DISCOVERY REPORTS 



340 



Genus Latrunculia, Bocage 



Latrunculia lendenfeldi, Hentschel. 



L lendenfeldi, Hentschel, 1914, p. 44- pl- v, fig- i- 

 Occ^.rence St WS 81 : Falkland Islands, 8i-8a m. ; St. WS 83 : Falkland Islands, ^37-^9 ™^ '. 



Islands, 210-242 m. 



Distribution. Wilhelm Land, Antarctic. 



Genus Cliona, Grant 

 Cliona aethiopicus, sp.n. (Fig. 40). 



Holotype. B.M. 28. 2. 15. 724- 



Occurrence. St. 283 : Gulf of Guinea, 18-30 m. 



Diagnosis. Tylostyli of usual form, 0-26 by 0-007 mm.; 

 spirasters with short stout shaft and a few conical spines, 

 0-028 mm. long. 



Remarks. The single specimen is found in a fragment of 

 a thick {Ostraea ?) shell. It resembles very closely C. chilerms, 

 Thiele, but differs in the measurements of the spicules (in 

 Thiele's species these are: tylostyU 0-3^0-33 by 0-017 mm 

 and spirasters o-oi8 mm.). Had this specimen been found 

 in a locality adjacent to the type locality, I should have q 

 had no hesitation in identifying it with C. chUemis, but the Fig. 40. Cliona aetuopcus, 

 naa no ncMLduu j t, .^, ., ^ i;rr„„„„„„„ ;„ the sp.n. a-c, bases of tylostyli, a 



geographical separation combined with the differences m the ^P_^^ ^^^ ^^^^ ^^^^^^^^^^ 



dimensions of the spicules have caused me to regard it as a ^^^^^. ^^ spiraster, x 700. 

 separate species. 



Order EUCERATOSA 

 Genus Halisarca, Dujardin 

 Halisarca dujardini, Johnston, var. magellanica, Topsent. 



H. dujca-dini, var. magellanica, Topsent, 1901, P- 44, pl- i. ^E- 2, pl- -, hgs. 11-14; Burton, 



oZlence '1 55 : Falkland Islands, xo-16 m. ; St. 58 : Falkland Islands, 1-2 m. ; St. 222 : Cape 

 Horn, 3c^35 m.; St. WS 79: Falkland Islands, 131-132 m- 

 Distribution. Victoria Land; Londonderry Island. 



Genus Spongia, Linnaeus 



Spongia officinalis, Linnaeus, Autt. 



Occurrence. St. i : Ascension Island, 16-27 m. ,. , • • 



REMARKS. The Single specimen has the external form of Euspongia officinahs adnaUca 



(Schulze, 1879, pl. xxxiv, fig. 2), but is black in colour. 



Distribution. Mediterranean; West Indies; Indian Ocean; Australia. 



b c 



