Second German Xorth-Polar Voyage. 203 



ECHIXODERMATA. 



HOLOTHUEIOIDEA. 



MyriotrochusRinkii, Steenstr. Length 45, thickness 8 millims. 

 Germania Harbour, 2 fathoms. 

 Distr. West Greenland, down to 10 fathoms. 



ECHIXOIDEA. 



Echi7ius drohacMensis, Mlilh 



Clavering Island, 15 fathoms. 



Distr. Circumpolar ; Newfoundland, Bay of Georgia, 

 White Sea, Kamtschatka, Sea of Ochotsk, North Cape to 

 the Sound, Britain. 



ASTEEOIDEA. 



1. Asteracanthion albulus, Stimps. 



Sabine Island. 



Distr. West Greenland, Grand Manan. 



2. Ophioglyjjha robusta^ Ayres. 27 fathoms. 



Distr. West Greenland, Massachusetts, Iceland, Spitz- 

 bergen, Norway to the Sound, Britain. 



3. Ophiocten sericeum^ Forbes. 26 fathoms. 



Distr. East Greenland, West Greenland, Spitzbergen. 



4. Asterophyton eucnemis, Miill. & Tr. 



Distr. West Greenland, down to 1000 fathoms. 



CCELENTERATA. 



1. Actinia nodosa, Fab. 



2. Briareum grandijiorum, Sars. 



Distr. Oxfjord in Finmark, Arendal. 



EXPLANATION OF PLATE XL figs. 4-14. 

 Leipoceras uviferum. 

 Fig. 4. Head and fore body from above (li). 

 Fig. 5. Head from below (H). 



Fig. 6. Nineteenth and twentieth segments, right side, v?ith the com- 

 mencement of the external ovaries. 



Fig. 7. Forty-second and forty-third segments, with the external ovaries 

 further developed. 



Fig. 8, Uncini of the fifteenth segment, from below /12). 



Fig. 9. Seta of an upper tuft in the fore body. 



Fig. 10. Seta of a lower tuft in the fore body. 



Fig. 11. Thick setae of the fifth segment. 



Fig. 12. Inferior fine setae of the fifth segment. 



Fig. 13. Ovum from the body-cavity of the hinder body (?ii'). 



Fig. 14. Ovum from an external ovary (^). 



