KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 32. w:o 3. 29 
Cromyomma zonaster (Ens). Thick walled and obscure, 0,11 mm. in diameter, 
densely covered with thin, flexible, radial spines, as long as the radius. Pores rounded 
0,005 to 0,007 mm. in diameter; bars 0,003 to 0,005 mm. broad. 
Deep-sea haul: 5. IX. Lat. N. 71°50’. Long. BE. 19° 2’. Fq. rr. PL oS. 
Habitat: Greenland, abysmal. 
Dietyocephalus sp. In one of the deep-sea hauls was found one specimen (PI. UH, 
fig. 1) which perhaps may be D. obtusus or Lophophena obtusa Ens. Micrg. XXII, f. 40. 
Dictyophimus gracilipes Bam. Cephalis hemispherical, with a single stout horn of 
variable length. Pores rounded. Thorax a three-sided smooth pyramide, with three 
decurrent ribs, prolonged in long, smooth three-sided feet. Pores rounded, irregular, 
decreasing in size towards the cephalis. 
Cephalis 0,02 mm. long; horn 0,04—0,05 mm. Thorax 0,05 mm. long and 0,07 mm. broad. PI. II, fig. 2. 
Deep-sea hauls: 
Date. Lat. N. Long. Depth. Fq. Pl. 
29—30 VII) 78°13’ | 2°58’ W. | 2,600—Om.| r cs 
1 VIIT | 76°36’ | 12°13’E. 500—0 > r TS 
27 VIIL | 79°58’ | 9°35'E. 400—O » r cs 
1 1X 75° 50’ | 15°25’ E. 325—O » , 8 
Habitat: Kamtschatka and the north Pacific Ocean. 
Euphysetta Nathorstii Cr, N. sp. Shell ovate, with a single spine on the apical 
pole. Structure double: coarser longitudinal (9 in 0,01 mm.) and transverse (8 to 9 in 
0,01 mm.) faint ribs crossing each other at right angles and, besides, very small puncta 
arranged in obliquely decussating rows (17 in 0,01 mm.). Peristome short and wide, 
with four slender articulate teeth, three of the same length but the fourth much longer. 
From the middle of the fourth tooht there issues in the middle a small spine. 
Length 0,06 mm. Breadth 0,04 mm. PI. II, fig. 3. 
Deep-sea haul: 29—30 VII. Lat. N. 78°13’. Long. W. 2°58’. Faq. rr. Depth 2,600—0 m. 
Of the genus Euphysetta three species only are known, all from the tropical and southern Atlantic. 
Euscenium tricolpium Hk. 
Deep-sea haul: 29—30 VII. Lat. N. 78°13’. Long. W. 2°58’. Fq. rr. Depth 2,600—0 m. 
Habitat: Central Pacific Ocean, abysmal (HKL.). — Northern Atlantic, between Shetlands and Norway, 
surface (March 1898 CL.). 
Gazelletta sp. 
Fragments of the feet (smootb) were found in the deep-sea haul: 29—-30 VII. Lat. N. 78°13’. Long. 
W. 2°58’. Depth 2,600—0 m. 
Heliosphera actinota Hxt. 
One small specimen (Diam. 0,06 mm. Pores three on the radius, 0,013 mm. broad) in the deep-sea haul 
29—30 VII. Lat. N. 78°13’. Long. W. 2° 58’. 2,600—0O m. 
Habitat: Mediterranean, Canaries, Azores (HKL.). 
