KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 32. w:o 3. 33 
Length of cephalis 0,03, of thorax 0,07 min., of abdomen 0,01 mm. Breadth of thorax 0,07 mm., of 
abdomen 0,08 mm. 
Pl. IV, fig. 1. 
The nearest allied form seems to be P. columda. 
One specimen in the haul 29—30 VII. lat. N. 78° 13’. Long. W. 2° 58’. — 2,600—0 m. 
Habitat: Between Shetlands and Norway, surface, March 1898. 
Sagenoscena penicillata Hxr. — Agrees with the description and figures in Hmoxet’s 
monograph with the exception that the radial rods have the same thickness as the tan- 
gential bars and are shorter than these, characteristics so trifling that I do not consider 
them sufficient for the distinction of a variety. 
This species, known from the abysmal depths of the Antarctie Ocean, was found in fragments in the haul 
29—30 VI. Lat. N. 78°13’. Long. W. 2° 58’. — 2,600—0 m. 
Sethoconus galea Ci. N. sp. — Shell campanulate or hemispherical, as long as 
broad (0,12 mm.), with rudimentary cephalis, not distinctly separated from the thorax. 
One apical spine and several small spines on the thorax. Pores irregularly polygonal, 
increasing in size from the apex, the largest 0,02 min. in diameter. 
Pl. IV, fig. 3. 
Some few specimens in the haul 29—30 VII. Lat. N. 78°13’. Long. W. 2° 58’. — 2,600—0 m. 
Sethoconus tabulatus (Ens.) Hxr. 
Cephalis 0,018 mm. long. Thorax in length 0,06 mm., in breadth 0,045 mm. Largest pores 0,008 mm. 
in diameter. Cephalis with one delicate horn and several small bristles. 
Pl. IV, fig. 2. 
This species found by EHRENBERG in the abysmal depths of the Caribbean sea and by the Challenger 
Expedition in the abysmal depths between Ascension and Sicrra Leone was found in the haul the 29--30 VII. 
Lat. N. 78° 13’. Long. W. 2° 58’. — 2,600—0 mm. 
Sethophormis sp. 
A fragment of a species resembling S. rotula H&L. was found in the haul 29—30 VI]. Lat. N. 78° 13’. 
Long. W. 2° 58’. — 2,600—0 m. 
Stichopilium davisianum (Ens.). — Pl. IV, fig. 6. 
Several specimens in the deep-sea hauls 29—30 VII. Lat. N. 78°13’. Long. W. 2° 58’. — 2,600--0 m. 
and 1 IX. Lat. N. 75°50’. Long. E. 15° 25’. — 325—0 m. 
Habitat: Greenland, abysmal. 
Theocalyptra cornuta Batt. 
Length of cephalis 0,02, of thorax 0,08, of abdomen 0,01 mm. Diameter of the opening 0,144 mm. Diam. 
of the largest pores 0,014 mm. 
Deep-sea hauls: 
29—30 VII. Lat. N. 78°13’. Long. W. 2°58’. Depth 2,600—0 m._ Fy. r. 
27 VIII. >» » 79° 58’. » EE. 9° 385’. > 400-—0 » > 7 
1 IX » » 75°50. > » 15° 25’. » 325—0 » > oP 
Habitat: Kamtschatka (BAIL.), Greenland (EHB.). 
Theocorys borealis Cr. N. sp. — Cephalis hemisperical, with a short triangular 
horn and large, irregular, rounded pores. ‘Thorax pear-shaped, with regular, circular 
K. Sv. Vet. Akad. Handl. Band 32. N:r 3. 5 
