604 CRUSTACEA. 



margin in its outer half, and in this part is very straight and subulate, 

 and on a level with the back of the carapax ; three of the teeth above 

 are posterior to the base of the eyes. The spine below the eyes, and 

 that on the lateral surface, a little distance back, are very small. The 

 last abdominal segment is acute, without lateral spinules. 



PENJJUS VELUTINUS. 



Carapax abdamenque omnino breviter velutini. Rostrum rectum, bene 

 lanceolatum, e basi ascendens, usque ad apicem supra denticulatum, 

 dentibus septem ceque dispositis, allero paulo posteriore, infra integrum, 

 ciliatum, rectum. Dorsi carapacis dimidium posticum non carinatum 

 nee sulcatum. Pzdes 2di Stiique subcequi. Maxillipedes externi longi, 

 pubescentes. Segmentum caudale utrinque minute armatum. Fla- 

 gella antennarum internarum brevissima, drticulum ultimum parce 

 superantia. 



Carapax and abdomen covered throughout with a very short velvety 

 coat. Beak straight, lanceolate, somewhat ascending from its base, 

 dentate to apex, seven teeth equidistant, and one more posterior, 

 below entire, straight, ciliate. Beak of carapax not carinate nor 

 sulcate in posterior half. Feet of second and third pairs subequal. 

 Outer maxillipeds long, pubescent. Caudal segment armed with 

 minute spinules either side. Flagella of inner antennae very short, 

 but little longer than last basal joint. 



Plate 40, fig. 4, animal, twice the natural size. 

 Dredged at Lahaina, Sandwich Islands. 



Length, one and three-fourths inches. The eyes are quite large, 

 but have a short base. The outer maxillipeds reach to apex of basal 

 scale of outer antennae. 



PEN^EUS INDICUS, Edwards. 

 Singapore. 

 Penceus indicus, EDWARDS, Crust., ii. 415. 



