SrB-FnSSlI, rRCSTACKANS — ETHKRllxiK ANli McCDLLOCH. 9 



The orbits, epistDine, iiml aiiteiiiiril pHrts appear to have 

 been very similHi' to those of 1'. mil iw-i'd irdriltll , Miei's, tlion^h 

 fievernl of the nioie iin|iortaiit portions ace lost. The caiapace 

 also '.•esembles the tif^'iii'e of tliat species in most of its details, 

 the most impoi'taiit diffei'eiice l.yiii{Er in the great development 

 of tlie postero-lateral spines in the fossil. 



The oecnrrence of tliis genus in Austi'alian vvatei's is inter- 

 esting as the above-mentioned species from the Admiralty 

 Islands appears to be the only one previously known. 



Lor. — Estuarine de[)osit, Yarra Delta, Melbourne, Victoria 

 fAustralian Museum). 



Family PODOFHTHALMID^. 



(lenus PohOPHTHALMUS, Lmtiarrk. 



PoiMiriiTiiALMrs vKiir,, F(tl)ririits. 



(Plate iv., fig. 3 ; Plate v., tig. 3). 



ru'lo/ilitlnil 11/ IIS riijil ( Fa bi'icius), Leach, Zotd. Miscell., ii., 

 1815, p. 149, pl.cxviii. /</., Miers, " Challenger " Rept., Zool., 

 xvii., 1886, p. 207 (i-efei'ences). 



Two incomplete carapaces and abdominal parts, with the 

 basal joints of the legs attached, agree in detail with a specimen 

 in the Australian Museum from Mauiitius. The species has 

 not hitherto been recognised from Australia-, though it occurs 

 throughout tlie Indo-Pacific region. 



/yi/c. — New Cliannel, mouth of Brisbane River, Moreton Bav 

 (Auslr. and Q'land Mus. — ./. II. Sft-wiiK). 



Family PORTUNlDzE. 

 Genus SCYLLA, lie Uaaii. 



SCYLLA SKRRATA, Forskill. 



(Plate ii., tigs, 1-2). 



Sriilhi >ternitii (Forskal), Alcock, Jourii. Asiat. Soc. Bengal, 

 Ixviii. (n. ser.), 1899, p. 27. 



