THE CRUSTACEA OE NEW JERSEY 293 



small. First antennae with first twio segments about equal in 

 length, third segment little less than second, and fourth or fla- 

 gellar segment about half length of third. First antennae reach 

 end of fourth segment of second antennae. Eatter with short 

 basal segment, second segment about twice length of first, third 

 segment half length of second, fourth segment little shorter than 

 third, fifth segment one and one-half longer than fourth, and 

 sixth or flagellar segment very short and about half length of 

 fifth. Maxillipeds with palp of twb segments. Mandibles with 

 palp of three segments. First, fourth and fifth thoracic seg- 

 ments equal in length. Second, third, sixth and seventh segments 

 equal, and three-fourths length of former. Epimera long and ex- 

 tremely narrow plates extending entire length of segments, not 

 separated off by distinct sutures. Abdominal length a little 

 less than one-fifth entire body length, and first six segments 

 fused into single segment equal to second thoracic segment in 

 lengith and without any trace of suture lines. Seventh abdominal 

 segment, or telson, narrow, elongated, and rounded posteriorly. 

 Uropoda with basal segm'ent long as upper branch and reaches 

 two-thirds length of telson. Inner lateral branch of uropoda 

 placed at hind end of basal segment, rounded behind, extends 

 remaining- third in telson length and reaches end of that seg- 

 ment. D'orsal or upper branch of uropoda not arching over 

 telson, but lies directly upon its dorsal surface, and extends to 

 end of peduncle, somewhat triangular in form, narrow, elongate 

 and with acute apex. First three pairs of legs prehensile, all 

 others ambulatory. First pair of legs larger and stronger than 

 two following pairs, and tooth on lower edge of propodus. 

 Brownish above, mottled with yellowish, and paler below. 

 Length 18 mm. (H. Richardson.) 



Remarks. — Found along the Atlantic coast from Virginia to 

 Greenland, and eastward to Europe. It lives in the sea, from 

 the surface to a depth of nineteen and one-half fathoms, in mud, 

 sand, shells, eel-grass and algae. In New Jersey it was origi- 

 nally described as Anthura brunnea, by Harger, from Great Egg 

 Harbor. 



