NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
333 
Genus CHORIZOPORA Hincks, 1880. 
Zoological bibliography— 1S80. ITincks, British Marine Polyzoa, p. 222, pi. 32, figs. 1-4. — 
1900. Calvet, Contribution a l’Mstoire naturelle des Bryozoaires ectoproctes marins, p. 348, 
pi. 11, figs. 13-15. — 1909. Levinsen, Morphological and Systematic Studies on the Clieilo- 
stomatous Bryozoa, p. 276, pi. 18, tig. 10a. 
The zooecia are more or less distant, connected by a tubular network; the 
aperture is semicircular with the inferior margin entire. The ovicells are covered 
by avicularia. 
Genotype. — Chorizopora ( Flustra ) brongniarti Savigny-Audouin, 1826. 
Recent. 
Pig. 96. — Genus Chorizopora Hincks, 1880 . 
A-H. Chorizopora brongniarti Audouin, 1826. A. View of dorsal or aboral face of larva. B. 
Larva seen laterally and from its left face. C. Ventral (oral) face of larva. (A-C after Calvet, 
1900.) ba, palette of the pigment spots; cal, calotte; co, corona; fc, ciliated cleft; /o, oral face; 
osi, orifice of the internal sack ; plv, vibratile plume ; spa, palleal furrow ; ta, pigment spots. 
D. Zooecia with ovicells, X 25. E. Zoarium, natural size. F. Zooecia, X 25. G. Zooecia, X 
25. H. Detached zooecia, X 25, showing the tubular connections around the edge. (D-H after 
Hincks, 1S82. ) I. Longitudinal section of an ovicelled zooecium, X 55. The ovicell is surrounded 
by an avicularium. (After Levinsen, 1909.) 
Genus DACRYOPORA Lang, 1914. 
1914. Dacryopora Lang, Cretaceous Cheilostome Polyzoa, Geological Magazine, ser. 6, vol. 1, 
p. 440. 
Description. — Incrusting, uniserial Cheilostome Polyzoa, normally with bilat- 
eral branching; zooecia monomorphic, divided into a proximal caudal and a distal 
capitular portion; termen, except distallv, indicated by a contour on the complete 
