32 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



Porcellana sagrai Guerin, 1855, pi. 2, fig. 5 (type locality, Cuba); 



1857a, p. xvi; 1857b, p. xxxix, pi. 2, fig. 5. 

 Percellana sagrai Martens, 1872, p. 122. 



^Porcellana robertsoni Henderson, 1888, p. Ill, pi. 11, figs. 6, 6a (type 

 locality. Challenger Sta. 24, off Culebra Island). Young, 1900, 

 p. 396. 



Previous records. — 

 North Carolina, off Cape Hatteras, 11-27 fms: Albatross (Smith); 

 Beaufort: W. Stimpson and T. Gill (Stimpson, 1860); Beaufort 

 Harbor and vicinity, and Fort Macon: (Hay and Shore). South 

 Carolina: (Gibbes, 1850). Georgia and Florida: (Say; Leach). Florida, 

 Sarasota Bay: H. E. Webster (Kingsley, 1880) ; W Florida, 19 fms: 

 Bache (A. Milne Edwards and Bouvier) ; Florida Keys: Wurdemann 

 (Stimpson, 1859). Bahamas, New Providence Island: Northrop (Rank- 

 in). Western Gulf of Mexico, Port Aransas, Texas: (Hedgpeth) ; 

 Louisiana, Texas, and northern Mexico: H. H. Hildebrand (Hilde- 

 brand). Mexico, Gulf of Campeche off Alvaro Obregon: (Hilde- 

 brand). Cuba: (Guerin); J. Gundlach (Martens). Jamaica: (Bene- 

 dict, 1892; Andrews). Puerto Rico, Bahia Boqueron, 14% fms: Fish 

 Hawk (Benedict, 1901); between Cayo Caribe and Cayo Parguera: 

 Sci. Surv. Porto Rico and Virgin Ids. (Schmitt, 1935). ? Culebra 

 Island, 390 fms: Challenger (Henderson). St. Thomas: A. H. Riise 

 (Stimpson, 1859); Challenger (Henderson). Antigua and Barbados: 

 Univ. Iowa Barbados-Antigua Exped. (Schmitt, 1924b). 



Material exa/nined. — 

 A4-39. Bahia Caledonia, Panama; Apr 3, 1939; 8-14 fms. 1?. 

 A 14-39. 2 mi SW of Cabo de la Vela, Colombia; Apr 8, 1939 ; 21-22 



fms. 29ov. 

 A24-39. Isla Cubagua, Venezuela; Apr 14, 1939; 2-5 fms. 1$. 

 A27-39. Isla Cubagua, Venezuela; Apr 15, 1939; 2-5 fms. 1 cf • 

 A28-39. Isla Cubagua, Venezuela; Apr 15, 1939; 2 fms. 1 cheliped. 

 A32-39. 3 mi N of Isla Coche, Venezuela; Apr 15, 1939; 19-33 fms. 

 4d, 2?ov, 



Measurements. — Males, 3.1 to 4.7 mm; non-ovigerous females, 4.0 

 and 5.4 mm; ovigerous females, 5.1 to 6.3 mm. 



Remarks. — Porcellana sayana is known from shallow water to 48 

 fathoms, and to 390 fathoms if P. robertsoni Henderson is this species 

 (Schmitt, 1935). Velero III specimens were recovered from bottoms of 

 mud and shell, sand, and sand and shell. They often live commensally 

 with hermit crabs, particularly Petrochirus bahamensis (Herbst). 

 Hildebrand (1954) found specimens attached to the decorator crab 

 Stenocionops furcata (Olivier). 



