1898—1902. No. 20.] BRACHIOPODS AND MOLLUSCS. 5 
Brachiopoda. 
Rhynchonella psittacea, GMELIN. 
Locality: 
Sept. 20. 1900. The head of the Gaasefjord, 6—40 m. Clay with small stones. 
July 17. 1901. _ ro = . 
Very common, but most of the specimens were dead. 
Length up to 27 mm. 
Mollusca. 
Lametllibranchiata. 
Nucula tenuis, Montacu. 
Locality: 
Aug. 18. 1898. Bay near Rice Strait. 
Aug. 26. - a _ 
July 29. 1899. The winter harbour, Havnefjord. 
July 31. 1900. Round Vestre Sund, Havnefjord, 20—60 m. 
Sept. 20. ,, The head of the Gaasefjord, 6—40 m. Clay with small stones. 
Sept. 20. , _ _ - . 30 m. Soft brown clay with alge. 
Aug. 2. 1901. _ _ _ , about 40 m. 
Aug. 2, _ _ _ , 2-4 m. Soft brown clay, with small 
Aug. 16. ,, _ - _ , about 14 m. [stones and sand. 
At the head of the Gaasefjord nucula tenuis was very common, 
but it was scarcer at other localities. 
Most of the specimens belong to the variety eapansa REEVE, 
though many of them can be referred to inflata, Hancock and others 
again are intermediate forms between these varities. I append measure- 
ments of some specimens from Rice Strait and Gaasefjord. 
Rice Strait Long. 17.2 mm. Lat. 14.2 mm. Crass. 9.5 mm. 
oe . 15, 12.2 ,. a. oy 
— 14.5 ,, TAB 80% 
= it oy BS ais TO <4 
Gaasefjord Long. 13 mm. Lat. 11. mm. Crass. 7 mm. 
-~ 12.5 ,. 10.5, Or 
= a ae i & 6 <x 
= 10,3 De 5g 6.5. 
= 10.5, Bd og DD y 
