Boone, Crustacea, Cruises of ''Eagle" and "Ara," 1921-28 187 



Synonymy. — AmpJiitrite depressifrons Stimpson, Ann. Lye. Nat. 

 Hist. N. Y., vol. 7,' p. 58, 1859. 



Achelous depressifrons Stimpson, op. cit., p. 223, 1860. — A. Milne 

 Edwards, Arch. Mus. Hist. Nat., vol. 10, p. 342, 1861 ; Miss Sci. 

 Mex., t. V, p. 230, pi. 40, figs. 4-4a, 1879.— Coues, Proc. Acad. 

 Nat. Sci. Phila. for 1879, p. 121.— Kingsley, Proc. Acad. Nat. 

 Sci. Phila., p. 5, 1878. — Rankin, Ann. N. Y. Acad. Sci., vol. 11, 

 p. 233, 1898. 



Achelous depressifrons Verrill, Trans. Conn. Acad. Arts and Sci., 

 vol. 13, p. 391, text fig. 36, pi. 20, fig. 3, 1908. 



Neptunus depressifrons Miers, ''Challenger" Zool., Brachyura, vol. 

 17, p. 181, 1886.— Rankin, op. cit., vol. 12, p. 531, 1900. 



Portunus (Achelous) depressifrons M. J. Rathbun, Bull. Labr. Nat. 

 Hist. State Univ. Iowa, p. 27, 1898 ; Bull. 20, part, 2, U. S. Fish. 

 Comm., p. 45, 1901 ; Amer. Nat., vol. 34, p. 140, 1900.— Rapport 

 betreffende een vooloopig onderzoek naar den toestand van de 

 visscherij en de industrie van zeeproducten in de Kolonie Cur- 

 agao, vol. 1, p. 332, 1907. 



Neptunus (Achelous) depressifrons Milne Edwards and Bouvier, 

 Mem. Mus. Comp. Zool., vol. 47, p. 312, 1923. 



Genus : LUPELLA Rathbun. 

 Lupella forceps (Fabricius). 



Plate 64, figs. A and B. 



Diagnostic characters : Chelipeds long and slender, more so in the 

 male than in the female ; fingers exceedingly attenuated, longer than 

 the maximum width of the carapace, including the lateral spines. 



Type: Fabricius simply states: "Hahitat in Oceano." 



Distribution : Rather rare in the "West Indies. Taken at only four 

 stations by the "Fish Hawk" Porto Rican cruise. Pelagic. 



Material examined: One large male and one large ovigerous fe- 

 male taken in Guantanamo Bay, Cuba, February 4, 1924, by the 

 "Ara," William K. Vanderbilt, commanding. One young specimen 

 taken in dragnet. Port Antonio, Jamaica, 6 A. M., February, 1926. 

 One large male from the same locality ; color plate made by Mr. W. E. 

 Belanske. 



