500 CRUSTACEA. 



Bet^us ^equimanus. 



From medio pro/uncle incisus. Squama antennarum externarum basalts 

 basi paulo brevior ; spina externa perbrevis ; spina internarum basalis 

 prcelonga, articulo 2do multo breviore quam primus. Pedes antici 

 wqui, manu Icevi, compressd, digitis perbrevibus. Pedes 2di Stiis sat 

 longiores, articulo carpi Imo plus duplo longiore quam 2dus, 2do Stio 

 ^toque perbrevibus. Articulus pedum sequentium 2>tius omnino in- 

 ermis. 



Front with a deep emargination in place of beak. Basal scale of outer 

 antennse a little shorter than base, outer spine very short ; basal 

 spine of inner pair very long, second joint much shorter than first. 

 Anterior feet equal, hand smooth, compressed, fingers very short. 

 Feet of second pair longer than third, first joint of carpus more 

 than twice as long as second, second, third, and fourth, very short. 

 Third joint of following feet wholly unarmed. 



Plate 35, fig. 11a, body, enlarged four diameters ; b, upper view of 

 front. 



Along shores of Black Rocks, among sea-weeds, Bay of Islands, New 

 Zealand. 



Basal spine of inner antennas extends nearly to apex of second 

 joint. The hands are so turned over, when in their natural position, 

 that the moveable finger is below ; this finger is about one-third as 

 long as hand, and arcuate above. The hand of the second pair is 

 fully as long as three preceding joints. 



Bet^eus scabro-digitus. 



From leviter arcuatus, medio obsolete excavatus. Squama antennarum 

 externarum basalis mediocris, basi parce brevior, basin internarum 

 fere osquans ; flagellum late compressum ; spina externa brevis ; spina 

 internarum basalis longa. Pedes antici feminaB valde inoequi 9 manu 



