134 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Material examined. — 



CUBA.— 1914; Henderson and Bartsch, Tomas Barrera Exped.: 

 Ensenada de Cajon, off Cape San Antonio; station 11, May 22-23; 

 1 young (49169). Dimas Bay; station 5; bottom, mud and plants; 

 May 17; 1 male (49170). 



JAMAICA.— 1884; Albatross; 1 female (18290). T. H. Morgan; 1 

 male (17217). Montego Bay; caught in fish-pot; C. B. Wilson; 1 

 male (42872). Kingston: Surface, by electric light, 1884, W. Nye, 

 jr.. Albatross, 7 males, 2 females, (7838); April 7, 1928, C. R. Orcutt, 

 6 males, 5 females (62474). Kingston Harbor; P. W. Jarvis; 1 male, 



1 female (19360). 



HAITI. — Specimens in Paris Museum. 



PORTO RICO.— 1899; i^M Hawlc: San Juan Harbor between Palo 

 Seco and Catano; January 13; 1 arm (24506^. Mayaguez; in seine; 

 January 19; 1 female (24507). Mayaguez Harbor; 7 fathoms; sta- 

 tion 6059; 7 males (24509). Mayaguez Harbor; 7}^ fathoms; sta- 

 tion 6058; 4 males (24508). Off Puerto Real; 8X2 fathoms; sta- 

 tion 6074; 1 male (24510). 



ST. THOMAS.— Dredged; January 17-24, 188i; Albatross: 1 male, 



2 females (18547). 



MARTINIQUE. — Specimens in Paris Museum. 



Genus ARENAEUS Dana 



Arenaevs Dana, Amer. Journ. Sci., ser. 2, vol. 12, 1851, p. 130; tj^pe, A. cribrarius 



(Lamarck). 

 Euctenota Gerstaecker, Arch. f. Naturg., ♦ol. 22, pt. 1, 1856, p. 131; type, E. 



mexicana Gerstaecker. » 



Allied to Portunus. Differs in having the palate smooth or without a 

 longitudinal ridge; the two superior fissures of the orbit open through- 

 out their length, V-shaped; male abdomen narrower but not JL- 

 shaped as in Callinectes. 



Contains only two species. 



KEY TO THE SPECIES OF THE GENUS ARENAEUS 



A^ Four frontal teeth. One spine at distal end of manus cribrarius, p. 134. 



A^. Two frontal teeth. Two spines at distal end of manus mexicanus, p. 137. 



ARENAEUS CRIBRARIUS (Lamarck) 



SPECKLED CRAB; SIRI DA AREA (Brazil) 

 Plate 58, Figures 2 and 3; Plates 59 and 60 



? Ciri Obi Marcgrave, in Piso and Marcgrave, Hist. Nat. Brazil., 1648, p. 184. 



Portunus cribrarius Lamarck, Hist. Nat. Anim. sans Vert., vol. 5, 1818, p. 259 

 (type-locality, Brazil; type in Paris Mus.). 



Liipa maculata Say, Journ. Acad. Nat. Sci. Philadelphia, vol. 1, 1818, p. 445 (type- 

 localities, Georgia and Florida; types not extant). 



Lupea cribraria Milne Edwards, Hist. Nat. Crust., vol. 1, 1834, p. 452. — Des- 

 BONNE and Schramm, Crust. Guadeloupe, 1867, p. 38. 



