Plate US. 



Figs. 1-0. Prohoficina pnrriitninihita, new spiK'i»>s (p. Of!4). 



1. A well pre.served zoariuiii, X 12, with salient peristomes. 



2. Small portion, X 2.5. 



3. Biserial zoarium, X 12, having tubes much wiiiikle<l transversally. 



4. An example, X 12, in which the peri-stomes are bi-okon. 



5. A niultiserial specimen, X 12. 



G. Edge of a zoarium, X 12, showing that tlie tubes are raised .almost vertically. 

 Middle .lacksonian : Near Lenuds Ferry, Sciuth ('amlina. 

 Cat. No. 65289, U.S.N.M. 

 Figs. 7-9. Prohoacinn r.riiiiia, new species (p. 005 1. 



7, 8. The miiltiserial zoarium, X 12 and a portion X 25. 

 9. A short claviforra branch, X 2.5. 



Upper .Tacksonlan (Ocala limestone) : Cliipola lUver, east of Marianna. Jackson 

 County, Florida. 



Cat. No. 65290, U.S.N.M. 

 Figs. 10-12. ProVoscina latoirevis, new species (p. 007). 



10, 11. The type-specimen, X 12 and X 25, showing the .short but wide tubes. 



Upper .Tacksonian (Ocala limestone) : Old factory, IJ miles above Bainbridge, 

 Georgia. 



Cat. No 65291, U.S.N.M. 

 12. An example with very short tubes. X 25, referrwl to this species. 



Vlcksburgian (Marianna limestone) : Claiborne, Monroe County, Alabama. 

 Cat. No. 65292, U.S.N.M. 



119 



