NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
349 
Buffonella ( Schizoporella ) simplex D’Orbigny, 1833. 
Buffonella ( Schizoporella ) rimosa Jullien, 1888. 
Buffonella ( Schizoporella ) marsupifera Busk, 1884. 
Buffonella { Schizoporella ) rumida Hincks, 1881. 
Buffonella ( Schizoporella ) levata Hincks, 1882. 
Buffonella ( Schizoporella ) laevigata Waters, 1889. 
Buffonella {Schizoporella) edwardsiana D’Orbigny, 1839. 
Buffonella {Escharella) stylifera Levinsen, 1886. 
Buffonella {Schizoporella) hexagona Nordgaard, 1905. 
Fig. 104. — Genus Buffonella Jullien, 1888. 
A, B. Buffonella ridleyi MacGillivray, 1882. A. Zooecia, X 50. (After Jullier, 18S8.) 
B. Operculum, X 85. (After Waters, 1904.) 
G. Buffonella liexagona Nordgaard, 1905. Operculum, X 85. (After Nordgaard.) 
D, E. Buffonella stylifera Levinsen, 1886. D. Aperture of zooecium. E. Operculum. 
(After Levinsen, 1886.) 
The known fossil species of the genus are: 
Buffonella { Lepralia ) incisa Beuss, 1874. 
Buffonella {Lepralia) pauper Beuss, 1S74. 
Buffonella { Schizoporella ) nuda Canu, 1908. 
Buffonella {Schizoporella) crenulata MacGillivray, 1904. 
Buffonella {Schizoporella) arachnoides MacGillivray. 1882. 
Buffonella {Schizoporella) clerici Neviani, 1895. 
Buffonella {Schizoporella) carinata Hennig, 1892. 
BUFFONELLA HEXAGONALIS, new species. 
Plate 46, fig. 1. 
Description. — The zoarium is formed of many superposed lamellae and incrusts 
stones. The zooecia are distinct, elongated, hexagonal , separated by a prominent 
