KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 32. w:0 3. 25 
Cystoflagellata. 
Noctiluca miliaris Surtray. 
28.V. Lat. N. 58°41’. Long HE. 4°34’. Temp. 8,30. Sal. 33,04. Fq. rr. Pl. Tp. 
Silicoflagellata. 
Dictyocha speculum Exp. 
Surface: 
Date. | Lat. N.| Long. Temp. Sal. Fq. Pi. 
31 vit | 76°27’ |10°43'B.| 5,35 | 35,03 | x 8 
| 11x | vere |13° ee) 661 | 35,13 | rr | st 
Radiolaria. 
Acanthochiasma Krohnii Hxt. 
5.IX. Lat. N.71° 50’. Long E.19° 2’. Haul 250—0 m. Fq. rr. Pl. WS. 
Acanthocorys umbellifera Hk. 
Deep-sea hauls: 
Date. Lat. N. Long. Depth. Fq. Pi. 
1 VIII) 76°36’ | 12°13'E.| 500-Om | + | 7s 
27 VIL | 79°58’ | 9° 385'E. | 400-0 >» | cs | 
11X | 75°50 | 15°25'E.| 325-0 » | + 8 
5IX | 71°50' | 19 2B. | 20-0 >» | » 8 
Habitat Mediterranean (HKL.). Styliplankton of the warmer Atlantic. Farde Channel (CL.). 
Acanthometron elasticum Hxt. 
Surface: 31. VIII. Lat. N 76°27’. Long E. 10°43’. Temp. 5,35. Sal. 35,03. Faq. rr. Pl. S. 
A. quadrifolium (Hxt.). — As I am unable to distinguish between Acanthonia qua- 
drifolia and Acanthometron catervatum Hx. the above name may comprise both. Also 
Acanthometron siculum does not seem to be anything but a larger and stouter form of 
the same species. In most samples with A. quadrifol. I have seen Acanthostauros pallidus 
(Cuar. & Lacum.), which seems to me not to be anything but a younger form of 
K. Sy. Vet. Akad. Hand]. Band 32. Nir 3. 4 
