LIST OF STATIONS 



243 



Genus Pseudosiiherites, Topseiit. 



P. hyulimis (Ridley and Dendy). 



P. siilcatiis, Thiele. 

 Genus Tentorium, Vosmaer. 



T. semisubeiites (Schmidt). 

 Genus Polymastia, Bowerbank. 



P. isidis, Thiele. 



P. invaginata, Kirkpatrick. 

 Genus Sphaerotylus, Topsent. 



S. antarcticiis, Kirkpatrick. 



Genus Stylocordyla, Thomson. 



S. borealis, suhsp. aciiata, Kirkpatrick. 

 Genus Spirastrella, Schmidt. 



S. purpurea (Lamarck). 

 Genus LatruncuUa, Bocage. 



L. lendenfeldi, Hentsehel. 

 Genus Cliona, Grant. 



C. aethiopicus, sp.n. 



Order EUCERATOSA 



Genus Halisarca, Dujardin. 



H. dujarditn, var. ynagellaiiica, Topsent. 

 Genus Spongia, Linnaeus. 



S. officinalis, Linnaeus. 



S. magellanica, Thiele. 



Genus Duseideia, Johnston. 



D.fragilis (Montagu). 



D. chilensis (Thiele). 



D. tenuifibra, sp.n. 

 Genus Dendrilla, Lendenfeld. 



D. membranosa (Pallas). 



LIST OF STATIONS: WITH THE NAMES OF 



SPECIES COLLECTED AT EACH 



R.R.S. 'DISCOVERY' 



St. I. i6. xi. 25. Clarence Bay, Ascension Island, 7^55' 15" S, 14° 25' W. Rectangular net, 

 coralline sand and shell, 16-27 ™- 

 Spongia officinalis, Linnaeus. Duseideia fragilis (Montagu). 



St. 2. 17. ix. 25. Clarence Bay, Ascension Island, Catherine's Point and CoUyer Point. Shore 

 collecting. 

 Arenochalina incrustans, sp.n. 



St. 6. i.ii. 25. Tristan da Cunha, 3 miles N 30° E of Settlement. Large dredge, rock, 80-140 m. 



Leucosolenia macleayi (Lendenfeld). Sigmotylotella suheritoides, sp.n. 



Leucaltis gastrorhabdifern, sp.n. lophon proximum (Ridley). 



Plakina 7nonolopha, Schulze. Protoclathria simplicissima, sp.n. 



Pachastrella monilifera, Schmidt. Hymedesmia irritans, Thiele. 



Poecillastra compressa (Bowerbank). Hymeniacidon torquata, Topsent. 



Eryhis discophorus (Schmidt). Pseudaxinella egregia (Ridley). 



Halichna petrosioides, sp.n. Bubaris vermiculata (Bowerbank). 



Adocia siphonella (Thiele). B. murrayi, Topsent. 



Phloeodictyon eumitum, Kirkpatrick. Ceratopsis incrustans, sp.n. 



Amphilecius fucorum (Esper). Pseudosuberites hyalinus (Ridley and Dendy). 



A. rwosus (Thiele). Tentorium semisuberites (Schmidt). 



St. 27. 15. iii. 26. West Cumberland Bay, South Georgia, 3-3 miles S 44° E of Jason Light. 

 Large dredge, rock, no m. 

 Cinachyra harbata, SoUas. Plumocolumella maeandrina (Kirkpatrick). 



