PAUL BJERKAN. ASCIDIEN, 
1905, 
1893, 
1899, 
1903, 
1878, 
1883, 
1893, 
1867, 
1857, 
1852, 
1887, 
1880, 
1882, 
1871, 
1872, 
1879, 
Liste der citierten Ascidien-Literatur. 
Buerkan, P., Ascidien von ,,M. Sars“ 1900—04 gesammelt (Bergens Museums 
Aarb. 1905, 5). 
Bonnevis, K., Ascidie simplices and Ascidiz composite. (Norske Nordh. Exp. 
1876—78, v. VU, 2). 
Harrmeyver, R., Monascidien der Bremer-Exp. nach Ostspitzbergen 1889. (Zool. 
Jahrb. Syst., v. XII). 
- Die Ascidien der Arktis (Fauna arctica, v. III, 2). 
Heuer, C. Die Crustaceen, Pycnogoniden und Tunicaten der ést.-ung. Nordpol- 
Exp. (Denkschr. Ak.-Wien, v. 35). 
Hervman, W. A., Report on the Tunicata of H. M.S. ,,Challenger“ 1873—76, I. 
(Rep. Voy. Challenger, v. V1). 
Kiar, J, Oversigt over Norges Ascidie simplices. (Forh, Vid-Selsk. Kristiania 
1893, 9). 
Pacxarp, A. S., On the recent Inverterbrate Fauna of Labrador. (M. Boston 
Soc., v. I). 
Rin, H., Gronlands sjopunge. (Nat. Tilleeg geogr. og stat. Beskr. Gronland, v. II). 
Srimeson, W., Some remarks of Ascidians found in Mass. Bay. (P. Boston 
Soce., v. IV). 
Swepervus, M. B., Tunicater fran Sibiriens Ishaf och Beringshaf. (Vega Exp. 
v. IV). : 
Traustept, M P. A., Oversigt over de fra Danmark og nordl. Bilande kjendte 
Ascidiew simplices. (Medd. Vid. Foren. 1879—80). 
- Vestindiske Ascidie simplices, I. (Medd. Vid. Foren. 1881—82). 
Verritt, A. E., Description of some imperfectly known and new Ascidians from 
New England. (Am. Journ. Sc. & Arts, ser. III, v. 2). 
_ Molluscan Fauna of New England. (Am. Journ. Se. & Arts, ser. 
Ill, v. 3). 
= Molluscoids. (Bul. U. S. Nat. Mus., 15). 
