ANOMOURA GALATHEIDEA. 453 



Beak lamellar, elongato-triangular, acute, entire, at base above the 

 eyes furnished with a minute tooth. Carapax acute at the antero- 

 lateral angles; surface marked with few transverse lines (about 

 eight), which extend across with few interruptions, no median area. 

 Abdomen near base either side rounded. 



Plate 30, fig. 12 a, front, showing beak, much enlarged; b, second 

 and third joints of outer maxillipeds. 



Dredged at Lahaina, Sandwich Islands. 



Whole length, two and a half lines. The beak is somewhat con- 

 cave above. The second joint of the outer maxillipeds is much longer 

 than the third, and is entire on inner margin. 



Genus GRIMOTHEA, Leach. 

 Grimothea gregaria (Fabr.), Leach. 



Plate 31, fig. 1 a, animal, enlarged ; b, one of third, fourth, fifth, or 

 sixth abdominal segments, showing the sternum below ; c, back view 

 of stomach. 



Orange Bay, Tierra del Fuego ; abundant, swimming near the sur- 

 face of the water, hundreds being seen at once in every direction over 

 the harbour. 



Length, one to one and a half inches. Colour, deep red. Whole 

 length of exterior maxillipeds about equal to carapax. Each abdo- 

 minal segment with a small spine on the back, either side of middle. 

 Tarsus of second, third, and fourth pairs of legs longer than half the 

 preceding joint. Eyes oblong, hardly shorter than beak. Facets of 

 eyes square. Hand not stouter than rest of leg, fingers hardly longer 

 than half the hand. Hand and carpus densely pilose on inner side. 

 Six following legs very slender and long pilose. Tarsus long and 

 slender. Branchiae fifteen in number either side; eleven in outer 

 series; and four below the posterior branchiae of the upper series, 

 composed each of imbricate plates in two series. 



