262 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Actaea spinifera Kingslet, Proc. Acad. Nat. Sci. Philadelphia, vol. 31, 1879 

 (1880), p. 392 (type-locality, Plantation Key, Florida; type in Mus. Phila. 

 Acad.). 



Diagnosis. — Carapace, chelipeds and legs covered with conical 

 spines or tubercles; lateral lobes bordered with spines; fingers short, 

 channeled, rough except at tips. 



Description. — Carapace and feet covered with long hairs; lobules 

 of anterior portion of carapace very prominent, covered with pointed 

 tubercles or spinules, between which are deep smooth grooves. 

 Frontal lobes four, outer pair small, forming inner angle of orbit, 

 those of inner pair large, separated by a relatively broad median 

 U. Margin of front and orbits armed with spines. iVntero-lateral 

 margin cut into five lobes, each armed with thi*ee or four spines; 

 outer orbital angle also spinulous. Postero-lateral borders concave. 

 Posterior margia marked by rows of tubercles. Basal article of 

 antenna spinulous. Merus of outer maxillipeds tuberculate, margins 

 denticulate. Chelipeds subequal. Wrist and hand covered with 

 spines; fingers short, spinulous, blunt, and somewhat hollowed out 

 at tips; white at tips, remainder black, the black color extending in 

 old males over nearly the whole hand. Ambulatory feet spinous. 



Color. — Purphsh, pincers brown (Desbonne and Schi-amm). 



Measurements. — Male (56802), total length of carapace 22.3, 

 width 31, fronto-orbital width 15.8, width of front 9, width across 

 submedian lobes 5.8 mm. Female (48568) total length of carapace 

 22.3, width 32.4, fronto-orbital width 16.2, width of front 9.6, width 

 across submedian lobes 6.6 mm. 



Bange. — Florida Keys to Fernando Noronha, Brazil. To a depth 

 of 10 fathoms. 



Material examined. — 



Rodriguez Creek, Florida; 1884; Edward Palmer; 1 young (14428). 



Bird Key reef, Tortugas, Florida; W. L., Schmitt; gift of Carnegie 

 Institution: South end of reef; washed from seaweed from four rocks 

 cracked up; July 31, 1924; 1 female (59407). Mid-section; August 

 1, 1924; 1 male (59408). Low tide; June 7, 1925; station 25-6; 

 1 male, 1 female (60844). 



Florida; exact locality not given; possibly a topotype of A. spini- 

 fera; "Kingsley collection"; received from Boston Society of Natural 

 History; 1 male (56802). 



Nassau, Bahamas; AprU 15, 1902; Dr. George B. Shattuck; re- 

 ceived from Geographic Societ}^ of Baltimore; 1 female (31047). 



Cabanas, Cuba; 2 to 12 fathoms; sand, shell, grass to mud bottom; 

 Jime 8-9, 1914; Henderson and Bartsch, Tomas Barrera Exped., 

 station 16; caught by copper sulphating on reef; 1 female (48568). 



Kingston Harbor, Jamaica; 1893; R. P. Bigelow; 1 female (17966). 



Miragoane, Haiti; from coral; September 10, 1927; Walter J. 

 Eyerdam; 1 female (60716). 



