96 
H. Ludwig. 
Stüdeb, Theofh., Die Fauna von Kerguelenland. Archiv f. Naturgesch., 45. Jahrg., 1879, 
p. 104—141. 
Thkel, Hjalmab, ßeport on the Holotburioidea, Part I. In: Eeport on the Scientific 
Eesults of the Voyage of H. M. S. „Challenger“, Zoology, Vol. IV, Part XIII, 
London 1882. 
Theel, IIjADMAR, Report on the Holothurioidea, Part II. Ibidem, Vol. XIV, Part XXXIX, 
London 1886. 
Theel, Ujalwar, Report on the Holothurioidea. (Reports on the Results of Dredging 
ctc. by the Steamer „Blake“, Nr. XXX.) Bull. Mus. Comp. Zool. Harvard College, 
Vol. 13, Nr. 1, Cambridge, Mass. 1886. 
Thomson, 0. Wyvini.E, The Atlantic, Vol. II, London 1877. 
Thomson, C. Wvville, Notice of some Peculiarities in the Mode of Propagation of 
certain Echinoderms of the Southern Sea. Journ. Linn. Soc., Vol. XIll, Zoology, 
London 1878, p. 55 — 79 (erschien 1876). 
Thomson, C. Wyville, Report of the Voyage of H. M. S. Challenger, Narrative, Vol. I, 
London 1885. 
Veekill, A. E. , Notes on Eadiata. Transact. Connecticut Academy of Arts and 
Sciences, Vol. 1, Part 2, New-Haven 1867—1871, p. 247 — 613, T. 4 — 10. 
Vebeill, A. E. , Annelids and Echinoderms of Kerguelen Island. Bull. U. St. Nat.- 
Museum, Vol. 1, Nr. 3, Washington 1876, p. 64—75. 
