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128 Lawrence W .Powers<br />
Pinnixa sayana Stimpson, 1860 (Ann. Lye. Nat. Hist. New York 7: 236)<br />
Hay & Shore, 1918, p. 446, pi. 36, fig. 3; Rathbun, 1918, p. 156, text-fig. 98, pi. 34,<br />
figs. 2-4; Williams, 1965, p. 212, fig. 195; Felder, 1973a, p. 74, pi. 10, fig. 9; Schmitt,<br />
McCain & Davidson, 1973, p. 119.<br />
Range: Massachusetts to North Carolina; west coast of Florida; Louisiana;<br />
Amapa to Sao Pavilo, Brazil.<br />
Depth: surface to 75 m (to 41 fm).<br />
Habitat: free-swimming; on sandy beaches in drift material; from mud bottoms;<br />
in tubes of lugworm, Arenicola cristata.<br />
Remarks: Larval descriptions include 0. W. Hyman (1924), Lebour (1928),<br />
and Aikawa (1929, 1937). Regional lists include Louisiana (Behre, 1950).<br />
Schmitt, McCain and Davidson (1973) note that the host record of Arenicola<br />
may be due to synonymy of P. sayana with P. cylindrica by Hay and Shore<br />
(1918) and so may be in error. Listed from Brazil by Righi (1967), Rodrigues<br />
da Costa (1968a), Coelho (1971a) and Coelhoand Ramos (1972).<br />
Family GRAPSIDAE, Macleay, 1838<br />
Subfamily GRAPSINAE Macleay, 1838<br />
Geograpsus Stimpson, 1858<br />
Geograpsus lividus (H. Milne Edwards, 1837) (Hist. Nat. Crust., vol. 2. p. 85)<br />
Rathbim, 1918, p. 234, pi. 55; Rathbun, 1933, p. 87, fig. 80; Garth, 1965a, p. 26;<br />
Forest & Guinot, 1966, p. 91; Chace & Hobbs, 1969, p. 157, figs. 48, 52n-c.<br />
Range: Bermuda; Florida Keys, north and south coasts of Cuba; Jamaica;<br />
Puerto Rico; Virgin Islands to Barbados; Netherlands Antilles to Trinidad; Old<br />
Providence Island (Carib.); Caribbean coast of Colombia to Sao Paulo, Brazil;<br />
eastern Atlantic, from Senegal to Angola; Cape Verde Islands; eastern Pacific,<br />
from soutl.em part of Baja California to northern Chile; Clipperton Island; Galapagos<br />
Islands; Hawaiian Islands.<br />
Habitat: supralittoral, near the splash zone of rocky areas and stone beaches;<br />
from middle to upper intertidal, beneath stones.<br />
Remarks: Hartnoll (1965b) provided ecological notes on populations in Jamaica.<br />
Chace and Hobbs (1969) commented on ecology of this crab in Dominica.<br />
Listed from Braziil by Coelho and Ramos (1972) and Fausto Filho (1974).<br />
Goniopsis de Haan, 1833<br />
Goniopsis cruenlala (Latreille, 1803) (Hist. Nat. Crust., vol. 6, p. 70)<br />
Common Names: Mangrove Crab; Tree Crab<br />
Rathbun, 1918, p. 237, text-fig. 136, pi. 57; Rathbun, 1933, p. 87, fig. 81; Chace,<br />
19