U2 



specimens arid 1 valve); Franz Joseph-Fjord, inner part of 

 Myskoxe-Fjord, -53 fms., clay (3 specimens, one empty) (Hägg 

 1. с. p. 53). 



In the nomenclature I have followed H. Friele who con- 

 siders JVeaera glacialis G. 0. Sars a gigantic form of Ni 

 obesa Loven ^). ' 



Among the specimens from Sabine-Island one is of a very 

 considerable size viz., as follows: - 



Length 29 mm.; height f8'5 mm.; breadth 1 5*5 mm. 



Addition. 



During the printing of this, I received from the author a 

 copy of: Mollusca und Brachiopoda' gesammelt von der schwe- 

 dischen zoologischen Polarexpedition nach Spitzbergen , dem 

 nordöstlichen Grönland und Jan Mayen i. J. 1900. II. Scapho- 

 poda. Gastropoda, Placophora und zwei vorher nicht erwähnte 

 Lamellibranchiata. Von Richard Hägg^). 



These two «not previously mentioned Lamellibranchiata» 

 ought lo have been introduced in the present treatise p. 320 

 and p. 329, for they are: 



Portlandia frigida ïorell. Franz Joseph-Fjord, the inner 

 end of Myskoxe-Fjord, 53 fms., clay. 3 specimens and 2 valves 

 (all young ones). 



Crenella decussata Montagu. Franz Joseph-Fjord, the outer 

 part of Myskoxe-Fjord, 116V2fms., clay. 1 specimen (very young). 



J) Jahrb. Deutsch. Malakozool. Gesellsch. Bd. 6, 1879, p. 270. 

 ^'l Arkiv for Zoologi, Bd. 2, Nr 13. Stockholm 1905. 



