82 Prof. W. Michaelsen. 



1881 Molgula gigantea, Herdsian, Prel. Rep. IV. p. 234. 

 ? 1881 „ gregaria, „ ibid. p. 234. 



1882 „ gigantea, „ Tunic. I. Challenger. p. 69. PI. IV. Fig. 1-4. 

 ? 1882 „ gregaria, „ ibid. p. 73. 



? 1898 „ „ Pizon, Etüde Molgulidees. p. 357. PL XV. Fig. 6. 



1898 Ctenicella Lebrimi, „ ibid. p. 364. PI. XIII. Fig. 5. PI. XV. Fig. 3. 



1898 „ rugosa, „ ibid. p. 372. PI. XIII. Fig. 4. PI. XV. Fig. 1, 2. 



? 1898 Stomatropa vittosa, „ ibid. p. 379. PI. XIV. Fig. 3—6. 



1900 Paramolgula gigantea, Michaelsen, Holos. Ascid. magalh.-südgeorg. Geb. p. 138. 



Yorkominen : Magalhaens-Str. , Grente Grande, Admirality Sound; 

 Beagle Channel, Lapataia Nueva, Uschuaia; Ost- Feuerland, Kap. 

 San Sebastian (Michaelsen); zwischen Magalhaens-Str. und Falk- 

 land-Inseln, 52° 20' S., 68° W. (Hekdman); Falkland-Inseln, Port 

 Stanley (Michaelsen), ? Port Louis (Lesson), ? 51 ° 40' S., 57° 50' W. 

 (Hekdman). 



Verzeichnis der Literatur 



über Tuiiicaten vom niagaLhaensisch-südgeorgisclien Gebiet. 



Apstein, C, 1894 (Tbaliac. Plankt.-Exp. B), Die Thaliacea der Plankton-Expedition. B. Ver- 

 teilung der Salpen; in Erg. Plankton-Exp. Bd. II. E. a. B. 



Bokgekt, A., 1894 (Thaliac. Plankt.-Exp. C), Die Thaliacea der Plankton-Expedition. C. Ver- 

 teilung der Doliolen; in Erg. Plankton-Exp. Bd. II. E. a. C. 



Chieechia, C, 1885 (Collezioni Vettor Pisani), Collezioni per studi di scienze naturale fatte 

 nel viaggio intorno al mondo dalla R. Corvetta Vettor Pisani, 1882—85; in 

 Revista Marittima, settembre 1885 (nacb Borgert!). 



Caullery, M. M., 1896 (Colella, polymorphisme bourgeons), Sur les Synascidies du genre 

 Colella, et le polymorphisme de leurs bourgeons; in Comptes Rendus Acad. Sei. 



Cunningham, R. O., 1871 (Nat, Hist. Magellan), Notes on the natural History of the Strait 

 of Magellan; Edinburgh. 



1871 (Notes Voy. Nassau), Notes on the Reptiles, Amphibia, Fishes, Mollusca, 

 and Crustacea obtained during the voyage of H. M. S. „Nassau" in the years 

 1866-69; in Trans. Linn. Soc. London. Vol. XXVII. 



Gould, A. A., 1852 (Mollusca in U.S. Exp. Wilkes), Mollusca and Shells; in ü. S. Exploring 

 Expedition, by Charles Wilkes. Vol. XII. 



Herdman, \V. A., 1880 (Prel. Rep. I), Prelimiuary Report on Tunicata of Challenger Ex- 

 pedition, part I; in Proc. R. Soc. Edinb. 1879/80. 



1880 (Prel. Rep. II), id. Part LI; ibid. 1879/80. 



1881 (Prel. Rep. III), id. Part III ; ibid. 1880/81. 



1881 (Prel. Rep. IV), id. Part IV; ibid. 1880/81. 



1882 (Tunic. I, Challenger), Report on the Tunicata collected during the 

 Voyage of H. M. S. Challenger during the years 1873—76, Part I, Ascidiae 

 simplices; in Rep. Challenger, Zool. Vol. VI. 



1886 (Tuuic. II, Challenger), id. Part II, Ascidiae compositae ; ibid. Vol. XIV. 

 1888 (Tunic. III, Challenger), id. Part III; ibid. Vol. XXVII. 

 1891 (Rev. Class. Tunic), A revised Classification of the Tunicata, with 

 definitions of the Orders, suborders, families, subfamilies and genera, and 

 analytical keys to the species; in Journ. Linn. Soc. London. Vol. XXIII. 



