THE CANCROID CRABS OF AMERICA 17 



Habitat. — Under stones toward high water mark to a few fathoms 

 and in tidal pools. 



Range. — Atlantic coast of the United States from Thomaston, 

 Maine, to New Jersey. Off Pernambuco, Brazil. Bay of Panama. 

 Also coasts of Europe and north Africa; Suez Canal and Red Sea; 

 Ceylon; Australia; and Hawaiian Islands. 



Abundant in Casco Bay; only one record farther east. Seen 

 swimming in Georges River at Thomaston, June, 1922, by William 

 Procter. 



Material examined. — 



MAINE. — Casco Bay; 1911; Rathbun and Dandridge: August; 

 It specimens (43727, 43728); color varieties. S. Harpswell; behind 

 laboratory; August 3; 1 specimen (43180). Vicinity of S. Harpswell; 

 August; 5 specimens (43161). Potts Point; August 5; 22 specimens 

 (43157). Potts Harbor; mud flats; August 10; 1 specimen (43159); 

 grey color. Mackerel Cove Point; August 7; 12 specimens (43158). 

 Ram Island; August 10; 3 specimens (43160). Basin Cove; very 

 low tide; August 11; 1 male (47971). 



MASSACHUSETTS.— Ipswich; October 29, 1903; Owen Bryant; 

 1 specimen (29935). Mattapoisett Harbor; November 1882; Wil- 

 lard Nye; 2 males, 3 females (5757). 



Vineyard Sound; U. S. Fish Comm.: 1875; 2 males, 1 female 

 (40118). 1882; 5 young (15020). 



Vicinity of Woods Hole; 1887; M. J. Rathbun; 3 males, 1 female 

 (32374). 



Great Harbor, Woods Hole; U. S. Fish Comm.: September 23, 

 1882; Willard Nye, jr.; 9 specimens (9160). July 30, 1892; 1 

 young (31483). 



Woods Hole; U. S. Fish Comm.: 1882; 2 males, 1 female (4901). 

 1882; Willard Nye, jr.; 1 male (9006), figured. Low water; moulted 

 August 28, 1883; 2 males (36968). August 5; T. Lee; 1 specimen 

 (36967). August 1885; 1 young (34921). 1885; 18 young (11019). 

 1887; Fish Hawk; 4 specimens (12729). January 9, 1888; V. N. 

 Edwards; 1 ovigerous female (13088). 1887; 6 specimens (40004). 



Naushon Island, Elizabeth Islands; August 15, 1882; U. S. Fish 

 Comm.; 1 young (40782). 



RHODE ISLAND.— Sakonnet Point; 1 specimen (9159). 



Newport Harbor; U. S. Fish Comm.: Shore; sand; 1880; 22 young 

 (36321). Shore; 1880; 15 young (36326). Lime Rock; with mussels; 

 July 24, 1880; 15 young (36310, 61062). 



Newport; 1880; U. S. Fish Comm.: Shore; 7 males and females 



(4534), 1 young (34012), 50 young, 1 shedding (36765), 2 young 



(40126). Outer shores; 1 young (40783). Shore; July 26, 3 young 



(34010), Sept. 2, 2 young (36779). Shore; in washings of Mytilus; 



79856—30 3 



