26 STALK- AND SESSILE-EYED CRUSTACEA 
over the articulation of the hand with the wrist. Abdomen of male 
somewhat triangular, with the sides concave. Colour, (in preserved 
specimens), bluish or pink, with irregular spots, blotches, and bands of 
pale yellow. 
New Zealand (Coll. Brit. Mus.). 
This species has often a length of 4 anda breadth of 9 in., and is 
sometimes larger, and is very widely distributed throughout the Red Sea 
and Indian Ocean, amongst the East Indian Islands, on the coasts of 
the Philippines, China and Japan, the Eastern coast of Australia, &c. 
27. Neptunus sanguinolentus. 
Cancer sanguinolentus, Herbst, Krabben u. Krebse i, p. 161, pl. vii, 
fig. 56-57, (1796). 
Portunus sanguinolentus, Fabr. Ent. Syst. Suppl. p. 367, (1798). 
Lupa sanguinolenta, M. Edw. Hist. Nat. Crust. p. 451, (1834) ; 
Regne animal de Cuvier Atlas, pl. x, fig. 1. 
Neptunus sanguinolentus, Alph. M. Edw. Archiv. Mus. Hist. Nat. x, 
P5109, (1861), 
Carapace slightly convex, finely granulous, with moderately prominent 
lines upon the gastric regions. Latero-anterior margins very long and 
oblique, and lateral spine very long and acute. Front with six teeth, 
the two middle very small, the next long and acute, the outermost 
short and obtuse. Orbital margin straight, with two small fissures. 
Anterior legs long and slender, arm with three or four spines upon the 
anterior margin, but without a spine at the extremity of the posterior 
margin, Wrist with a spine on its outer surface, and a larger one at 
its antero-internal angle. Hands with two spines above, one on the 
inner margin above the base of the mobile finger, and another on the 
outer margin above the articulation with the wrist. Ambulatory 
legs flattened, and of moderate length. Colour reddish yellow, with 
three large circular spots of bright red with a pale margin on the 
posterior half of the carapace, and others upon \the legs. Length 
21 in.; breadth 54m. (A. M. FE). 
Auckland (Heller). 
This species occurs throughout the Indian Ocean, and Hast Indian 
Archipelago, also on the Australian Coast. 
SCYLLA. 
Portunus, (part) Fab. Ent, Syst. Suppl. p. 863, (1798). 
