REPORT ON THE AMPH1PODA. 1527 



Lower Lip of very thin texture, the plates curved, rather narrow, tapering to an 

 acute apex, very minutely furred ; the mandibular processes produced, apically rounded. 



First Maxillae nearly as in Parapronoe campbelli, but the apex more acute, the 

 four marginal teeth more blunt. 



Second Maxillse shorter than the first, divergent at the base, then closely united as 

 far as the small projecting tooth or angle of the inner surface, then again diverging to 

 the nearly acute apex, the inner margin of each plate at this part having a little fold 

 and a setule near it. 



Maxillipeds nearly as in the species above named, but the inner plate less broad, with 

 a rather deep central indent on the distal margin, from which the sides slope away ; the 

 outer plates broad at the base, the spines within the inner margin less numerous or less 

 conspicuous than in the other species. The boat-shaped appearance of these oro-ans is 

 not indicated by the outline figures. 



First Gnathopods. — Side-plates deeper in front than behind, with a diagonal ridge 

 directed to the lower front corner. The limb differing in many points from that of 

 Parapronoe campbelli; the first joint with the upper part of the front maro-in 

 pectinate ; the wrist widens immediately from the broad neck, then narrows so that 

 the distal end is narrower than the neck, and projects scarcely more behind the 

 hand than in front of it, the hind margin very sinuous, pectinate, the short distal 

 margin behind the hand being also pectinate with fine teeth ; the hand is lono-er than 

 the wrist ; the finger half the length of the hand, bulbous at the base, the inner maro-in 

 rather sinuous. 



Second Gnathopods differing from those of Parapronoe campbelli in havino- the 

 first joint not bent, the hind margin of the wrist pectinate for a greater distance, its 

 apex acute and a little incurved, the irregularly pectinate inner or front margin of the 

 distal process very sinuous, at the base standing away from the hand, then bending 

 towards it and again away from it ; the hand is rather shorter than in the first pair but 

 broader, bent at the neck, then having both margins convex, the hinder pectinate, 

 the apex rather abruptly narrowed ; the finger more than half the length of the hand, 

 with concave inner margin. 



First and Second Perseopods scarcely differing in pattern from those of Para- 

 pronoe campbelli, except that in the first joint the lower part of the front maro-in is 

 a little concave ; the fourth and fifth joints in both are finely pectinate. 



Third Perseopods. — Side-plates almost semicircular, but bdobed, the circumference 

 being interrupted where the smaller front lobe meets the hinder ; on the inner surface 

 as usual a bent tongue-like process is directed backwards. The first joint very large, 

 as it were five-sided, the front margin being obtusely angled, the lower part not so lono- 

 as the upper, with a slight serration, the hind margin nearly straight, with the corners 

 strongly rounded, the lower margin between them straight ; a tract in front marked 



