REPORT ON THE AMPHIPODA. 867 



Zaramilla kergueleni, n. sp. (PI. LXVL). 



Back round, not broad, the animal compressed ; head a little angularly advanced 

 between the upper antennae, medic-lateral lobes but little advanced ; postero-lateral angles 

 of the first two pleon -segments acute, of the third, which is the longest, right-angled. 



Eyes large, dark, oval, placed, near the front margin, with no great interval on 

 the top of the head. 



Upper Antenna. — The peduncle as long as the flagellum, the first joint much 

 thicker and somewhat longer than the second, which is thicker and longer than the 

 third, all three with setae on the lower margin ; the third as long as the first three or 

 four joints of the eleven- or twelve -jointed flagellum ; on some of the joints of the 

 flagellum, besides setae, were long and broad cylinders, and also short ones, in the male 

 also calceoli. 



Loiver Antennse. — First joint little expanded, gland-cone small and. little prominent, 

 third joint very short ; fourth joint broader, but a little shorter, than the fifth, both 

 these with setae on the lower margin ; flagellum of fourteen joints, for the most jaart 

 longer and shorter alternately, the longer being also more expanded distally, and, in 

 the male, carrying small calceoli. 



Upper Lip very broad, the distal margin rather irregularly convex ; in the 

 specimen figured this is folded back, probably by accident. 



Mandibles. — Cutting edge divided into five or six strong teeth ; the secondary 

 plate on the left mandible similarly divided ; on the right mandible the cutting edge 

 does not seem to antagonize squarely with that of the left mandible, its secondary 

 plate is of much slighter construction, by no means as on the other mandible a reduced 

 duplicate of the cutting edge, but laminar, the apex divided into two portions, each 

 with a gaping, serrate emargination, so that four terminal teeth are formed, of which 

 the central two overlap ; the spine-row of numerous, seven or more, long, curved, 

 pectinate spines ; the molar tubercle prominent, with denticulate crown ; the palp set 

 well forward, just over the molar tubercle, the first joint short, the second rather 

 longer than the third, fringed for the greater part of its length on and near the inner 

 margin with slightly plumose setae, the third joint a long oval, pointed at the apex, 

 fringed like the second, and also carrying on the outer surface, near the base, a trans- 

 verse row of eight set;© of various sizes ; an articular process stands out between the 

 molar tubercle and the base of the palp. 



Lower Lip short but very broad, forward lobes little dehiscent, the broad apical 

 and inner margins well ciliated ; inner plates faintly distinct. 



First MaxiUie-. — Inner plate broad, narrowing to the apex, fringed with a dozen 

 plumose setae, of which the apical is the longest ; outer plate carrying on the apical 

 margin nine multidentate spines, of which the innermost is straight ; the large second 



