154 THE ECHINODERMS OF TORRES STRAIT. 
indicates an extraordinary range for a tropical species. But there have been no speci- 
mens of Brissus in any of the three large collections I have examined from southern and 
eastern Australia. 
Breynia australasiz. 
Spatangus australasie Leach. 1815. Zool. Misc., 2, p. 68. 
Breynia australasie Gray. 1855. Cat. Rec. Ech., pt. 1, p. 46.—A. Agassiz. 1873. Rev. Ech., pl. xva, figs. 7-9. 
This is one of the most typical of Australian echinoderms, for it occurs along the 
whole northern coast and extends its range southward to Port Jackson on the east and to 
Fremantle on the west. It is also common at Lord Howe Island and at the Aru Islands. 
It seems to extend westward as far as Flores. At Thursday Island, Friday Island, and 
Badu it is very common, and every collector in Torres Strait has taken it; indeed, it is 
the only echinoid of which that can be said. We saw no traces of it at Erub or Mer, and 
it probably does not occur at those islands. 
Lovenia elongata. 
Spatangus elongatus Gray. 1845. Eyre Voy., J, p. 436. 
ae pees Gray. 1851. Ann. Mag. Nat. Hist. (2), 7, p. 131.—A. Agassiz. 1878. Rev. Ech., pl. xixc, 
gs. 1-4. 
This fine spatangoid ranges from Zanzibar to southern Japan and Australia. Ramsay 
(1885) says it is rare at Port Jackson but ‘‘less rare on the South Coast,” which is, to say 
the least, unexpected for a tropical species. The Alert took specimens in Torres Strait, 
and we found part of a bare test at Friday Island. A related but quite different species 
(camarota) was taken by the Challenger at station 188, just west of Torres Strait, in 28 
fathoms. No Lovenias were seen at Erub or Mer. 
