NO. 8 HAIG : THE ATLANTIC GALATHEIDEA 33 



Notes on the color of living specimens were given by Hay and Shore 

 (1918) and by Andrews (1911); the latter author found differences 

 in color pattern in the two sexes. 



Porcellana sigsbeiana A. Milne Edwards 



Porcellana sigsbeiana A. Milne Edwards, 1880, p. 35 (type localities, 

 Blake Stas. 49, off delta of the Mississippi, 118 fms; 36, N of 

 Yucatan, 84 fms; 142, Flannegan Passage [Virgin Islands], 27 

 fms). Smith, 1883, p. 25. Benedict, 1901, p. 137. A. Milne 

 Edwards and Bouvier, 1923, p. 292, pi. 1, fig. 6. Schmitt, 1935, 

 pp. 189, 190. Chace, 1942, p. 102. 

 Previous records. — 

 Massachusetts, off Marthas Vineyard, 134 fms: Albatross (Smith). 

 North Carolina: (Schmitt). Gulf of Mexico, off delta of the Miss- 

 issippi, 118 fms, and N of Yucatan, 84 fms: Blake (A. Milne Ed- 

 wards). Cuba, 195-215 fms: Atlantis (Chace). Flannegan Passage 

 [Virgin Islands], 27 fms: Blake (A. Milne Edwards). 



Material examined. — None from the Hancock collections. 

 Remarks. — Known from 27 to 215 fathoms. 



Porcellana stimpsoni A. Milne Edwards 



Porcellana sti?npsoni A. Milne Edwards, 1880, p. 35 (type locality, 

 Woman Key, Florida). Benedict, 1901, p. 137. A. Milne Ed- 

 wards and Bouvier, 1923, p. 292, pi. 1, figs. 4-5. 

 Previous records. — 

 Florida, Woman Key: W. Stimpson (A. Milne Edwards). 

 Material examined. — None. 



MEGALOBRACHIUM Stimpson, 1858 

 Megalobrachium poeyi (Guerin) 



Porcellana poeyi Guerin, 1855, pi. 2, fig. 4 (type locality, Cuba) ; 

 1857a, p. xvi ; 1857b, p. xxxix, pi. 2, fig. 4. 



Megalobrachium granuliferum Stimpson, 1858, p. 228 (nomen nu- 

 dum) ; 1859, p. 76 (type locality, Barbados and St. Thomas). 

 Benedict, 1892, p. 77. Rathbun, 1899, p. 628. Doflein, 1899, 

 p. 182. 



Megalobranchium granuliferum Young, 1900, p. 397. 



Megalobrachium poeyi Benedict, 1901, p. 136, pi. 3, fig. 8. A, Milne 

 Edwards and Bouvier, 1923, p. 297. Schmitt, 1924a, p. 76; 

 1924b, p. 90; 1935, p. 183, text-fig. 45; 1936, p. 375. 



