THE SPIDER CRABS OF AMERICA 307 



Off Vieques, Porto Rico; Point Mula Lighthouse, S. SW. ^ W., 

 53^4: miles; 14 fathoms; Co. S. Sh.; temp. 25.6° C; Februarys, 1899; 

 station 6085, Fish Hawk: 1 young (24160). 



Off Vieques, Porto Rico; Culebrita Lighthouse, NE. %, E., 1}4 

 miles; 16 fathoms; Co.; temp. 25.2° C; February 10, 1899; station 

 6092, Fish Hawk; 1 young (24161). 



Off Humapao, Porto Rico; Hucares, NW. ^ W., 2}4 miles; 9^ 

 fathoms; Co.; temp. 26° C; February 14, 1899; station 6099, Fish 

 Hawk; 1 young (24162). 



St. Croix (Copenhagen Mus.). 



Barbados; Theodore N. Gill; 1 male (1268, M. C. Z.). 



Bahia, Brazil (Copenhagen Mus.). 



Rio Vermelho, Bahia, Brazil; February 6; R. Rathbun, Hartt 

 Explorations, 1875-1877; 1 specimen (19945). 



Bermuda; L. L. Mowbray; 1 male (Amer. Mus.). 



Locality not given : 1 carapace of type, original of Herbst's plate 18, 

 figure 102 (Berlin Mus.). 



Genus HOLOPLITES Rathbun 



Holoplites Rathbun, Proc. U. S. Nat. Mus., vol. 17, 1894, p. 64; type, 

 H. armata (A. Milne Edwards). 



Carapace pyriform, covered with sharp spines of unequal length. 

 Rostrum composed of two long, slender, divergent horns. Orbits 

 open, armed %vith an anterior, a superior, a posterior, and an inferior 

 spine; anterior spine long. Basal antennal segment very narrow, 

 spinous. Antero-internal margin of the merus of the maxillipeds 

 oblique, not notched for the articulation of the palpus; antero-exter- 

 nal angle expanded. Abdomen of female with the fourth, fifth, and 

 sixth segments coalesced. Chelipeds and merus of ambulatory 

 legs spinous. Contains only one species. 



HOLOPLITES ARMATA (A. Milne Edwards) 



Plate 108; plate 245, figs. 6-8 



Nibilia armata A. Milne Edwards, Crust. R4g. Mex., 1880, p. 348, pi. 31 A, 

 figs. 3-3 c (type-locality, Antilles; cotypes in M. C. Z.); Bull. Mus. 

 Comp. Zool., vol. 8, December, 1880, p. 4 (St. Vincent, Grenadines, Bar- 

 bados; 88 to 180 fathoms. — A. Milne Edwards and Bouvier, Mem. 

 Mus. Comp. Zool., vol. 47, 1923, p. 386, text-fig. 20. 



Holoplites armatus Rathbun, Proc. U. S. Nat. Mus., vol. 17, 1894, p. 64. 



Diagnosis. — Covered with sharp spines. Rostral horns divergent. 

 Antero-internal angle of merus of maxillipeds not notched. 



Description.- — Preorbital spines much elevated, about half as long 

 as the rostral spines and longer than the other spines of tlie carapace. 

 Postorbital spine remote from the orbit; below and behind it there 

 is a subhepatic spine. The basal antennal segment bears a long 

 spine at the antero-external angle, and a shorter lateral spine; almost 



