34 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



Previous records. — 

 Cuba: (Guerin). Jamaica: (Benedict, 1892); J. E. Duerden (Rath- 

 bun). Puerto Rico, Salinas Cove and Guanica Harbor: Sci. Surv. Porto 

 Rico and Virgin Ids. (Schmitt, 1935). St. Thomas: A. H. Riise (Stimp- 

 son, 1859) ; (A. Milne Edwards and Bouvier). Martinique: F. Doflein 

 (Doflein). Barbados: T. Gill (Stimpson, 1859). Pelican Island [off 

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

 Colombia, Savanilla: (Benedict, 1901). Aruba: P. Hummelinck 

 (Schmitt, 1936). Curagao: C. J. van der Horst (Schmitt, 1924a). 



Material exainined. — 

 A50-39. Bahia Caledonia, Panama; Apr 26, 1939; shore. 3^*, 3? 



(1 ov). 

 A25-39. Isla Cubagua, Venezuela; Apr 14, 1939; shore. Icf, 2$. 



Measurements. — Males, 2.9 to 6.3 mm; non-ovigerous females, 2.8 

 to 3.9 mm ; ovigerous female, 4.6 mm. 



Remarks. — This species occurs in the littoral and to a depth of 25 

 fathoms (Schmitt, 1935). It has been found among rocks and associated 

 with corals. 



Boone (1931) reported M. poeyi from the Pacific coast for the 

 first time on the basis of a specimen collected at Isla Taboguilla, Pana- 

 ma. Two specimens taken by Velero III at Bahia de Salinas, Costa 

 Rica, and identified by S. A. Glassell, are identical with the Atlantic 

 examples. 



PORGELLANOPSIS Rathbun, 1910 

 Key to the Western North Atlantic Species 



Lateral margins of carapace without spines; chelipeds, walking 

 legs, and carapace naked or nearly so ; telson of abdomen with 7 

 plates rosea 



Lateral margins of carapace armed with spines; chelipeds, walking 

 legs, and lateral margins of carapace hairy; telson of abdomen 

 with 5 plates soriata 



Porcellanopsis rosea (Rathbun), n. comb. 



Porcellana rosea Rathbun, 1900, p. 148, pi. 8, fig. 3 (type locality, 

 Mamanguape, Brazil). 

 Previous records. — 

 Brazil, Mamanguape and Pernambuco at Ilha de Nogueira: A. W. 

 Greeley (Rathbun). 



