1893.] NATURAL SCIENCES OF PHILADELPHIA. 121 



Habitat. Mediterranean. 



350. (Id) Nice, France. Guerin Collection. 



NEMATOCARCINUS A. Milne-Edwards, 1881. 

 Eumiersia S. I. Smith, 1882. 

 N. cursor A. Milne-Edwards, 1881. 

 Habitat. Deep water of the Atlantic. 



87. (la) Martha's Vineyard, 551 fathoms. U. S. Fish Commis- 

 sion, 1885. 



N. ensiferus (S. I. Smith, 1882). 

 Eumiersia ensifera S. I., Smith, 1882. 



Habitat. Deep water of Atlantic. 



88. (2a) Martha's Vineyard, 1168 fathoms. U. S. Fish Commis- 

 sion, 1884. 



OPLOPHORUS H. Milne-Edwards, 1837. 



Xiphocaris Martens, 1872. 



O. elongatus (Guerin, 1856). 

 Hippoiyte elongata Guerin, 1856. 

 0. americanus Saussure, 1858. 

 Xiphocaris elongata Martens, 1872. 



Habitat. West Indies. 



396. (2a) San Domingo, West Indies. W. M. Gabb. 



PALAEMONFabricins, 1798. 



P. acanthurus Wiegmaun, 1836. 

 P. forceps H. Milne-Edwards, 1837. 

 Bit hynis forceps Sp. Bate, 1887. 



Habitat. East coast of tropical America. 



82. (2a) San Domingo, West Indies. W. M. Gabb. 



83. (la) St. Martin, West Indies. Dr. J. Van Rijgersma. 

 84 & 85. (xa & la) Panama. McNeil Expedition. 



P. acutirostris Dana, 1852. 



Habitat. Pacific region. 



124. (xa) Sandwich Islands. No donor's name. 



P. africanus Kingsley, 1882 (No. 81 type). 



Habitat. West Africa. 



81. (3a) West Africa. P. DuChaillu (Kingsley 's type). 



P. carcinus (Linnaeus, 1758.) 

 Cancer carcinus Linnaeus, 1758. 



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