Plate 152. 



Figs. 1, 2. I'lnlidsciiKi siihctliiiiittn. new siHK'ies (p. 665). 



1. The incrusting type-specimen, X 12. 



2. Portion of the same, X 25. 



Vickshurgian (Marianna limestone i : (•lan)orne. Jlonme Cnunl.v, .Vlaliania. 

 Cat. No. 6537.5, U.S.N.M. 

 Figs. .3-7. Pmboscitia recialincu. new species (p. (iOiiK 



3. .-Vn nnsynnnetrical zoarium, X 12. The zooeeia are arranged in tran.sverse rows nn 



tlie l)ranch to tlie right and in quincunx to tlie left. The l)ranclies are linear, 



4. Anotlier zoarium, X 12, with tlie two first hranches not linear. .\ very small piu- 



toeciuni is developed. 



5. Portion of a multiserial zoarium, X 2."). 



6. Zooeeia with the peristomes arranged in transverse irregular rows. X 25. 



7. Another portion of the same zoarium, X 25, with the peristome arranged in quincunx. 

 Vickshurgian (Marianna limestone) : Salt Mountain, 5 miles south of .Tackson, 



.Mahaiua. 



Cat. No. 6.5376, U.S.N.M. 

 Figs. 8, !). I'rohosciiia cmiici, new species (p. 66S1. 



8. All example, X 12, illustrating tlie large although short triserlal hranches. 



9. Part of the same s)iccinien. X 25, exhiliiting the thick peristomes. 



Vickshurgian (Marianna limestone) : Salt ^Mountain. 5 miles south of .Tackson, 

 Alaharaa. 



Cat. No. 65377, U.S.N.M. 

 Fios. 10-12. J'rdhiixciiia coiivciiiciis. new siiecies (p. 666). 



10. Symmetrical zoarium with wide, symmetrically arranged branches, X 12. The pro- 



toecium is probably very minute. 



11. Another zoarium, X 12, showing club-shaped branches. 



12. Portion of a branch. X 25, illustrating the thickness of the peristomes. 

 Vickshurgian (Marianna limestone) : Salt Mountain, 5 miles south of Jackson, 



Alabama. 



Cat. No. 65378, U.S.N.M. 

 55899— 20— Bull. 106, Vol. 2 20 153 



