24 JAMES A. GRIEG. [SEC. ARCT. EXP. FRAM 
On the west coast of Greenland this species has a basal diameter 
of 4.5 mm., whereas on the east coast it is as much as 6.3 mm. The 
largest known specimens (diam. 11 mm., height 10.5 mm.) are from the 
Kara Sea (Lecue). On the Norwegian coast it can be as much as 
6 mm. 
Margarita umbilicalis, Broperip & Sowersy. 
Locality: 
Aug. 24. 1898. Rice Strait. 
July 29. 1899. The winter harbour, Havnefjord, 12 m. 
Sept. 22, , - a = , 16 m. 
March 7. 1900. Bay south of Sjépélse Ness, Havnefjord, 30-40 m. Small stones 
slightly overgrown with laminaria. 
April 29. , North-east of Frokostpynten, Havnefjord. 
July 18 , The winter harbour, Havnefjord, about 60 m. Clay with small stones. 
July 2  ,, — _ _ , about 40 m. 
July 9, _ _ _ , about 60 m. Small stones. 
July 2. - _ _ , about 20 m. Rocks and stones. 
July 30. , The entrance to Stordalen, Havnefjord. 
July 31. , Round Vestre Sund, Havnefjord, 20—60 m. 
Aug 1. i, Off the entrance to Stordalen, Havnefjord, 10—50m. Small stones. 
Aug. 3, Fosheims Peak and the valley on the west side of Havnefjord, 
4—40 m. Small stones. 
Aug. 4 ‘3 Bleksprutgrunden, Havnefjord, 20—30 m. Small stones. 
Aug 4&  , Sjopélse Ness, Havnefjord, 30—50 m. Small stones. 
Aug. 7 4 East Cape, Havnefjord, 20—50 m. 
Aug 8&  , The winter harbour. Havnefjord, 30 m. 
Sept. 19. , Off Forvisningsdalen, Gaasefjord, 4-40 m. Clay with small stones. 
Sept. 20. ,, The head of the Gaasefjord, 6—40 m. Clay with small stones. 
June 28. 1901. The entrance to Hvalrosfjord. 
June 29. Off the camping ground, Jammerbugten. 
Juy 5 y The Sound, Jammerbugten. 
July 8&  , Renbugten, about 20 m. 
July % 4 _ . 
July 12 , Bay near Landsend, about 35 m. 
July 17) =, The entrance to Gaasefjord. 
Aug. 30. ,, The head of the Gaasefjord, about 8 m. Clay and small stones 
with fucaceae. 
July 11. 1902. St. Helena, 4-14 m. Large and small stones overgrown with 
fucaceae. 
July 15, Off Havhestfjeld, North Devon. Stones and large fucaceae. 
July 17. East of the large glacier, North Devon. 
July 19. " Off the camping ground, North Devon, 6—14 m. Small stones and 
Aug. 4 4 North of the peninsula, Gaasefjord, 20—30 m. [algae. 
This species is one of the most widely distributed gastropods in 
Jones Sound. At Landsend, Renbugten and Havnefjord it was very 
common. 
A specimen from Landsend measures: basal-diameter 20.5 mm. and 
height 15 mm. In another specimen these measurements are 18 mm. 
and 13.5 mm. respectively. In a specimen from Renbugten they were 
