OF THE KERGUELEN REGION OF THE GREAT SOUTHERN OCEAN. 



4G1I 



Pityomma piniferum, Haeckel. 

 Cromyomma persiikuum, Haeckel. 

 Rhizosphc.ra trifjonacantha, Haeckel. 

 „ antarctira, Haeckel. 



/). Pi'unoidea. 



Cromyocarpus quad nfarius, Haeckel. 

 Cromyatradiiif ietraphractas, Haeckel. 

 Spongunis cylindrims, Haeckel. 

 Sponr/ocoya cincta, Haeckel. 



f. Discoidea. 



PorO(Usctis flustreUa, Haeckel. 

 „ heterocychi!^, Haeckel. 

 , ,, spiralis (Ehrenberg). 



Ommatod incus stulirii, Haeckel. 

 „ I(i'vi(/atHf, Stohr. 



Stylodidya midtiqnna, Haeckel. 

 Rhopala^trum irregulare, Haeckel. 

 Eticliitonia muelleri, Haeckel. 

 Spmiyodiscus restirgens, Ehrenberg. 



„ spiralis, Haeckel. 



Spongopyle osculosu, Haeckel. 



,, setosa, Haeckel. 

 atylolivchiis aniarctiacs, Haeckel. 

 ,, challenger i, Haeckel. 



Spongotrochics murrayi, Haeckel. 

 „ wyvillei, Haeckel. 



,, moseleiji, Haeckel. 



,, willemoesii, Haeckel. 



„ scidella, Haeckel. 



d. Larcoidea. 



Stypolarcus spongiosus, Haeckel. 

 Larcospira oliva, Haeckel. 



II. ACAXTHARIA. 



Pantopelta icosaspis, Haeckel. 

 III. Nassellaria. 

 a. Plectoidea. 



Hexaplagia antarctira, Haeckel. 



h. Spyroidea. 



Tnpospgris eucolpos, Haeckel. 

 Dictgospyris tetrastoma, Ehrenberg. 

 „ enneastoma, Haeckel. 



c. Botrj'odoa. 



Andraqujris aptoiodytcs, Haeckel. 

 Butrgocella horealis, Ehrenberg. 

 Botryopijle cribrosa (Ehrenberg). 

 Bufryocgrtis (juinaria, Elirenberg. 

 Biitrgocampe inflata, Ehrenberg. 



■■'. C'}'rtoidea. 



Cgiiocalpis omlum, Haeckel. 

 Coruntdla clutlirata, Ehrenberg. 



„ anmdida, Ehrenberg. 



Cormdanna orthoconus, Haeckel. 

 Ilalicapsa hgdrix, Haeckel. 

 Didgocephalus antarclictis, Haeckel. 

 Dicolocapsa megacepjhala, Haeckel. 

 DictyopMmus antarciicus, Haeckel. 

 Theocorys pluionis, Haeckel. 

 Lithostrohus hiconu's, Haeckel. 



„ cornutella, IJutschli. 



Theiicaly]}tra cornuta (Ehrenberg). 

 LHhomitra lineatu (Ehrenberg). 

 Eucyiiidium c.hrysalidium, Haeckel. 



IV. PlI.EODARIA. 



Aulactinium aetinospha;yium, Haeckel. 

 Sagenoscena penicillata, Haeckel. 

 Aulosplia-ra Idsternaria, Haeckel. 

 Aulasfrum dichoceros, Haeckel. 

 Aidodictytim h yd rod id yum, Haeckel. 

 Cannos2)luera antardica, Haeckel. 

 Challengeria naresii, 'Mnmy. 

 „ trifida, Haeckel. 



Conchasma hippurites, Haeckel. 



Of the 81 species enumerated, 57 species (or 70 per cent.) are not recorded in the 

 Challenger Report from any other locality, while 21 species (or 26 per cent.) are repre- 

 sented in the tropical Pacific (11 species both at the surface and bottom, 7 species at the 

 bottom only, and 3 species at the surface only), 3 species are represented in the South 

 Atlantic (2 at the surface and 1 at the bottom), 2 species are recorded from the bottom 

 in the tropical Atlantic (West Indies), and 1 species each from the bottom in the North 

 Pacific and South Pacific respectively. 



Two species {Cenosphcera pcq^illata and Thecosphcera diplococcus) occur outside this 



