30 STALK- AND SESSILE-EYED CRUSTACEA 
81. Nectocarcinus integrifrons. 
Portunus integrifrons, Latr. Encyel. Méth. x, p. 192, (1825); M. 
Edw. Hist. Nat. Crust. i, p. 445, (1834). 
Nectocarcinus melanodactylus, Alph. M. Edw. Ann. Sci. Nat. (ser. 4) 
xiv, p. 220, (1860). 
Nectocarcinus integrifrons, Alph. M. Edw. Ann. Sci. Nat. (ser. 4) 
xiv, p. 220, (1860); Archiv. Mus. Hist. Nat. x, p. 406, pl. xxxviii, 
(1861); Miers, Zool. Erebus and Terror, Crust. p. 2, pl. i, fig. 3, 
young, (1874). 
Carapace but slightly convex, and granulous. Granules placed in 
little groups. Regions distinctly defined. Latero-anterior margins 
divided into four teeth, of which the first is the widest, and the last 
small and acute. Front wide, arched, and entire. Orbital margin 
with two linear fissures. Sub-orbital angle scarcely prominent. Anterior 
‘\» \lees covered with squamous lines, and closely-placed granules. Wrist 
\ie 
with an acute spine at its anterior inner angle. Hand not carinate, 
with a small spine above the base of the mobile finger. Fingers 
strongly carinate, the margins sharp, their extremities and keels black. 
The following legs compressed, and with the last jomt styliform. 
Swimming legs with the thigh similar to that of the other legs, 
penultimate joint wide, last joint flat and lanceolate. Colour, reddish 
yellow. Length 1} in.; breadth 1d im. (A. M. E.). 
New Zealand (Coll. Mus. Paris; Brit.). 
Also found in Australia and Van Diemen’s Land. 
382. Nectocarcinus antarcticus. 
Portunus antarcticus, Jacquinot and Lucas, Voy. Pole Sud. Zool. iu, 
Crust. p. 51, pl. v, fig. 1, (1853). 
Nectocarcinus antarcticus, Alph. M. Edw. Archiv. Mus. Hist. Nat. x, 
p. 407, (1861). 
Nectocarcinus antarcticus, Miers, Zool. Erebus and Terror, Crust. 
p. 2, pl. i, fig. 2, (1874). 
Carapace very slightly convex, ridged, and marked with granulous 
dines. Latero-anterior margins with the teeth very short, the first 
- the widest, the fourth small and acute. Front narrow, prominent, 
divided into six teeth, the two median short and acute, the next 
wide, triangular, and longer, the outermost very short and obtuse, 
Orbital margins with a linear fissure. Sub-orbital angle short and 
acute, Anterior legs short and granulous. Arm with a short spine 
