34 P. T. CLEVE. PLANKTON COLLECTED BY THE SWEDISH EXPEDITION TO SPITZBERGEN. 
pores, as broad as the bars, quincuncially arranged (4 in 0,01 mm.). Abdomen short, 
narrower than the thorax, with some few, irregular and scattered pores. Mouth some- 
what constricted, sometimes with a hyaline peristome. 
Length of cephalis 0,015 mm., of thorax 0,03 mm., of abdomen 0,01 to 0,015 mm. Breadth of thorax 
0,04 mm. Diameter of the mouth 0,027 mm. 
Pl. II, fig. 5. 
Resembles Sethocorys odysseus HKL. as to the shape and arrangement of the pores. 
Deep-sea hauls: 
Date. 
Lat. N. Long. 
Depth. 
Fq. 
Pl. 
27 VHT | 79°58’ | 9°35’ E. 
75° 50’ | 15° 25’ E. 
1 IX 
= vil| 78°13’ | 2°58" w. | 2, 
| 
| 
Trochodiscus echinidiscus Hk. 
Diam. of the shell 0,38 mm., of the pores 0,005 to 0,01 mm. Length of spines about a third of the radius. 
400—0 » 
325—0 > 
600 —0 m. 
Pl. IV, fig. 4. 
One specimen in the deep-sea haul 29—30 VII. Lat. N. 78°13’. Long. W. 2°58’. — 2,600—0 m. 
Habitat: Farée Channel (HEL.). 
Y.helioides Cx. N. sp. — Shell 0,24 mm. in diameter, with rounded pores (0,005 
to 0,007 mm. in diameter), twice as broad as the bars. Margin with numerous, about 20, 
spines, as long as the diameter. 
Pl. IV, fig. 5. 
Haul 27 VIT. Lat. N. 78°58’. Long. E. 9° 35". — 400—0 m. 
Rhizopoda. 
Globigerina bulloides p’Ors. 
Surface: 
Date. { Lat. N.} Long. | Temp. Sal. Fq. Pl. 
29 VIII | 77°38’ | 11°40’ B.| 6 34,89 r TS 
30 VITL | 77° 8 3°E.| 5,65 35,03 * (8) 
30 VIL) 76°45’ | 8°45’ B.| 5,34 | 34,92 r Ss 
31 VIL} 76°27 | 10°43’ B.| 5,35 35,03 r 8 
81 VIII) 76°12’ | 12°18'E.| 626 | 35,15 | » s 
1IX | 762’ |18 8B! 661 | 3513 | » ST 
21X 75° 50’ | 15°32’ E.| 5,52 35,01 r ST 
BIx | 7449") 16°42'E.) 724 | 3517 | » | 7(s) 
4 1X 72° 43' | 18°43’ E.| 88 35,01 r Tp Ns 
SIX | 71°67 | 19°R. | 908 | 3496 | » | tows) 
5 IX 71° 14’ | 19°38’ E.| 9,40 34,92 , Tp Ns 
6IX | 70°23 [20°80 B.| 987 | 3441 | » | tps 
