SUMMARY OF RESULTS. 
513 
Spongurus cyUndricus , Haeckel. 
Spongocore cincta, Haeckel, j 
c. Discoidea. 
Porodiscus flustrella, Haeckel. 
„ heterocyclus, Haeckel. 
„ spiralis (Ehrenberg). 
Ommatodiscus stuhrii, Haeckel. 
„ Isevigatus, Stolir. 
Stylodidya multispina, Haeckel. 
Rhopalastrum irregulare, Haeckel. 
Eudiitonia muelleri, Haeckel. 
Spongodiscus resurgens, Ehrenberg. 
„ spiralis, Haeckel. 
Spongopyle osculosa, Haeckel. 
„ setosa, Haeckel. 
Stylotrochus antardicus, Haeckel. 
„ challengeri, Haeckel. 
Spongotrochus murrayi, Haeckel. 
„ wyvillei, Haeckel. 
„ moseleyi, Haeckel. 
,, willemoesii, Haeckel. 
„ scutella, Haeckel. 
d. Larcoidea. 
Stypolarcus spongiosus, Haeckel. 
Larcospira oliva, Haeckel. 
II. Acantharia. 
Pantopelta icosaspis, Haeckel. 
III. Nassellaria. 
a. Plectoidea. 
Hexaplagia antardica, Haeckel. 
b. Spyroidea. Station 157. 
Tripospyris eucolpos, Haeckel. 
Dictyospyris tetrastorna, Ehrenberg. 
Didyospyris enneastoma, Haeckel. 
c. Botryodea. 
Androspyris aptenodytes, Haeckel. 
Bofryocella borealis, Ehrenberg. 
Botryopyle cribrosa (Ehrenberg). 
Botryocyrtis quinaria, Ehrenberg. 
Boiryocampe inflata, Ehrenberg. 
d. Cyrtoidea. 
Cyrtocalpis ovulum, Haeckel. 
Cornwtella dathrata, Ehrenberg. 
,, annulata, Ehrenberg. 
Cornutanna orthoconus, Haeckel. 
Idalicapsa liystrix, Haeckel. 
Didyocephalus antardicus, Haeckel. 
Dicolocapsa megacephala, Haeckel. 
Didyoqjhimus antardicus, Haeckel. 
Theocorys plutonis, Haeckel. 
Lithostrobus bicornis, Haeckel. 
Tlieocalyptra cornuta (Ehrenberg). 
Lithostrobus cornutella, Biitschli. 
Lithomitra lineata (Ehrenberg). 
Eucyrtidium dirysalidium, Haeckel. 
IY. PHiEODARTA. 
Aidadinium adinosph&rium, Haeckel. 
Sagenoscena penicillata, Haeckel. 
A ulosphmra bisternaria, Haeckel. 
Aidastrum dichoceros, Haeckel. 
A uloclidyum hydrodidyum, Haeckel. 
Cannospli&ra antardica, Haeckel. 
Challenges. ia naresii, Murray. 
„ trifida, Haeckel. 
Conchasma hippurites, Haeckel. 
Diatomaceje. — Considerable differences are recognisable between the general appear- 
ance of Diatom preparations made from surface gatherings as contrasted with those 
procured from the ooze forming the bottom in this locality. By far the most abundant 
form at the surface was the peculiar, very elongated, fiexuous ThoJassiothrix longissima, 
var. antardica, Cleve and Grunow [ = Synedra thalassiothrix, Cleve in 'parte], a 
species which has also been recorded as forming large floating masses in the Arctic 
Ocean . 1 In the Antarctic its frustules were found arranged in little bundles — from ten 
to twelve together — fastened together loosely at one end, but separate at the other, the 
whole being loosely twisted into a spindle. In preparations isolated frustules of it 
1 Bihang tilK. Svensk. Vetensk. Akad. HandL, Bd. i., No. 13, Stockholm, 1873. 
