OF NEW ZEALAND. 89 
segment about as long as broad, with a high longitudinal median 
ridge, and with six or eight large marginal spines, which are not 
mobile. 
94. Squilla nepa. 
Squilla nepa, Latr. Encycl. Méth. x, p. 471, (1825), not synon. ; 
M. Edw. Hist. Nat. Crust. i, p. 522, (1837). 
Squilla oratoria, De Haan, Faun. Japon. Crust. p. 223, pl. hi, 
fig. 2, (1850). 
Rostral plate semi-oval. Carapace much retracted in front, ex- 
panded and rounded behind, with five longitudinal crests above, (one 
median, and two branchial on each side); the latero-anterior angles 
spiniform, and much produced forwards, extending beyond the median 
portion of the frontal margin; its posterior margin with a median 
tooth, of triangular form, and directed backwards. Large prehensile 
limbs, with the terminal joint rather short, geniculate, and armed with 
six spines. Length often about 5 in. (M. E.), 
Auckland (Heller). 
This widely distributed species may be distinguished from others of 
the genus which have the terminal joint of the large prehensile legs 
six-spined, by the form of the first of the four exposed thoracic seg- 
ments ; which has the lateral margins notched, with a larger terminal, 
and smaller lateral, lobe. This peculiarity is noted both in the descrip- 
tions of De Haan and Latreille. The abdomen has on each segment, 
(except the last), eight longitudinal ridges, which terminate posteriorly 
in spines on the fourth, fifth, and sixth segments. The last seement 
has eight thickened marginal spines, and a longitudinal median ridge. 
It is found on the coasts of China and Japan, India, Australia, the 
Philippines, Chili, &e. 
GONODACTYLUS. 
Gonodactylus, Latr. Encycl. Méth. x, p. 473, (1825); M. Edw. 
Hist. Nat. Crust. ii, p. 528, (1837); Dana, U.S. Explor. Exped. xiii, 
Crust. part 1, p. 615, (1852). 
Body somewhat loosely articulated, not longitudinally costate, with 
the exception of the last two abdominal segments. Terminal joint of the 
large prehensile legs swollen at the base, close to its articulation with 
the wrist. Caudal segment terminating or not, in two mobile spines, 
Adh 4.7 
