GAMMARIDEA. 895 



flagello longiore quam basis, Yk-articulato, tenuissimo, articulis ob- 

 long is, setis fere obsoletis. Pedes Ymi parvuli, manu oblong a, basi parce 

 latiore, apice truncato et valde excavato, apice inferiore acuta, digito 

 plus duplo longiore quam manus latitudo, carpo latiore, infra anguste 

 producto et subacuto. Pedes 2di pervalkli, manu subovatd, palmd 

 inferiore, rectiuscidd, vix depressd, minute spinidosd, digito longo, 

 carpo inter manum articulumque 2>tium anguste producto. Pedes 

 5ti Qti 7?ni sensim increscentes, setis minutissimis, ar.ticulo Mo lato. 

 Feminae : — Pedes Ymi 2dique parvuli; Ymi parce minores, manu 

 oblongd, marginibus fere parallelis, apice fere recti truncato, digito 

 non longiore quam manus latitudo; carpo infra subtriangulate pro- 

 ducto; manu 2dd formd simili, carpo sub manu elongate producto et 

 obtuso, articulo 2>tio infra multum producto. 



Male : — Epimerals very large. Antennaa of superior pair about one- 

 fourth shorter than inferior, flagellum sixteen-jointed, more than 

 twice as long as base ; second pair hardly half as long as the body, 

 last two joints of the base subequal, flagellum longer than the base, 

 fourteen-jointed, very slender, joints oblong, setaa nearly obsolete. 

 Feet of first pair quite small, hand oblong, sparingly broader at 

 base, truncate and deep excavate at extremity, lower apex acute, 

 finger more than twice as long as breadth of hand, carpus broader, 

 with a narrow, subacute prolongation below. Feet of second pair 

 very stout, hand large ovate, palm along under side nearly straight, 

 hardly depressed, minute spinulous, finger long, carpus with a 

 narrow prolongation below between hand and third joint. Feet of 

 fifth, sixth, and seventh pairs regularly increase in length, setae 

 very minute, third joint broad. 



Female: — Hand of first pair oblong, two margins nearly parallel, 

 truncate at apex, finger not longer than breadth of hand, carpus 

 with a short triangular or rounded prolongation below. Hand of 

 second pair a little larger but of similar form, carpus long produced 

 below hand, and obtuse or rounded at the extremity, third joint 

 also much produced. 



Plate 61, figs, la to /, male; g to v, female: — fig. la, male, en- 

 larged ; b, part of flagellum of superior antennae ; c, ibid, of inferior ; 

 d, hand of first pair ; e, ibid, of second pair ; f, part of fifth pair. — g, 

 female, enlarged ; h, i, 7c, I, m, parts of the mouth ; n, part of leg of 

 first pair; o, ibid, of second pair; p, ibid, of fifth pair; q, ibid, of 



