OF NEW ZEALAND. 27 
Lupa, (part) Leach, Edinb. Encycl. vii, p. 390, (1814); Trans. 
Linn. Soc. xi, p. 318, (1815); M. Edw. Hist. Nat. Crust. i, p. 448, 
(1834). 
Scylla, De Haan, Faun. Japon. Crust. p. 11, (1833); Dana, U.S. 
Explor. Exped. xin, Crust. part i, p. 270, (1852); Alph. M. Edw. 
Archiv. Mus. Hist. Nat. x, p. 347, (1861). 
Carapace very wide, and rather convex. Latero-anterior margins 
with nine teeth, the ninth similar to the preceding. Basal joint of 
the external antenne large, flagellum inserted in the internal orbital 
hiatus. Epistome well developed, anterior margin of the buccal cavity 
separated by a transverse groove from the posterior margin-of the 
antennary region. Median suture of the sternum extending over the 
three last segments of the body. Anterior legs short and robust. 
Hand somewhat swollen, without longitudinal ridges. 
28. Scylla serrata. 
Cancer serratus, Forskal, Desc. Animal. p. 90, (1775). 
Cancer olivaceus, Herbst, Krabben u. Krebse ii, p. 157, pl. xxxviil, 
_ fig. 3, (1796). | 
Portunus tranquebaricus, Fabr, Ent. Syst. Suppl. p. 366, (1798). 
Lupa tranquebarica, M. Edw. Hist. Nat. Crust. i, p. 448, (1834). 
Lupa lobifrons, M. Edw. Hist Nat. Crust. i, p. 453, (1834). 
Scylla serrata, De Haan, Faun. Japan. Crust. p. 44, (1835). 
Scylla tranquebarica, Dana, U.S. Explor, Exped. xii, Crust. part i, 
p. 270, (1852). 
Scylla serrata, Alph. M. Edw. Ann, Sci. Nat. xiv. (ser. 4) p. 252, 
pl. i, ii, (1860); Archiv. Mus. Hist. Nat. x, p. 349, (1861). 
Carapace convex, nearly smooth, very finely granulated; the lines 
on the gastric and branchial regions distinct. Latero-anterior margins 
very long. Front with six large flat teeth. Anterior legs very robust, 
arm trigonous, with three spines upon the anterior, and two upon the 
posterior margin. Wrist with an acuté spine at its antero-internal 
angle, and two small spines upon its external surface. Hand very 
large, with three spines above, two aboye the base of the mobile 
finger, and over the articulation with the wrist. Colour, olive brown. 
Length nearly 4 in. ; breadth 6} in. (A. M. E.). 
Auckland (Heller). } 
This species varies greatly in the form of the frontal lobes, and of 
the spines on the anterior legs, It occurs in the Red Sea, at the 
