12 Olaf Bidenkap. [No. 9 



Menibranipora spinifera Johnst. 



Membranipora spinifera Johnst. Wateks p. 61. Vanhoffen p. 233. Ko- 

 BERTSON. Anderson p. 539. Vigelius p. 12. 



Spitsbergen, Franz Josefs L., Grønland, Alaska. 



Membranipora sandalia A. Eobertson. 

 Membranipora sandalia Eobertson. 



Alaska. 



Membranipora cymbaeformis Hincks. 



Menibranipora spinifera Smitt I, 1867, p. 366, tab. 20, fig. 32. Meynbrani- 

 pora cymbaeformis Lorenz p. 84. Levinsen p. 12. Nordgaard I, p. 17. Van- 

 hoffen p. 233. Bidenkap I, p. 619, IV, p. 510. Nordgaard IV, p. 165. Hincks 

 IV, I, p. 217. 



N. Norge, Hvideh., Spitsbergen, Jan Mayen, Grønland. 



Membranipora trifolium S. Wood. 



Membranipora ilemingii^ f trifolium Smitt p. p. I, 1867, p. 367, tab. 20, fig. 42. 

 Mollia Flemingii, f trifolium Smitt III, p. 26. Membranipora trifolium Lorenz 

 ]). 86. Nordgaard I, p. 18. Vanhoffen p. 233. Bidenkap IV, p. 511. Nord- 

 gaard IV, p. 165. 



N. Norge, Murmanh., Spitsbergen, Jan Mayen, Grønland. 



Membranipora discreta Hincks. 



Membranipora lineata, f. discreta Smitt I, 1867, p. 365, tab. 20, fig. 28 

 Mejnbranipora discreta Bidenkap IV, p. 511. 



Spitsbergen. 



Membranipora serrulata Busk. 



Membranipora arcficae affinis SxMitt I, 1867, p. 413. Flustra serridafa 

 Vanhoffen p. 233. Membranipora serridata Levinsen I, p. 12, tab. 27, fig. 1 — 2. 



Karahavet, Grønland. 



Membranipora aniericana DOrb. 



Membranipora lineata, f. aniericana Sbiitt I, 1867, p. 365, tab. 20, fig. 31, 

 II, j). 17, III, p. 25. Stuxberg p. 107. Membr . aniericana BiD-Ei^iKÅV lY ^ p. 511. 

 Membranipora Lacroixii Eobertson. 



Murmanh., Spitsbergen, Nov. Semlja, Karah., Alaska. 



