24 7p. T. CLEVE. PLANKTON COLLECTED BY THE SWEDISH EXPEDITION TO SPITZBERGEN. 
Tintinnus? ealyptra Cr. N. sp. Shell irregularly conical. Opening not denticulate. 
End closed. Some few, obliquely transverse lines are visible, especially towards the 
opening. Structure: small, rounded alveoli, arranged nearly quincuncially. 
Pl. I, fig. 2. 
Diam.: 0,04; height 0,09 mm. 
10°43’ E. Temp. 5,36. 
Very rare: 31. VIII. 76° 27'N. Sal. 35,03. Pl. S. 
T. minutus Branpt. As I have seen no figure of this species I am somewhat 
uncertain about the identification. The form which I suppose to be 7. minutus is figured 
in the Pl. I, fig. 3 and differs from 7. gracilis Brayor in the less close teeth only, so 
Diam. 0,03; height 0,05 mm. 
that the above name probably comprises both. 
Surface: 
Date. | Lat. N. | Long. Temp. Sal. Fq. Pl. 
3 VIL) 77°46’ |26°18' EF.) 1.23 30,98 ? (C Ng) 
15 VIII; 78°38’ |34°30'E.| 1,52 33,21 + Cc 
21 Vill] 80°31’ |18°50'E.| 2,42 | 38,93 | Agr 4 
25 VII | 79°53’ |11°22"B.| 2,77 | 88,75 | or | CNG, 
| 28 VIII] 78’ 23’ |10°23'E.) 6,06 34,94 r T (Ng) 
29 VIII | 77°38 | 11°40’ E.) 6 34,89 + TS 
29 VEIL | 77°23’ | 10°53’ FE.) 5,55 35,08 + TS 
81 VI | 76°27’ | 10°48’ BE} 3,85 35,03 r s 
; LIX TH°2' LS SE) 6,61 35,13 + ST 
| aix | 75750° 15°32’ B| B52 8501 | rx | ST 
T.? pellucidus Ct. N. sp. Shell a thin, structureless, irregular tube, which towards 
the wider opening has a number 
tinated bodies. 
of close and fine, transverse lines. 
No foreign agglu- 
Diam. 0,04; height 0,24 mm. PI. I, fig. 4. 
Surface: 
Date. | Lat. N. | Long. Temp. Sal. Fq. Pl: 
20 VI} 81° 14 | 22°50'R.) 1,18 33,42 r PPT (i 
20 VIL | 81°8’ | 23°35’ B 0,71 32,84 r (Ny) | 
| 21 VITT) 80°31’ | 18°50’ E. 242 33,98 r Ng T | 
27 VIII 79°58" 9°35 B., 4,58 | 34,53 , Pr 4 
T. secatus Branpr. 
Surface: 
[ T 
| Date. | Lat. N.' Long. Temp | Sal. Fq. Pl. Date. Tat N. | Long. Temp | Sal. Fq. | Pl. | 
1 t 1 1 
| | i 
21 VIE | 80°31’ | 18°50’ E. 2,42 33,938 a NgT | 30 VII!) 77 83' E. 5,65 | 35,03 r x 
| QV, 79°63" 1222" E. 254 | 33,75 vr) CUS) Ng! 31 sa 76° 27' | 10°43 R535 35,03 ms | & 4 
29 VHT} 77°38" | 11°40’ E| 6 34,89 vr ST 11x | 76°2' ag 8 E) 6,61 | 35,13 y i er | 
QO VIII 77°23’ 10°53 E! 5,55 «83,08 + TS 
