143 
maxillipeds. Antennule scarcely of medium length, with sets of medium length. Antenne 
3-jointed, first joint short, the third longer than the second, but shorter than the seta. Mouth 
rather large, with mouth-border of medium breadth. Basal joint of the maxillee smooth. Ma- 
xillipeds middle-sized, proximal part of the basal joint with some transverse lines of short, fine 
hairs on their anterior side; second and third joints separated, the last joint ending digitated in 
four or five points. Sub-median skeleton very powerful, naked, with a double list between head 
and trunk somewhat behind the base of the maxillipeds. Lateral margin of the head has a 
tolerably broad longitudinal belt of short and fine hairs. Trunk naked; trunk-legs normal. 
Genital area (fig. 6i) much narrower than the head: the solid chitine really consists of two 
halves, each of them forming an oblique, irregular arch, which begins within the genital 
aperture a little behind the anterior angle of its lips, whence it continues very close to the 
lips, following their direction to the posterior angle, then advancing forward and outward 
in an oblique line; its anterior extremity curving a little inward; the two arches connected 
between the genital apertures are strongly curved and placed at a pretty considerable 
distance from each other. The caudal stylets are somewhat apart and comparatively far 
from the genital area; their setee have no doubt fallen off. The skin between the genital 
apertures is closely covered with very short and fine hairs, which also extend somewhat 
further backward, though not nearly as far as to the caudal stylets; besides, a tolerably 
large part of the chitinous arches — not their anterior part, however, — is furnished with 
fine hairs. 
MALE. It is large in proportion to the female (fig. 1b: fig. la), indeed quite ex- 
ceptionally so, namely 69mm. long and 53mm. broad. The head occupies only between a 
third and a fourth of the whole body, consequently it is very short and also narrow, compared 
with the large trunk (fig. Ga—6b). The frontal border somewhat produced; the margin 
evenly curved, without cup, naked. Setee of the antennul tolerably long. Antenne (fig. 6c) 
seem to be 4-jointed; the basal joint short and coalescent with the skeleton of the head; 
the connective membrane between the third and fourth joints is long, the terminal seta very 
long, yet somewhat shorter than the antenna, with a transverse division not very far from 
the base. Mouth as in the female. Mavxillule (fig. 6d) with two long principal branches, 
the anterior one the longest, and at the base of it an extra branch of about half of its 
length; the additional branch (e’) is long, and its basal part forms a pretty thick, articulated 
foot. Maxille as in the female. Maxillipeds tolerably long; basal joint powerful, its 
inner margin armed with a pair of rather short, pointed processes (fig. 6e); its anterior 
surface is decorated in a peculiar way by scattered areas covered with long hairs alternating 
with partly large groups of very small, transverse eminences supplied with very short hairs; 
its other sides are decorated in a more or less similar way; second and third joints separated ; 
the terminal joint ending in at least a couple of points. The first pair of processes of the 
sub-median skeleton short and blunt, the second pair long and projecting straight backward; 
