Plate 40. 



Fig. 1. Intend iKiiKirclhi iii-tini(iii}iirhi. now siiccics (p. 203 i. 



Fnigiuent of the bilamelhir zoariiuii. X 20. Uiic // zoin,'i.-iuui, with iis immiiiR'Ht 



polypide tube, is present. 

 Lower JiX-ksoniau (Moodys marl) : Jacksou, Mississippi. 

 Cat. No. C400G, U.S.N.JI. 

 Fn;s. 2-0. t<1fininoi)(>rcU(i iucniMaiiii, new species (p. 2(i:!i. 



2. Tlie Incrusting zoarinm, X 20, exhibiting tlie small <i Zdnecia and llic xit.v large /{ 



zooeeia, with prominent polypidiau tube. 

 I'pi>er Jaeksonian (Ocala limestone): V\'cst bank Sepnig.-i Kiver, K><canilila Connly, 

 Alabama. 



Cat. Xo. 04007, U.S.N.M. 



3. Small portion of a broad expansion X 20. willi Uie surface slightly allercil by 



chemical action. 

 Upper Jaeksonian (Ocahi liinesldnel : T'lair miles helnw I'..-iiriliriilge, (jeorgia. 

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



4. Portion of zoarium, X 20, with frontal removed. The inlern.il structure of two /( 



zooeeia is shown. 



5. View, X 20, showing oblique partition in n zooeeia. 



G. Another view. X 20. with a portion (if llie frontal rciiKivcd. showing the partitiiui in 

 the a zooeeia. 

 Upiier Jaeksonian (Ocala limestone) : Chipola River, east of Marianna, Fluriila. 

 Cat. No. 04009, T'.S.X.M. 

 Pigs. 7-10. ('(Ilnrin .iliiiiiHclhi, wrw species (|i. 27;>). 



7, 8. Two segments, X 20 showing general structure of zooeeia and ovicells. 



9. Fragment, X 20, illustrating occurrence of lamella in the aooeeial aperture. 



10. Two segments, natural size. 



Middle Jaeksonian (Castle Hayne limestone) : Wilmington, North Carolina. 

 Cat. No. 64010, U.S.N.M. 

 Fio.s. 11-13. Cellaiia (limorpha, new species (p. 273). 



11. Four segments, natural size. 



12. An entire segment, X 20, exhibiting the characteristic large and small zooeeia, 



with the lamella in their aiiertnre and the ovicell openings resembling avicularia. 



13. Longitudinal section through center of a segment, X 20. The large (Ix) and small 



zooeeia (.s~) and the endotoichal ovicell (or) are to be noted. 

 Middle Jaeksonian (Castle Ilayne limeshme) : Wilmington. North Carolina. 

 Cat. No. 04011, I'.S.N.M. 

 FuiS. 14-17. CvUuiUi hifapiata, new species (p. 274). 



14. Segments, natural size. 



15. Posterior face of a segment, X 20, exhibiting the small zooeeia. 



16. Same view of another segment, X 20. A single ovicell may be noted. 



17. Anterior face of a specimen, X 20, showing the large hexagonal zooeeia and falciferni 



avicnlari;\. 

 Middle Jaeksonian (('astle Ilayne limestone) : Wilmington, North Canjlina. 

 Cat. No. 04012, U.S.N.M. 

 Fms. 1.S-2U. QiKiilncclUiriii luciiiiona, /lew species (p. 270). 



18. The largest fragment observed, X 20. The slialhiw ci-yptocyst and fhe inferior 



triangular gymnocyst are shown. 

 19, 20. Two small fragments, X 20, illustrating slight variations. 



Middle Jaeksonian (Castle Hayne limestone) : Wilmington, North Carolina. 

 Cat. No. G4013. U.S.N.M. 

 Fig. 21. QiKiilrieellnrid hKni.'ii, new speci-.>s (ji. 279). 



The type-specimen of this articulated species, X 20. 

 Middle Jaeksonian (Castle Hayne limestone) : Wilmington, North Carolina. 

 Cat. No. G4014, U.S.N.M. 

 55899— 20— Bull. 106 6 41 



