136 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Measurements. — Male (32710), total length of carapace 55, width of 

 same 121, width at anterior base of lateral spine 91.3, fronto-orbital 

 width 36, width of front (4 teeth) 6.7 mm. 



Habitat. — Lives in rather shallow water close to the shore but is 

 sufficiently adroit as a swimmer to escape the dangers of the tumbling 

 surf. (Hay and Shore.) 



Range. — From Vineyard Sound, Mass., to State of Santa Catharina, 

 Brazil. 



Material examined. — 



MASSACHUSETTS.— Vineyard Sound; in gulf-weed; October 10, 

 1905; Bureau of Fisheries; 10 young (33125). 



NEW JERSEY.— South Cape May; October 20, 1928; H. G. 

 Richards; 1 male (61997) from Univ. Penna. 



VIRGINIA.— Smith's Island; October 1, 1897; Charles W. Rich- 

 mond and William Palmer; 5 specimens (20588); common oft' 

 shore; the red drum comes in to feed on them. Cape Charles; 

 sandy beach; August 20-21, 1921; W. C. Schroeder, Bureau of 

 Fisheries; 2 males, 2 females, all immature (57151). 



NORTH CAROLINA.— Off Cape Hatteras; surface; June 5, 1885; 

 Albatross; 1 young (15029). Shackleford Banks (inside), Beaufort; 

 September 12, 1928; Schmitt and Shoemaker; 2 specimens (62453). 



FLORIDA.— 4 specimens (2029). Indian River; 3 male and 

 female (2079). Norris Cut, Miami; April, 1901; J. E. Benedict; 



4 males (25560). Lignum Vitae Lake, 1% miles ESE. of Eagle 

 Nest Key; from Sargassum; February 4, 1903, station 7456, Fish Hawk 

 1 young (61049). Sarasota Bay, in Longboat Pass, S. end of Anna 

 Maria Key; close to shore; July 7, 1929; Wm. W. Wallis; 1 female 

 (62736). Tortugas; from floating gulf weed; July 31, 1926; C. R. 

 Shoemaker; 1 young (62454). Pensacola; from fish stomach; 1882; 

 Silas Stearns; 1 male, 2 females (4508). Off Pensacola, near the 

 Life Saving Station; Benjamin Harrison; 1 female (17994). 



TEXAS.— Galveston; M. A. Davey; 1 specimen (18905). San 

 Bernardo River; New York Aquarium; 1 male (returned to sender). 

 Corpus Christi Bay; November 27-30, 1891; B. W. Evermann; 



5 males, 1 female (17110). 



JAMAICA. — Montego Bay; caught in seine near shore; June 24, 

 1910; C. B. Wilson; 1 male (42851). Kingston Harbor; 1893; 

 R. P. Bigelow; 1 male (17978). 



PORTO RICO.— 1899; FisTi Hawk: Palo Seco, San Juan Harbor; 

 January 13; 3 young males, 1 young female (24471). Between Palo 

 Seco and Catano, San Juan Harbor; January 13; 2 young males, 3 

 young females (24472). Mayaguez; in seine; January 19; 4 males, 2 

 females, 1 young (24473). Mayaguez; on coral reef; January 20; 

 4 males, 7 females (24474). Boqueron Bay; January 27; 1 young 

 male, 1 young female (24475). Playa de Ponce; January 31; 1 



