52 



like also between them and the lateral margins, the upper surface is finely marbled with 

 cream-coloured lines on a dark-blue ground, though one observes, nearly midway between the 

 supra-orbital spines and the lateral margins, a verdigris stripe bordered on its outer side by an 

 elongate cream-coloured fleck. The supra-orbital spines are marked with large, dark-blue flecks, 

 separated by narrovv, pale, cream-coloured bands; the flecks do not reach the anterior margin 

 of the spines except that near the tip. The other acute teeth on the upper surface are yellow 

 with darker tip. The terga of the 2 nd , 3 th and 5 th abdominal somites are adorned with a large, 

 transverse, dark-blue band; on the 2 nd and on the 3 ,d this band does not extend to the anterior 

 nor to the posterior margin of the somite, but on the 5 th it reaches until its posterior border, 

 while on the 4 th and on the 6 th somite one observes but a tracé of such a band. These bands 

 are bounded on either side, anteriorly, by a narrow, oblique, cream-coloured stripe. A larger 

 oval fleck of the same cream-colour runs obliquely and parallel with the other on the antero- 

 lateral angle of the i st — 6 ,h terga and these flecks, of which that on the 5 th somite is a little 

 smaller than the others, are also bordered by a dark-blue line. The verdigris pleura show 

 cream-coloured extremities and their anterior margin presents the same colour, like also the 

 denticulated lobe on their posterior margin ; the acute tips are horny coloured. The calcareous 

 anterior part of the telson bears on each side a small cream-coloured fleck and there is also 

 one on the basal joint of the lateral swimmerets posteriorly. 



The joints of the blue antennular peduncles are marked with cream-coloured flecks 

 distally, the i st joint also in the middle and their flagella are adorned with three rings of the 

 same colour, the first of which is shorter than the following, like in the figure of Herbst. The 

 antennal peduncle is finely marbled on a blue ground-colour, the yellow spines with which they 

 are armed, are dark-blue at their base. The thoracic leo;s are cream-coloured between the 

 dark-blue rings and flecks. 



The upper surface of the carapace is covered with acute spines and teeth that partly 

 are more or less distinctly arranged in longitudinal rows; behind the cervical groove a large 

 number of smaller acute teeth are observed between them, especially on the branchial and 

 intestinal regions; the teeth are fringed anteriorly with short bristles which, however, are often 

 absent on the larger spines. The cardiac region bears, on either side of the median line, a 

 row of 3 spines that slightly decrease in size posteriorly; the two rows converge distinctly 

 backward, so that the tips of the two anterior spines are one and a half as far distant 

 from one another as those of the posterior pair. There is a spine at the antero-lateral angle 

 of the carapace; between it and the cervical groove are 2 smaller teeth, of which the anterior 

 is larger than the other, there are, finally, 5 or 6 small, acute teeth on the anterior border of 

 the carapace between the large spine at the antero-lateral angle and the antennular segment. 



Abdominal somites densely punctate, for the rest smooth. Antennular segment anteriorly 

 with 2 sharp spines and with 2 somewhat smaller ones behind them ; the latter are a little 

 farther distant from one another than those of the anterior pair. The right spine of the posterior 

 pair is a little smaller than the left, but a fifth spine of the same size stands behind it, some- 

 what more laterally. Tracés of two very small spines are moreover observed between the 

 anterior and the posterior pair. 



