99 JAMES A. GRIEG. [SEC. ARCT, EXP. FRAM 
Tectura rubella, Fasricivs. 
Locality: 
June 22. 1900. The skerry, Havnefjord, about 10 m. Stones and lithothamnia. 
July 22. The winter harbour, Havnefjord, about 60 m. Small stones. 
July 28. as = = = , about 40 m. Small stones. 
At none of the localities was tectura rubella numerous. The largest 
specimen has a basal diameter of 7.5 mm. This species attains a size 
of 7 mm. (PosseLt) on the west coast of Greenland, of 6.3 mm. at Spitz- 
bergen (Knrpowrtscu) and of 6 mm. on the Norwegian coast. 
Lepeta coeca, O. F. Mtuier. 
Locality: 
July 18. 1900. The winter harbour, Havnefjord, about 60 m. Clay with small stones. 
July i. 7 — , about 60 m. Small stones with 
lithothamnia. 
July 2 =, -- - - , about 60 m. Small stones. 
July 23. , — - _ , about 40 m. Small stones. 
July 2.  ,, _ _ _ , about 20 m. Rocks and stones. 
July 30.) , The entrance to Stordalen, Havnefjord. 
Aug. 1. y Off the entrance to Stordalen, Havnefjord, 10—50 m. Small stones. 
Aug. 3. , Fosheims Peak and the valley on the west side of Havnefjord, 
4—40 m. Small stones. 
Aug 4, Sjépélse Ness, Havnefjord, 30—50 m. Small stones. 
Aug. 8. 4 The winter harbour, Havnefjord, 30 m. 
Sept. 20. ,, The head of the Gaasefjord, 6—40 m. Clay with small stones. 
July 17. 1901. The entrance to Gaasefjord. 
Aug. 30. The head of the Gaasefjord, 8m. Clay with small stones and 
fucaceae. 
July 19. 1902. Off the camping ground, North Devon, 6—14 m. Small stones and 
algae. 
In Havnefjord, especially in the winter harbour and off the entrance 
to Stordalen this species was very common. The specimens have a 
basal diameter of up to 16 mm. The species attains the same size 
at Spitzbergen (Krause), and can be 14.3 mm. on the east coast of 
Greenland (HAG); whereas on the west coast it is only 12 mm. (PosseEt7). 
On the Norwegian coast it can be 14 mm. 
Puncturella noachina, Linnt. 
Locality: 
July 22. 1900. The winter harbour, Havnefjord, about 60 m. Small stones. 
One specimen whose basal diameter is 7 mm., height 4 mm. 
The species attains the same size on the west coast of Greenland 
(PossELT), whereas on the east coast it can be as much as 11 mm. 
Hiae). On the Norwegian coast it attains a size of 9.5 mm. (SPARRE 
SCHNEIDER). 
