600 
41. 
42, 
43, 
44, 
45. 
46. 
47. 
48. 
49, 
50. 
A. ScHEPOTIEFF, 
COLE, F., On the discovery and development of rhabdite-cells in 
Cephalodiscus dodecalophus M’Int., in: J. Linn. Soc. London, 
Vol. 27, Zool., 1899. 
MASTERMAN, A., On the Diplochorda. IV. On the central complex 
of Cephalodiscus dodecalophus M’INT., in: Quart. J. microsc. Se. 
(N. S.), Vol. 46, 1903. 
ANDERSSON, K., Eine Wiederentdeckung von Cephalodiscus M’INT., 
in: Zool. Anz., Vol. 26, 1903. 
HARMER, S., On new localities for Cephalodiscus, ibid., Vol. 26, 
1903. 
SCHEPOTIEFF, A., Zur Organisation von Cephalodiscus, in: Bergen 
Mus. Aarbog, 1905. 
Harmer, S., The Pterobranchia of the Siboga-Expedition, in: 
Siboga-Expedition, No. 26bis, 1905. 
LANKESTER, E. Ray, On a new species of Cephalodiscus (C. nigres- 
cens) from the Antarctic Ocean, in: Proc. Roy. Soc. for 1905. 
RrpEwoop, W., A new species of Cephalodiscus from the Cape 
Seas, in: Marine Invest. South Africa, Vol. 4, 1906. 
—, Pterobranchia, in: National Antarctic Expedition Nat. Hist., 
Vol. 2,.1907. 
ANDERSSON, K., Die Pterobranchier der schwedischen Südpolar- 
expedition 1901— 1903, in: Wiss. Ergebn. schwed. Siidpolar-Exp., 
Vols 5, 1907. 
=< le | CE RE 
