NORTH AMERICAN LATER TERTIARY AND QUATERNARY BRYOZOA. 
Miocene (Calvert formation): 1 mile south of Parkers Creek, Calvert County, Maryland— 
Callopora parvirostris, new species, (v. r.) 
Cribrilina ligulata, new species, (v. r.) 
Miocene (Calvert formation): Chesapeake Beach, Maryland— 
Acanthodesia oblongula Ulrich and Bassler, 1904. (c.) 
Holoporella massalis Ulrich and Bassler, 1904. (r.) 
Miocene (St. Mary’s formation): St. Mary’s River, Maryland— 
Cupularia denticulata Conrad, 1841. (r.) 
Hemiseptella fistula Ulrich and Bassler, 1904. (v. r.) 
Holoporella massalis Ulrich and Bassler, 1904. (r.) 
Lepralia montifera Ulrich and Bassler, 1904. (v. r.) 
Theonoa glomerata Ulrich and Bassler, 1904. (r.) 
Miocene (St. Mary’s formation): Cove Point, Maryland— 
Amphiblestrum constrictum Ulrich and Bassler, 1904. (r.) 
Conopeum germanum Ulrich and Bassler, 1904. (v. r.) 
Cribrilina punctata Hassall, 1841. (r.) 
Idmonea expansa Ulrich and Bassler, 1904. (r.) 
Membranipora tuberimargo, new species, (v. r.) 
Microporella dliata Linnaeus, 1759. (r.) 
Porella reversa Ulrich and Bassler, 1904. (r.) 
Ramphonotus agellus Ulrich and Bassler, 1904. (r.) 
Schizoporella cumulate Ulrich and Bassler, 1904. (r.) 
MIOCENE OF VIRGINIA. 
Miocene (St. Mary’s formation): Bowlers wharf, 18 miles above Urbana, Middlesex County, Virginia 
Acanthodesia savartii forma- typica. (r.) 
Conopeum lacroixii Busk, 1852. (r.) 
Membraniporina baccata, new species, (r.) 
Ramphonotus agellus Ulrich and Bassler, 1904. (r.) 
Schizopodrella unicornis Johnston, 1847. (r.) 
Spathipora longicauda, new species, (v. r.) 
Miocene (Yorktown formation): Yorktown, Virginia— 
Cellepora maculata Ulrich and Bassler, 1904. (r.) 
Dakaria grandis, new species, (r.) 
Floridina regularis, new species, (r.) 
Gemelliporella vorax, new species, (r.) 
Hippaliosina rostrigera Smitt, 1872. (c.) 
Hippoporella spinosa, new species, (r.) 
Holoporella (?) echinata, new species, (v. r.) 
Membranipora flabellata Canu, 1906. (r.) 
Microporella fissurifera, new species, (v. r.) 
Ramphonotus asperus, new species, (r.) 
Stylopoma spongites Pallas, 1766. (c.) 
Terebripora parvicella, new species, (r.) 
Tretocycloecia tortilis Lonsdale, 1845. (c.) 
Miocene (Yorktown formation): 1 mile northeast and 1 mile west of Suffolk, Virginia— 
Acanthodesia savarti forma typica. (r.) 
Atelesopora reptans, new species, (r.) 
Ceriopora virginiana , new species, (v. r.) 
Cycloperiella rubra, new species. 
Gemelliporella vorax, new species, (r.) 
Hippaliosina rostrigera Smitt, 1872. (c.) 
Membranipora flabellata Canu, 1906. (r.) 
Microporella fissurifera, new species, (r.) 
Ramphonotus asperus, new species, (r.) 
