Report on the zoological collections made in the Indo-Pacific Ocean ...

;CRirSTACEA. 207nearly as in H. sculptvs. The ambulatory legs are slender, withthe penultimate and antepenultimate joints rugose and pitted. Thecolour (in a spirit-specimen) is reddish iipon a yellowish ground.Length of carapace 8| lines (18 millim.), bi'eadth about 1 inch(25 millim.).A single male was obtained at Thursday Island, 3-4 fms.(No. 175).It may be at once distinguished from Hi/pocoelus sculptvs (]\I.-Edwards) and H. f/ranulatus (De Haan) by the crest or ridgedividing the cavities of the pterygostomian regions (fig. b).The species of this curious genus appear to be rare. I have seenno specimens of H. punctatus except the unique type example. OfH. scidptus there are in the Museum three specimens—one fromthe Red Sea (,/. Burton), one from the Gulf of Suez (R. MacAiidreiv),and one from the Mauritius. Of IT. r/ranulatus there is but onespecimen, a mutilated male without indication of locality, in thenational collection.35. Atergatis floridus (Linn.).Of this very common and widely distributed species five specimens(males and females), obtained on a coral-reef at the ClairmontIslands, N.E. coast of Australia (No. 151), are retained for the BritishMuseum.Specimens are in the national collection from Port Essington,Trinity Bay (J. MacgilUvray, H.M.S. ' Rattlesnake '), and SwanRiver {H. Drhir/) ; also from Port Natal (purchased), and fromthe Philippine Islands, Guimaras (H. Cuming) ; Java, Karangbollong,and Amboina (Dr. P. Bleeker) ; Indian Ocean {OldCollection) ; Ceylon, Galle (Dr. W. Ondaatje) ; Duke of YorkIsland (Eev. G. Brown) ; Sunday Island (J. B. Jukes) ; MinervaReef (H.3I.S. 'Herald'); Fiji Islands, Ovalau, Totoya (H.M.S.'Hercdd') ;Samoa Islands, Upolu (Rev. S. J. Whitm.ee) ; and otherswith less definite indication of locality.36. Lophozozymus epheliticus (Linn.).Port MoUe (No. 95). A small male, having the beautiful colorationusual in this common species, was obtained on the beach.Mr. Haswell mentions its occurrence at Cape Grenville (as L. octodentatus).Specimens are in the collection of the British Museum from NewSouth Wales (G. Krefft); Darnley Island (J. B. Juhs); NicolBay, N.W. Australia (Mr. Du Botday) ; Philippine Islands ( C'^mm*/)and others without definite locality.Java (Bleeker Collection) ;The coloration, both in dry and spirit specimens, is variableordinarily carapace and legs are crimson or orange-red with whitespots, but sometimes the white grently predominates, and the redforms irregular patches and reticulating lines.