178 



BULLETIN 106, UNITED STATES NATIONAL MUSEUM. 



Cellulariidae, Journal Linnean Society. London, Zoology, vol. 26, p. 5, pi. 1. LEVIXSEN, 1909. 

 Morphologic and Systematic Studies on the Cheilostomatous Bryozoa, p. 92. WATERS, 1913, 

 Marine Fauna of British East Africa and Zanzibar, Bryozoa, Cheilostoinata, Proceedings 

 Zoological Society, London, 1913, p. 4G4. pi. 04, figs. 1, 2. 



Zoarium composed of creeping branches more or less adherent to the sub- 

 stratum, often growing in free tufts adherent only part of their length. Zooecia 

 uniserial. arising from each other in a tubular prolongation of greater or less 

 length. Opesium terminal, opercular valve at its summit. (After Kobertson.) 



C'50 



E*85 



FIG. 46. Gf mis Foveolaria Busk, 1S84. 



A-E. Foveolaria elliptica Busk, 1884. A. Zoarium, natural size. B. Portion of same, X 25. 

 C. Avicularia and ovicell, X 50. D. Zooecium and avicularium, X 50. (A-D after Busk, 1S84.) 

 E. Operculum, X 85. (After Waters, 1SS9.) 



Genus AETEA Lamouroux, 1812. 



1812. Aetca LAMOUROUX, Sur la Classification des Polypiers Ooralligeues, Bulletin Sciences 

 SociSte Philoruatique. 



Zoarium adherent to the substratum. Each zooecium partially adherent, par- 

 tially erect, the erect portion carrying at its distal extremity the membranous aper- 

 ture with its operculum. (After Eobertson.) Twelve tentacles. 



Gi-nutype. Aetea anyuina Linneaus. 1758. 



Range. Eocene-Recent. 



