NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
657 
Occurrence— Middle Jacksonian (Castle Hayne limestone) : Wilmington, 
North Carolina (very rare). 
Holotype. — Cat. No. 65274, U.S.N.M. 
STOMATOPORA CORNU, new species. 
Plate 130, fig. 14. 
Description.— The zoarium incrusts shells. The tubes are long, in the form 
of a horn. The peristome is thick, salient, round. 
Measurements . — 
Length of tube 
Diameter of peristome 
0.80 mm. 
0.10 (0.14 mm.). 
Occurrence. — Upper Jacksonian (Ocala limestone) : Chipola River, east of 
Marianna, Jackson County, Florida (rare). 
Holotype. — Cat. No. 65455, U.S.N.M. 
STOMATOPORA PRATTI, new species. 
Plate 116, figs. 1-3. 
Description. — The zoarium incrusts bryozoa and shells, forming very irregu- 
lar polygons. The tubes are oval, wide, wrinkled transversally, of quite variable 
width. The peristome is thin, salient, orbicular. 
( Diameter of tube 0.40‘ mm. 
Length of tube 0.60-1.20 mm. 
Diameter of peristome 0.22 mm. 
This species is well characterized by its great zooecial width. The specific 
name is in honor of Dr. J. H. Pratt, State geologist of North Carolina. 
Occum'ence. — Middle Jacksonian: Wilmington, North Carolina (common); 
near Lenuds Ferry, South Carolina (rare) ; 3^ miles south of Perry, Georgia 
(very rare). 
Upper Jacksonian (Ocala limestone) : West bank of Sepulga River, Escambia 
County, Alabama (very rare) ; Chipola River, east of Marianna, Jackson County, 
Florida (very rare). 
Cotypes. — Cat, No. 65268, U.S.N.M. 
STOMATOPORA STRIATULA, new species. 
Plate 116, figs. 4, 5. 
Description.— The zoarium incrusts shells, orbitoid foraminifera and bryozoa ; 
the angle of dichotomization is very acute and about 60° at the most. The tubes 
are oval, wide, striated transversally. The peristome is thin, salient, orbicular, 
The peristomie is short. The angle of divergence is sometimes so small that two 
primoserial tubes are adjacent and the zoarium partially assumes the aspect of a 
Prohoscina. 
■42 
55899— 20— Bull. 106- 
