MAIOIDEA. 137 



prominente subaauto armatd, et pone hunc tuberculum tuberculo altero 

 minore. Rostrum apiae pubescens ; quoque carapacis quidam tiiberculi 

 pubescentes. Pedes antici margines hirsuti, manu triyond, marginibus 

 salientibus, inceque dentatis, brack io marginem antlcum minutd eroso 

 et superficiem minute spinulo-so. Pedes 8 postici tenuissimi, breviter 

 pubescentes. 



Carapax not oblong, rhombic in outline or nearly square, broadest at 

 middle, behind and laterally rounded, anteriorly triangular, not nar- 

 rowed behind the eyes, upper surface uneven, with small tubercles, 

 over base of second pair of feet in branchial region a prominent sub- 

 acute tubercle, and another smaller just posterior. Beak hairy at 

 apex, also some of the tubercles of the carapax pubescent. Ante- 

 rior feet with the margins hairy, hand trigonal, edges salient and 

 unequally dentate, arm with the front margin minutely erose, as 

 well as hairy, surface minutely spinulous. Eight posterior feet 

 very slender, short pubescent. 



Plate 6, fig. 7 a, animal, natural size ; b, under view. 



Peejee coral reefs, near Mathuata, island of Vanua Lebu; found 

 under loose stones on the reef; not abundant. 



Length, three-fourths of an inch. Carapax moderately convex. 

 Tufts of hairs on some of the tubercles, at apex of beak and over the 

 eyes. Obtuse triangular prominence on margin, a short distance 

 behind the eyes. Setaceous portion of exterior antennae not longer 

 than last joint of base. Basal joints nearly equal. Some of the teeth 

 of the hand obtuse, and others acute, edge hairy; carpus with a few 

 minute spiniform tubercles. 



LAMBRUS GRACILIS. 



Carapax paulo oblongus, subdeltoideus, postice latior, antics anguste elon- 

 gatus, pone oculos constrictus ; regione mediand non tuberculatd, car- 

 diacd unispinosd et in eddem lined transversd spinuld remotd; rostro 

 non latiore quam longiore, deftexo, obtuso, lateraliter prope medium 

 angulato ; marginibus carapacis lateralibus rotundato, utrinque 6-7- 



35 



