The Amphipoda of Bermuda. 89 



Lower lip with large outer plates incised at apex ; mandibular pro- 

 cesses large and diverging; inner plates large and oval. First 

 maxillae with small triangular inner plates armed with short setae 

 on inner margin ; outer plates large, curved, with distal margin ob- 

 lique and provided with 8 or 9 branching toothlike spines ; palp 

 2-jointed, lirst joint l^/g times as long as broad, second joint thicker 

 than proximal and about 4 times as long as broad, rounded at apex 

 which is provided with slender conical spines. Second maxillae 

 with outer plates much broader at distal end than at proximal; 

 inner plate not quite as long as outer, triangular. Maxillipeds with 

 plates well developed ; inner plates extending as far as tirst joint 

 of palp with apex rounded and provided at inner distal angle with 

 2 stout teeth, external to which are 8 plumose spines ; outer plates 

 broad and large, extending as far as second joint of palp, provided 

 on inner margin with teeth which become longer toward apex and 

 pass over into long setae extending around apex to outer side ; 

 palp 4-jointed, tirst joint short, second nearly twice as long as wide 

 with many setae on inner margin ; third joint equal to lirst in length, 

 rounded apically where it is broader than at base, provided with 

 a fascicle of setae on outer distal angle and many setae on inner 

 margin ; fourth joint about -/s length of third, slender and curved, 

 bearing a stout spine apically which renders whole segment as long 

 as third. 



hi female, tirst gnathopods with epimeron produced anteriorly to 

 acute angle, ventral margin convex and provided with short setae 

 on anterior portion; second joint moderately slender, broader at 

 distal end which bears on anterior margin a semicircular lobe 

 with a short seta ; third joint broader than long ; fourth joint rather 

 slender, with posterior margin long and convex, bearing several 

 fascicles of setae, anterior margin short, distal end broader than 

 base and cup-shaped; wrist as long as third and fourth joints to- 

 gether, triangular, broader than hand, posterior margin with many 

 long setae, anterior margin with 2 toothlike spines on proximal 

 half, distal margin slightly concave ; hand subrectangular, twice as 

 long as broad, somewhat longer than wrist, anterior and posterior 

 submargins with numerous fascicles of setae, palm oblique and con- 

 vex, provided with many setae and a stout prehensile spine ; finger 

 rather long and stout with a few serrations distally on concave 

 margin. 



Second gnathopods with oval epimeron having ventral margin 

 armed with setae ; second joint with a number of short setae at proxim- 

 al end of anterior margin ; third joint much as in first gnathopod 



