4998—1902. No. 18.] CRUSTACEA. 7 
6. Spirontocaris spinus (Sows.). 
Of this form only 3 specimens were secured, 2 of them having 
been taken on July 22, 1900, in the Winter haven, 6—20 fath., and the 
third on June 28, 1901, at the mouth of Hvalros Fjord. 
7. Spirontocaris turgida (Kroyer). 
Numerous specimens of this form were taken on July 12, 1900, in the 
bay at Last End. It was also found occasionally in 8 other places. Off 
the Norwegian coast this form is wholly restricted to the arctic region. 
Order Schizopoda. 
Suborder Mysidacea. 
Fam. Myside. 
8. Mysis oculata (Fasr.) 
This arctic form was taken in 9 different places, both at the bottom 
and near the surface. In the latter case the specimens were chiefly 
immature. . 
Order Cummacea. 
Fam. Leuconide. 
9. Eudorella truncatula (Sp. Batt). 
A solitary female specimen of this form, not yet recorded from 
the arctic region, was found in the bottom-residue of one of the bottles 
containing collections taken on July 12, 1909, from the bay at Last End. 
Fam, Diastylide. 
10. Diastylis scorpioides (Lepecuin). 
Two specimens of this genuine arctic form were taken, one on 
Aug. 26, 1898, in Rice Strait, the other on July 26, 1900, off the mouth 
of Stordalen. 
