Plate 25. 

 Figs. 1, 2. EUisimi hi.ni ("muu .-iiid P.assler. 1917 (p. 12S). 



1. The inenistiiig zoariiini, natural size, growing upon a shell, 



2. Surface uf the same, X 20. exhibiting the large zooeeia, tliin mural rim and triangular 



avicularium. The openings of the dietellae are shown on some of the zooeeia. 

 Middle Jaeksonian (Ca.st!e Hayne limestone) : ^YiInlin^ton. North Carolina, 

 Cat. No. 62580, U.S.N.M. 

 Fig. 3. EUisinti iinifiniild AIaf(;illivray, 1,S!).-, (p. 12!i|. 



Surfaoe of the inerusting zoarium, X 20, i-eferred to this species. 

 Middle .Jaeksonian: near Lennds Ferry, South Carolina. 

 Cat. No. 63S95, U.S.N.M. 

 Figs. 4-6. Ellixiiia hrcris. new species (p. 128). 



4. The inerusting zoarium. X 20, with one zooeeium exhibiting an ovicell. 



5. Another example, X 20, showing the usual characters of the species. 

 Middle .Tacksonlan : near Lenuds Ferry, South Carolina. 



Cat. No. 6.3S06. U.S.N.M. 



6. A speeimen, X 20, with some of the zooeeia jireserviug .septulae. 

 Middle .Taeksonian: Eutaw Springs. South Carolina. 



Cat. No. 63S97, U.S.N.M. 

 Figs. 7,8. Grain in clhi tiaimrersd Cann and P.;is.sler. 1:117 (p. 132). 



7. Portion of tlie inerusting zoarium, X 20. with the specific characters, the large 



tr.-msverse avieulariuni and the opesium bounded by the termen itself of the mural 

 rim, developed. 



8. Anotlier example, X 20, in which several of the nvieularia are triangular in outline. 

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



Cat. No. 62579, U.S.N.M. 

 Figs. 9-13. GraiumclJa piixilhi. new species (ji. 132). 



9. Two of the inerusting zoaria. natural size. 



10. Surface, X 20, in-eserving the ancestrula. 



11. Another zoarium, X 2(i, exhibiting the avicularium larger than tlie opesium. The 



ovicells are broken. 



12. An almost entire zoarium, X 20, with ancestrula. ordin.-iry and ovieelled zooeeia and 



avicularia. 

 Vicksburgian ( " Chininey rod;" cif Mariaiuia limestone): 1 mile north of iMonroe- 

 ville, Alabama. 



Cat. No. 6.3S98, TT.S.N.M. 



13. A specimen, X 20. with thick nuiral rims and a calcified zooeeium. 

 Upper .Taeksonian (Oeala limestone) : li miles above P>aiiiliriilge. Georgia. 



Cat. No. 6.3.S09. TT.S.N.M. 

 ^'iGS. 14. l."i, Mciiihidiiiiioridni tiwciiiiini, new species (p. l;:i|. 



14. Well preserved surface of the unilamellar zoarium. X 20. The finely granulated 

 nniral rim and denticulated opesium are shown. There are three, undeformed 

 primoserial zooeeia. 

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

 Cat. No. 6.3900, T^.S N.M. 

 15. An example, X 20, with broad zooeeia. The ovicell is broken, showing that it is 

 hyjierstomial. 

 Middle Jaeksonian: Tiich Hill Crawford County. (^,ecu-gia. 

 Cat. No. 03901, T'.S.X M. 

 ■26 



