NORTH AMERICAN EARLY TERTIARY BRYOZOA. 



Genus CHORIZOPORA Hincks, 1880. 



333 



Zoological bibliography. 1SSO. HINCKS, British Marine Polyzoa, p. 222, pi. 32, figs. 1-1. 



1900. CAI.VET, Contribution ;1 riilstoire naturelle des Bryozoaires ectoproctes marins, p. 348, 



pi. 11, flgs. 13-15. 1909. LEVINSEN, Morphological and Systematic Studies on the Cheilo- 

 stomatons Bryozoa, p. 276, pi. IS, fig. 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) bronf/iitarti Savigny-Audouin, 1826. 

 Recent. 



FIG. 96. Genus Ghorixvpora Hiucks, 1880. 



A-II. Cliorisopora brongniitrti Audoulu, 1S26. 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-G after Calvet, 

 1900.) ba, palette of the pigment spots; cal, calotte; co, corona ; /c, ciliated cleft; /o, oral face; 

 wi: orifice of the internal sack; plv, vibratlle plume; spa, pnlleal furrow; 1a, pigment spots. 

 D. Zooecia with ovicells, X 25. E. Zoarium, natural size. F. Zooecia, X 25. G. Zooecia, X 

 -~i. H. Detached zooecia, X 25, showing the tubular connections around the edge. (D H after 

 Hincks, ]SS2. ) I. Longitudinal section of an ovicelled zooecium, X 55. The ovicell is surrounded 

 by an avicularium. (After Levinsen, 1909.) 



Genus DACRYOPORA Lang, 1911. 



1914. Dacryopnra LANG, Cretaceous Cheilostome Polyzoa, Geological Magazine, ser. 6. vol. 1, 

 p. 440. 



Desci'i/ifion. Incrusting, uniserial Cheilostome Polyzoa, normally with bilat- 

 eral branching; zooecia monomorphic. divided into a proximal caudal and a distal 

 capitular portion: termen, except distally. indicated by a contour on the complete 



