No. 64039, U.S.X.^r. 



4. A zoarium, X 20, on wiiirli the .■iviciihiria .ire iimre nii nms ihnii iis\ial. 



Upper Jacl^sonian (Oe.il.-i liiiiesleiie i : (iiie mikI niieliiiir inili's nlmve liniiiliriilge, 

 Georgia. 



Cat. Xo. G40-10. U.S.X.M. 

 Fig. o. IliiiiKitliiKi, species indeterinined (ji. :iL!7i. 



Siiociuien, X 20, preserving lint a .single entire zooecinin. 



Upper Jacksonian (Ocala limestone) : Chipola River, east of Marianna. Florida. 

 Cat. No. G4041, U.S.N.M. 

 Fics. G, 7. Trmmstcfja uiuluhita. new species (p. .320). 



G. The inernsting zoarinm, X 2.5, Illustrating the \nidul,itii)ns of the fnmtal .nul the 



intraoral gibbo.sity. 

 7. Fortion of anotber zoarium, X 2."i, .showing ovicelled zooeela. 



Jliddle Jacksonian: Eighteen miles west of Wrigiitsville. Ceorgi.i. 

 Cat. No. C4042, TT.S.N.M. 

 Figs. 8-tO. TiiiitontriKi iiinniiitii (lahb and Ilurn, 1SG2 (p. 32!i). 



5. The iucrusting zoarium. X 2."), showing the nearly Hat, smooth zooecial frontal. 

 Vicksburgian (JIarianna limestone) : JInrder Creek, east of Castlebury, Alabama. 



Cat. No. G4043, U.S.N.M. 

 9. An example, X 25, with abraded surf.-ice, showing the dietellae. 



Vicksl)ui-gian (Marianna limestone): Salt Munnlnin, ."i miles south of Jackson. 

 Alabama. 



Cat. No. G-1044, U.S.X.AI. 



10. Anotber zoarium, X25, with sever.-il ovicelled zooecia. 



Vick.sbnrgian (JIarianna limestone) : Deep well, Kscambia County, Alabama. 

 Cat. No. 64045. U.S.N.M. 

 Figs, n, 12. SeliizopodrelUi marginutn. new species (p. 342). 



11. The bifoliate type-specimen, X 20. 



12. Portion of a specimen, X 20, with ovicelled zooecia in the <-euter. 



Middle Jacksonian (Castle Hayne limestone) : Wilminglon. North Carolina. 

 Cat. No. G404G, U.S.N.JI. 

 Figs. 1.3-lG. Ijtcrrua jiicl-sniiensi^. new siiecies (p. .3411). 



13. The incrusting zoarium, X 20. The areolae and narrow, long rimule are well shown. 



14. Surface with ovicelled zooecia, X 20. The ovicell is festooned with areolae. 



15. A small incrustation of this species, X 20. The rimule is separated from the 



apertura. 



16. Interior of froutal. X 20, showing the oloeyst and the rinuile of the aperture. 

 Lower Jackscniian (Moodys marl) : Jackson, Jlississiiipi. 



Cat. No. G4047. I'.S.N.M. 

 Figs. 17-20. Liiccrna licxniionalis. new species (|i. .3471. 



17. Surface of the incrusting zoarinm. X 20, showing the smooth olocystal frontal. 

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



Escambia County, Alabama. 

 Cat. Xo. G404S, U.S.N.JI. 

 IS. Anotber zoarium, X 20. with areolae well develojied. l)Ut the pleurocyst incomiilete. 



19. Several zooecia, X 20, one showing dietellae. 



'S'icksbnrgian (Marianna limestone) : Salt Jlounlain, 5 miles seiuh nf Jaeksim. 

 Alabama. 



Cat. No. G4049, U.S.N.M. 



20. Well developed zoarium. X 20, in which the granular pleuroe.vst covers the oloeyst. 



An ovicelled zooecinm in the npjier left4iaud corner of the figure shows an avicii- 

 larium replacing a normal polypide in total regeneration. 

 Vicksburgian (Marianna limestone) ; Murder Creek, east of Castlebury, Alabama. 

 Cat. No. G40.-;0, U.S.N.M. 



45 



