36 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 24 



Remarks: Spence Bate (1866, p. 277) reported Porcellana edwardsii 

 from Esqulmault Harbor, Vancouver Island, an obviously erroneous 

 record. As noted by S. I. Smith (1880, p. 209, footnote), the listing 

 by Spence Bate of a number of tropical and subtropical crabs from 

 Vancouver Island must have been due to an admixture of collections. 



Specimens from the Gulf of California questionably referred by 

 Lockington (1878) to this species (as Petrolisthes edtuardsius) were 

 Petrolisthes hirtispinosus Lockington. The first substantiated record 

 since the original description is that of Nobili (1901b), based on a 

 specimen collected by Enrico Festa at Isla Flamenco, Panama (not 

 Ecuador). This record was evidently the basis for the range "Gulf of 

 California to Ecuador" given by Rathbun (1910). 



Two specimens from Islas de las Perlas, Panama, reported by Boone 

 (1931) as Petrolisthes galathinus (Bosc), were examined by the 

 writer. One proved to be P. edwardsii, the other P. marginatus Stimp- 

 son. The specimen identified with P. edwardsii by Boone in the same 

 paper should be referred to P. agassizii Faxon. 



Schmitt (1924a), reporting Petrolisthes edwardsii for the first time 

 from the Galapagos Islands, called it the "scarlet tissue crab." 



Range: Bahia de Santa Maria and Bahia de la Magdalena, Baja 

 California; Los Frailes near the mouth of the Gulf of California south 

 to Isla La Plata, Ecuador; Isabel, Tres Marias, Revillagigedo, and 

 Galapagos Islands. Shore to about 20 fathoms. 



Petrolisthes galathinus (Bosc) 



Plate 19. fig. 4 



Restricted synonymy: 



Porcellana galathina Bosc, 1801 (or 1802), p. 233, pi. 6, fig. 2 (type 

 locality unknown). Latreille, 1802 (or 1803), p. 76 (type locality 

 restricted to Antilles). Not Say, 1818, p. 458. 



Porcellata sexspinosa Gibbes, 1850, p. 190 (type locality, Key West, 

 Florida). 



Porcellana danae Gibbes, 1854, p. 11 [new name for Porcellana boscii 

 of Dana, 1852, p. 421 ; 1855, pi. 26, fig. 11 ; not Petrolisthes boscii 

 (Audouin)]. Not P. danae Heller, 1865, p. 74. 



Porcellana egregia Guerin, 1855, pi. 2, fig. 1 (type locality, Cuba). 



Petrolisthes sexspinosus, Stimpson, 1858, p. 227. 



Petrolisthes occidentalis Stimpson, 1858, p. 227 (listed only; type local- 

 ity, Panama); 1859, p. 73 (description). Streets, 1871b, p. 240. 

 Lockington, 1878, pp. 395, 399. Faxon, 1893, p. 75; 1895, p. 69. 



