439 



Ryder-expeditioD 1891—92) (Lundbeck 1. с). The species is a 

 native of cold water. 



Chondrocladia Wyv. Thoms. 



С. gigantea Arm. Hans. 



1885. Desmacidon giganteum Armauer Hansen. The Norweg. North-Atlant. 



Exp. XIII, Spongiadæ 14, PL II, figs. 12—13, 

 PI. VII, flg 8. 

 1887. Cladorhisa nobilis Fristedt, Vega-Exp. vetensk. lakttag. IV, 456, PI. 25, 



fig. 60-65, PI. 31, fig. 26. 

 1905. Chondrocladia gigantea, Lundbeck, The Danish Ingolf-Exp. VI, 2, 102, 



PL IV, fig. 1, PL XIII, figs. 2 a— 1. 



A specimen of this beautiful arctic sponge was taken by 

 the Swedish arctic expedition 1883 at the East-coast of Green- 

 land, depth 130 fathoms (Fristedt I.e.). 



Artemisina Vosm. 



A. arcigera 0. Schmidt. 



1870. Suberit.es arciger O.Schmidt, Grundzüge einer Spongienf. des allant. 



Gebiet. 47, Taf. V, Fig. 6. 

 1905. Artemisina arcigera, Lundbeck, The Danish Ingolf-Exp. VI, 2, HO, 

 PL I, figs. 9-11, PL XIII, figs. За— f. 



One specimen from East-Greenland without more particular 



locality (The Ryder-expedition 1891—92); Forsblad-Fjord '"^^Is 



1900, depth .50—90 fathoms, Hurry-Inlet ^4s 1900, depth 50 



fathoms, one specimen on each locality (The Amdrup-expedition 



1900) (Lundbeck I.e.). 



A. apollinis R. and D. 



1887. Amphilectus apollinis Ridley and Dendy, Challeng. Rep. Monaxonida, 



XX, 124, PL XIX, figs. 3, 3 a— с 

 1905. Artemisina apollinis, Lundbeck, The Danish Ingolf-Exp. VI, 2, 114, 



PL XIll, figs. 4a— g. 



Two fragments without other locality than East-Greenland 



(The Ryder-expedition 1891—92) (Lundbeck I.e.). 



lyxllia 0. Schmidt. 

 M. incrustans John s t. 



1842. Halichondria incrustans Johnston, A Hist, of Brit Spong. and Litoph. 



122, PL XII, fig. 3, PL Xin, fig. 0. 



