LITERATURE CITED 



Agassiz, Alexander, and Pourtal^s, Louis Francois de. 



1874. Echini, crinoids, and corals. In Illustrated Catalogue of the Museum 



of Comparative Zoology at Harvard College, no. 8, pp. 1-49, 15 



figs., 10 pis. (Mem. Mus. Comp. Zool., vol. 4.) 

 Broch, Hjalmar. 



1914. Stylasteridae. The Danish /n^oZf-Expedition, vol. 5, pt. 5, 25 pp., 



6 figs., 5 pis. 

 1918. Coelenterates in the publications of J. E. Gunnerus, a contribution to 



the history of Norwegian zoology. Kongl. Norske Vid.-Selsk. 



Skrifter, 1917, no. 4, pp. 1-17, 4 figs., 1 pi. 

 1932. Ueber einige geographisch interessante Fundstellen von Alcyonarien 



und Hydrokorallen im nordlichen Stillen Ozean. Explor. des 



mers d'URSS, fasc. 17 (1433), Inst. Hydrologique, Leningrad, pp. 



81-86, 2 figs. 



1935. Einige Stylasteriden (Hydrokorallen) der ochotskischen und japan- 



ischen See. Idem, fasc. 22, pp. 58-60, 2 figs. 



1936. Untersuchungen an Stylasteriden (Hydrokorallen), Teil I, pp. 1-103, 



32 text-figs., 13 pis. Norske Vid.-Akad. Skrifter, Mat.-Nat. Kl., 



no. 8. (October 1936.) 

 Dall, William Healey. 



1884. On some Hydrocorallinae from Alaska and California. Proc. Biol. Soc. 



Washington, vol. 2, pp. 111-115. (Also in: Ann. Mag. Nat. Hist., 



ser. 5, vol. 13, pp. 467-471, 1884.) 

 Dana, James Dwight. 



1846. Zoophytes. United States Exploring Expedition during the years 



1838, 1839, 1840, 1841, 1842, under the command of Charles Wilkes, 

 U.S.N., vol. 7, 740 pp., atlas (61 pis.). 

 Ehrenberg, Christian Gottfried. 



1834. BeitrJige zur physiologischen Kenntniss der Corallenthiere im allge- 

 meinen, und besonders des rothen Meeres, nebst einem Versuche 

 zur physiologischen Systematik derselben. Abh, Akad. Wiss. 

 Berlin, 1832, pp. 225-380. 

 Esper, Eugenius Johann Christoph. 



1797. Fortsetzungen der Pflanzenthiere, in Abbildungen nach der Natur mit 

 Farben erleuchtet nebst Beschreibungen, Theil 1, 230 pp. Niirnberg. 

 Fisher, Walter Kenrick. 



1931. Californian hydrocorals. Ann. Mag. Nat. Hist., ser. 9, vol. 8, pp. 

 391-399, 3 pis. 

 Gray, John Edward. 



1847. An outline of an arrangement of stony corals. Ann. Mag. Nat. Hist., 



vol. 19, pp. 120-128. 

 HiCKSON, Sydney John. 



1900. The Alcyonaria and Hydrocorallinae of the Cape of Good Hope. 



Marine Investigations in South Africa, vol. 1, pp. 67-96, 6 pis. 

 1912. On the hydrocoralline genus, Errina. Proc. Zool. Soc. London, 1912, 

 pp. 876-896, 3 pis. 

 HicKsoN, Sydney John, and England, Helen Mary. 



1905. The Stylasterina of the Siboga Expedition. Siboga-'Exped. Monogr. 

 8, 26 pp., 3 pis. 

 546 



