THE GRAP80ID CRABS OF AMERICA. 291 



convergent at the orbital angles. Regions well marked, surface 

 punctate. 



Front obliquely inclined, superior lobes smooth, inner pair wider; 

 lower edge sinuous, bilobed, sides parallel. 



Chelipeds with outer surface of arm and wrist lightly rugose, 

 palm almost smooth to naked eye, indistinctly granulate. Arm with 

 an obtuse subterminal tooth above, both lower margins denticulate; 

 inner angle of wrist rounded. Palm of male a little higher than its 

 middle length, upper edge a single granulate line, inner surface with 

 a short irregular ridge of tubercles near the distal end. Dactylus 

 with seven to nine depressed spinules above on the basal two-thirds. 

 Fingers with a widish gap. and an enlarged tooth near each end. In 

 the female the palm is half again as high as its middle length, the 

 dactylus has about four granules above near the base, the fingers gape 

 narrowly. 



Legs of the third pair about twice as long as carapace, their merus 

 two and one-third times as long as wide. Subdistal spine on the 

 merus sharp; last three joints densely tomentose. 



Last segment of abdomen a trifle longer than wide. 



Measurements. Male (New Haven), length of carapace 23, width 

 of same 28.3 mm. 



Range. From Woods Hole, Massachusetts, to Calhoun County, 

 Texas. 



Habits. Burrows in muddy salt marshes. 



Color. Carapace, dark plum-colored or bluish-black speckles 

 crowded on. a grayish ground, the grayish color showing very little 

 except on posterior part. Upper part of chelipeds, as shown when 

 flexed, similarly colored, but brighter; upper part of legs like cara- 

 pace. Greater part of palm yellowish. Under part of crab for the 

 most part grayish. 



Material examined. 



Woods Hole, Massachusetts; July 10, 1901; V. N. Edwards; 4 

 males, 2 females ovig. (45530) . 



Vicinity of Woods Hole, Massachusetts; M. J. Rathbun; 1 male 

 (32482). 



Wareham, Massachusetts; July 21, 1887; 4 males, 1 female (12782). 



New Bedford, Massachusetts; September, 1882; Willard Nye, jr.; 

 1 female (40517). 



Acushnet River, near New Bedford, Massachusetts; 1882; Willard 

 Nye, jr.; 3 females (5784). 



Newport, Rhode Island; shore; 1880; U. S. Fish Comm.; 1 male 

 (36747). 



Long Island Sound; Verrill and Smith (79, P. M. Y. U.). 



Beesleys Point, New Jersey ; Verrill and Smith (1201, P. M. Y. U.). 



Smiths Island, Virginia; Paul Bartsch; 1 male (20062). 



