134 BULLETIN 125, UNITED STATES NATIONAL MUSEUM. 
LEPRALIA MONTIFERA Ulrich and Bassler, 1904. 
Plate 18, fig. 11. 
1904. Lepralia monti/era Ulrich and Bassler, Maryland Geological Survey, Miocene, p. 424, pi. 
116, fig. 5. 
The original description is as follows: 
Zoarium parasitic, in one or more layers. Zooecia not regularly arranged, subovate, averaging 
0.5 mm. or a trifle more in length and about 0.35 mm. in width. Orifice oblique, depressed in front, 
transversely subovate, broadly sinuate below; peristone scarcely thickened. Central portion of surface 
very high, the slopes traversed by rows of large punctures in radially disposed furrows. Ovicells not 
observed; nor avicularia, unless certain elongate-acuminate, curved depressions, with a pore at the 
broader lower extermity, that sometimes may be observed close to the rim of the orifice, are of that 
nature. This rather highly ornamented form reminds in certain respects of Cribrilina, but on the whole 
it agrees better with Lepralia. The strikingly monticular elevation and strongly puncto-radiate marking 
of the surface of the zooecia will, we believe, serve very well in distinguishing the species. 
We are unable to classify this species generically on account of the absence of 
ovicell on the type and only specimen. 
The interareolar costules are larger than in Hippoporella costulata, but the 
present species differs in the absence of a hollow infraoral mucro and of the small 
adventitious avicularia. 
Occurrence. —Miocene (St Mary’s formation): St. Marys River, Maryland 
(very rare). 
Holotype. —Cat. No. 68614, U.S.N.M. 
LEPRALIA CRIBROSA? Maplestone, 1900. 
Plate 36, fig. 1. 
1900. Lepralia cribrosa Maplestone, Further descriptions of the Tertiary Polyzoa of Victoria, pt. 6, 
Proceedings Royal Society, Victoria, vol 13, pt. 2, p. 210, pi. 35, fig. 16. 
We are not certain of our determination, although the specimen studied is a 
superb one. If the magnification indicated by Maplestone be exact our species 
would be somewhat smaller. The absence of an ovicell does not allow the species 
to be classified generically. Two very small cardelles separate a large anterfrom a 
smaller poster. 
Occurrence. —Pleistocene: Santa Monica, (Long wharf Canyon), California 
(very rare). 
Geological distribution. —Miocene of Australia (Maplestone). 
Plesiotype. —Cat. No. 68615, U.S.N.M. 
Group 4. PERISTOMELLAE Canu and Bassler, 1917. 
Genus TRYPEMATELLA Canu and Bassler, 1920. 
1920. Trypematella Canu and Bassler, Monograph North American Early Tertiary Bryozoa, Bul¬ 
letin 106, U. S. National Museum, p. 417. 
• 
The ovicell is hyperstomial and closed by the operculum for the passage of the 
eggs. The apertura is semilunar with proximal border a little concave. The 
frontal bears some lateral areolar pores (pleurocyst on olocyst). Two large lateral 
avicularia are placed below the apertura. 
Genotype .— Trypematella papulifera, new species. Pleistocene. 
