178 SOULE 



LITERATURE CITED 



OSBURN, R. C. 



1953 Bryozoa of the Pacific Coast of America. Part 3, Cyclostomata, Ctenos- 

 tomata, Entoprocta, and Addenda. Allan Hancock Pacific Exped. 14: 

 613-841, pis. 65-82. (Entoprocta, pp. 759-773, pi. 82) 



Robertson, Alice 



1900. Studies in Pacific Coast Entoprocta. Proc. Calif. Acad. Sci. ser. 3, Zool. 

 2(4):323-348, pi. 16. 



