1898-1902. No. 20.] BRACHIOPODS AND MOLLUSCS. 11 



Aug. 1. 1900. Off the entrance to Stordalen, Havnefjord, 10-50 m. Small stones. 



Aug. 4. Blaeksprutgrunden, Havnefjord, 2030 m. Small stones. 



Aug. 4. Sjopolse Ness, Havnefjord, 30-50 m. Small stones. 



Aug. 7. East Cape, Havnefjord, 2050 m. 



Sept. 9. Off Forvisningsdalen. Gaasefjord, 440 m. Clay with small stones. 



Sept. 20. The head of the Gaasefjord, 640 m. Clay with small stones. 



This species was very common off Stordalen, East Cape, the head 

 of the Gaasefjord and in particular off Forvisningsdalen. In the other 

 localities it was more scattered and scarcer. 



The largest specimens from Rice Strait measure: Long. 28 mm. 

 Lat. 261.5 mm. In specimens from Jones Sund these measurements are: 

 32.5 mm. and 30 mm. respectively. According to KNIPOWITSCH the 

 species attains the same size at Spitsbergen. On the east coast of 

 Greenland according to JENSEN it attains a length of 28.5 mm. COLLIN 

 gives 28 mm. as the size it attains in the Kara Sea. 



In most of the specimens the valves were of equal size, though in 

 a few instances the edge of the left valve projected very slightly beyond 

 that of the right. (Cf. COLLIN and JENSEN). 



Astarte borealis, CHEMNITZ. 



Locality: 



Aug. 18. 1898. Bay near Rice Strait. 

 Aug. 24. 



Aug. 26. , about 40 m. 



July 26. 1899. The winter harbour, Havnefjord, 12 m. 

 Sept. 22. , 14 m. 



March 7. 1900. Bay south of Sj6polse Ness, Havnefjord, 30-40 m. Small stones 



slightly overgrown with laminaria. 



Aug. 1. Off the entrance to Stordalen, Havnefjord, 1050 in. Small stones. 



Aug. 7. East Cape, Havnefjord, 2050 m. 



Sept. 19. Off Forvisningsdalen, Gaasefjord, 440 m. Clay with small stones. 



Sept. 20. The head of the Gaasefjord. 640 m. Clay with small stones. 



July 8. 1901. Renbugten, about 20 m. 



July 12. Bay near Landsend, about 35 m. 



Aug. 30. Gaasefjord, 8 m. Clay with small stones and fucaceae. 



July 19. 1902. Off the camping ground. North Devon, 614 m. Small stones. 



In Rice Strait and at the winter harhour Havnefjord this species 

 was very common. In Gaasefjord and off the camping ground North 

 Devon it was common, but in the remaining localities it only occurred 

 sparsely. 



The specimens may exhibit considerable variations. Thus in 25 

 specimens the height of the shell varied between 74.1 % and 93 % of 

 the length, while the breadth (thickness) of the shell varied between 

 31. 7 "/o and 50/ of the length. I append measurements of some of 

 these specimens: 



