272 CRABS OF THE FAMILY PERICERIDA—RATHBUN. 3 
(14058), Key Vaccas (15087), Nights Key (15085), Big Pine Key (15086) ; H. 
Hemphill. Key West; H. Hemphill (13816), (Union College Coll.), U.S. 
Fish Commission, 1884 (16303). Bird Key; U. S. Fish Commission, 1889 
(15208). 
Bahamas: Andros Island (Stearns Coll.) ; New Providence (16310), Abaco (16304) ; U.S. 
Fish Commission, 1886. 
Jamaica; U. 8. Fish Commission, 1884 (15821); T. H. Morgan, 1891. 
Swan Island; C. H. Townsend, 1887 (13984). 
Barbados; U. 8. Eclipse Expedition, 1890 (14885). 
St. Thomas (7650), Old Providence (16199); U. S. Fish Commission, 1884. 
Previously recorded from Fernando Noronha, 7 to 20 fathoms. 
Mithrax coronatus (Herbst). 
Cancer coronatus Herbst, Natur. der Krabben und Krebse, 1, p. 184, pl. x1, fig. 63, 
1782. 
Cancer coryphe Herbst, op. cit., m1, p. 8, 1801. 
Mithraculus coronatus White, Cat. Brit. Mus. Crust., p. 7, 1847 (partim). Stimpson, 
Amer, Jour. Sci., Xx1x, p. 132, 1860; Ann. Lye. Nat. Hist. N. Y., VII, p. 186, 1860; 
Bull. Mus. Comp. Zool., 1, p. 118, 1870. Smith, Trans. Conn. Acad., 11, pp. 1, 32, 
1869; Amer. Jour. Sci., xLvut, p. 389, 1869. A. Milne Edwards, Miss. Sci. au 
Mexique, pt. 5, 1, p. 106, pl. xx, fig. 1, 1875. Kingsley, Proc. Acad. Nat. Sci. 
Phila., XXXI, p. 388, 1879. Aurivillius, K. Sv. Vet.-Akad. Hand., Bd. 23, 1, p. 
58, pl. 111, fig. 8, 1889. 
Mithrax sculptus (Desbonne and Schramm, Crust. de la Guadeloupe, p. 9, 1867). 
Mithrax coronatus Miers, Challenger Rept., Zool., xvu, pp. 87, 89, 1886. Pocock, 
Jour. Linn. Soc, London, xx, p. 510, 1890 
RECORD OF SPECIMENS EXAMINED, 
Florida: 
Indian Key, H. Hemphill (15083); Key West, H. Hemphill (15082), (Un‘on Col- | 
lege Coll.). | 
Abaco, Bahamas; U.S. Fish Commission, 1886 (11374). | 
Jamaica; T. H. Morgan, 1891. | 
St. Thomas; U. S. Fish Commission, 1884 (16200); Hartt Explorations, 1870. | 
Brazil; R. Rathbun, Hartt Explorations, 187577: Pernambuco; Rio Formoso, Per- 
nambuco; Mar Grande, Bahia; Fernando de Noronha. 
Found also in Central America and in the West Indies to 30 fathoms. 
Mithrax denticulatus Bell. 
Mithrax denticulatus Bell, Trans. Zool. Soc. London, 11, p. 54, pl. x1, fig. 2, 1836. 
Miers, Challenger Rept., Zool., xvii, p. 87, 1886. 
Mithraculus denticulatus White, Cat. Brit. Mus. Crust., p. 7, 1847. Stimpson, Amer. 
Jour. Sci., XX1x, p. 132, 1860; Ann. Lyc. Nat. Hist. N. Y., v1, p. 187, 1860. A. 
Milne Edwards, Miss. Sci. au Mexique, pt. 5, 1, p. 109, pl. xx1u, fig. 4, 1875. 
Entire length of carapace in largest male, 13; width, including spines, 
19 millimeters; in another male, length, 12; width, 16.8 millimeters. 
Panama; Capt. John Dow (3209). 
This species ranges from California to Ecuador. | 
