CRUSTACEA 241 



Uca, It is known from Massachusetts to Florida 

 but is more common south of Virginia. 



Persephona punctata Linne (Purse Crab) 



PLATE XXV. Fig. 5 



An odd-looking- crab with a globular carapacc- 

 thickly covered with granules; legs also with numer- 

 ous granules; gray-brown; carapace about 1 to 1}4 

 inches in length, the same in width. A southern 

 species, common from Cape Hatteras southward. 

 One specimen was taken from the Xew Jersey coast 

 10 miles southeast of Barnegat Light. 



Planes minutus Linne (Gulf Weed Crab) 



PLATE XXV. Fig. 3 



Carapace rectangular, about as wide as long; 

 usually smaller than Sesarma and easily recognized 

 by its more brilliant color which is extremely vari- 

 able. It is usually olive green blotched with ligh" 

 greenish yellow or pale purple and with three sma) 

 white spots on the front of the carapace. 



This is a pelagic crab that lives on floating Gulf 

 Weed (Sargassum fili pendulum) throughout the 

 whole length of the Gulf Stream. It has been carried 

 at least twice to the New Jersey shore. H. L. Vier- 

 eck found it at Cape May on September 20, 1904 

 (Fowler) and the writer found it at Cape May 

 Point on September 24, 1928, after the " Florida- 

 Porto Eico Hurricane." It may be looked for after 

 any severe storm. 



