KONGL, 8V. VET. AKADEMIENS HANDLINGAR. BAND. 13. N:() 3. 



15 



Hab. In Battin s Bay, Lat. 70° 43' N., Long. 52° VV., deptli 410 fathoms, bottom gray ooze, a 

 single specimen was dredged up by the aiithor, during the expedition of II. S. M. Shii)» »Ingegerd» and »Gladan», 

 Capt. F. W. VON Otter, to the Greenlaud-seas, in August 1871. The specimen is now preserved in tlie Swe- 

 (lish Museum of Natural History at Stockholm. 



Sp. 3. UMBELLULA PALLIDA n. 



The bodies of the latcral polypes shorter than their tentacles, the relation being sometimcs 100 : 229. 

 No zoöids on the terminal polype; the rachis — t^he length of the upper swelling of the peduncle; the top 

 of the coral sligtly curved (woi spirally), the distal end of the rachis and the terminal polype not hidden between 

 the latcral polypes. The epithelia evcrywhere pallid. The muscular system utterly feeble. 



Hab. Oft' the eutrance of the Omenakfiord, North Greenland, Lat 71° 27' N., Long. 53° 58' W., depth 

 122 fathoms, bottora light gray clay, one specimen was dredged by the author in August 1871, during the 

 expedition of H. S. M. Ships »Ingegerd» and »Oladan». The specimen preserved in the Swedish Museum of 

 Natural History at Stockholm. 



Sp. 4? UMBELLULA sp. Wyville-Thomson. 

 »Three feet long» 



Hab. Off Cap Finisterre, depth 2115 fathoms, onespecimen was dredged by Professor Wyville-Thomson 

 during the expedition of H. E. M. S. »Challenger», Captain Nares, in 1873. 



CRINILLUM SIEDENBURGII v. d. Hoeven. 



Hab. In the Banka-sea Lat. 6° 40' S., Long. 126° 47' E., depth 2700 fathoms, the basalpart^) of the 

 peduncle of a specimen was found by Lieutenant Siedenburg, Commander of H. D. M. S. »Cachelot» in 1858. 



U. encrinus. 



Length of the rachis 



» » » peduncle 



» » its upper swelling 



» » » basal i) 



» » the body of a lateral polype 



» » its longest tentacle 



Greatest diameter of the axis 



» » n » basal swelling of the peduncle. 



» » n » upper » » » » 



Shortest » » » peduncle 



Number of perfectly developed polypes: 



a) lateral (incl. term. & bas.) 



. b) dorsal 



» of imperfectly developed polypes 



Ellis. 



1785"'° 

 51—76" 



43""" 



6,5" 



9""" 



10 

 13 



U. miniacea. : U. pallida. 



Mylius. 



1287"" 

 63"" 

 150""" 

 38""" 

 25""" 

 5""" 



12"'"' 



1,6" 



30 



9"'" 

 414"'"' 

 27°'" 

 76""" 

 19"" 

 56"" 



1,35° 



5"" 

 4-" 



0,7 5° 



8 



9 



5 lat., 1 dors. 



10"" 

 322"" 

 15"" 

 52"" 

 17"" 

 39"" 



2,5"" 



2""" 



0,37° 



7 



2 



2 lat. 



') KÖLLiKER. Die Pennatuliden, page 381. 



