34 P. T. CLEVE. PLANKTON COLLECTED BY THE SWEDISH EXPEDITION TO SPITZBERGEN. 



pores, as broad as the bars, quincuncially arranged (4 in 0,oi mm.). Abdoraen short, 

 narrower than the thorax, with some few, irregular and scattered pores. Mouth somc- 

 what constricted, sometimes with a hyaline peristome. 



Lengtli of cephalis 0,oi5 mm., of thorax 0,03 mm., of abdomen 0,oi to O, om mm. Breadtli of tliorax 

 0,045 min. Diameter of tlie mouth 0,027 ram. 

 Pl. III, dg. 5. 

 liesembles SetJiocori/s odysseus Hkl. as to tlie shape and arrangeraent of the pores. 



Deep-sea hauls: 



Date. 



Lat. N. 



Long. 



Depth. 



Fq. 



Pl. 



29—30 VII 



27 VIII 



1 IX 



78° 13' 

 79° 58' 

 75° 50' 



2° 58' W. 



9°35'E. 



15°25'E. 



2,600-0 111. 

 400-0 > 

 325-0 » 



r 

 r 



r 



SC 

 C8 

 S 



Trochodiscus echinidiscus Hkl. 



Diam. of the sliell 0,38 mm., of the pores 0,oori lo 0,oi mm. Lengtli of spines about a third of the radius. 

 Pl. IV, fig-. 4. 



Oue specimen in the deep-sea haiil 29 — 30 VII. Lat. N. 78° 13'. Long. W. 2' 58'. — 2,600 — O m. 

 Habitnt: Färöe Channel (Hkl.). 



T. helioides Cl. N. sp. — Shell 0,24 mm. in diameter, with roimded pores (0,oo5 

 to 0,007 mm. in diametei"), twice as broad as the bars. Margin with numerous, about 20, 

 spines, as long as the diameter. 



Pl; IV, fig. 5. 



Haiil 27 VII. Lat. N. 78° 58'. Long. E. 9° 35'. 



400—0 m. 



Rhizopoda. 



Griolbiserina buUoides d'Orb. 



Surf ace : 



Date. 



Lat. N. 



Long. 



Tern)). 



Sal. 



Fq. 



Pl. 



29 VIII 



77=38' 



ir40'E. 



6 



34,89 



r 



TS 



30 VIII 



77° 



8° 3'E. 



6,65 



35,03 



r 



(S) 



30 VIII 



76° 45' 



8°45'E. 



5,34 



34,92 



r 



s 



31 VIII 



76° 27' 



10°43'E. 



5,3.5 



35,03 



r 



s 



31 VIII 



76° 12' 



12° 18' E. 



6,26 



35,15 



r 



s 



IIX 



76° 2' 



13° 8'E. 



6,61 



35,13 



r 



ST 



2 IX 



75° 50' 



15°32'E. 



5,.52 



35,01 



r 



ST 



3 IX 



74° 42' 



16°42'E. 



7,24 



35,17 



r 



T{S) 



4 IX 



72° 43' 



18°43'E. 



8,8 



35,01 



r 



Tp Ns 



5 IX 



71° 57' 



19° E. 



9,08 



34,96 



v 



Tp (m 



5 IX 



71° 14' 



19°38'E. 



9,40 



34,92 



r 



TpNs 



6 IX 



70° 23' 



20°30'E. 



9,87 



34,41 



r 



TpNs 



