42 KR. G. S. BEADY ON THE 



1. Flavia crassicornis, sp. nov. (Plate X. figs. 26-31.) 



Antennules very short and stout, two-jointed, moderately setiferous (fig. 26). Feet 

 of the first pair as in Dactylopus, the terminal ungues thick and hook-like (fig. 29) : 

 inner branch of the second pair (fig. 30) longer than the outer branch, very slender, 

 with truncate unarmed apex ; near the base there is on each margin an angular 

 prominence, from which springs a minute seta, and near the distal extremity on the 

 outer margin a rounded non-setiferous tubercle, nearly opposite to which, from the 

 inner margin, arise two long and delicate plumose seta?. Anterior foot-jaw simple, 

 elongated, with a slightly curved terminal unguis (fig. 27) ; posterior somewhat 

 similar, the hand armed with a long slender marginal spine and a strong curved 

 terminal unguis (fig. 28). 



A single specimen of this species occurred in a gathering from among alga? in 

 Lyttelton Harbour. The posterior antenna?, mandibles, and maxilla? were not seen 

 distinctly enough to permit of their being figured, but in general conformation are 

 similar to those of most Harpacticida?. 



Genus Phroso, gen. nov. 



Body slender ; in general appearance like Canthocamptm. First four pairs of feet 

 with both branches three-jointed ; feet of fifth pair foliaceous, unbranched. Internal 

 branch of antenna? two-jointed. Mandible strongly toothed, palp two-branched. 

 Anterior and posterior foot-jaws simple, with large terminal ungues and no palp. 



1. Phroso gracilis, sp. nov. (Plate XI. figs. 19-27.) 



Female.— Antennules eight-jointed, rather densely setiferous ; first four joints stout, 

 last three much more slender (fig. 20): lengths of the joints as in the following 



formula: . '"' a ' g ' ~ ' ' ' ' * > from the fifth joint arises a stout sensory filament. 



Antenna? (fig. 21) nearly as large as the antennules, three-jointed ; to the basal joint is 

 attached a two-jointed internal branch. Mandibles well developed (fig. 22), with sharp 

 slender teeth and a palp composed of a large basal joint and two single-jointed branches. 

 Maxilla? (fig. 23) small, lobose (imperfectly seen). Anterior foot-jaw (fig. 24) slender, 

 simple, geniculated, with a stout terminal unguis and three plumose seta? attached to 

 the second joint. Posterior foot-jaw (fig. 25) larger than the anterior, composed of a 

 single stout joint which bears a long falcate, terminal unguis. Basal joint of the fifth 

 pair of feet (fig. 27) short and broad, and bearing on each lateral angle a long seta; 

 terminal joint subovate, twice as long as broad ; apex narrow and truncate ; external 

 margin ciliated above, and below the middle having two long widely separated seta?. 

 Length 1*3 millim. Male unknown. 



Hab. One specimen taken in the surface-net, Port Chalmers. 



