178 
BULLETIN 106, UNITED STATES NATIONAL MUSEUM. 
Cellulariidae, Journal Linnean Society, London, Zoology, vol. 26, p. 5, pi. 1. — Levinsen, 1909. 
Morphologic and Systematic Studies on the Cheilostomatous Bryozoa, p. 92. — Waters, 1913, 
Marine Fauna of British East Africa and Zanzibar, Bryozoa, Cheilostomata, Proceedings 
Zoological Society, London, 1913, p. 464, pi. 64, 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 Robertson.) 
Fig. 46. — Genus Foveolaria Busk, 1884. 
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, 1884.) 
E. Operculum, X 85. (After Waters, 1SS9.) 
Genus AETEA Lamouroux, 1812. 
1812. Aetea Lamouroux, Sur la Classification des Polypiers Coralligenes, Bulletin Sciences 
Societe Philomatique. 
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 Robertson.) Twelve tentacles. 
Genotype. — Aetea anguina Linneaus, 1758. 
Range. — Eocene-Recent. 
