Boone, Annelida, Cruises of "Alva" 101 



Family: ARENICOLIDAE 



Genus: ARENICOLA Lemarck 

 Arenicola cristata Stimpson 



Plate 32 



Type : Mr. Stimpson and a Lt. Kurtz, U. S. A., collected the 

 type of this species in the lower portion of the littoral zone, on the 

 shore of Maurice's Island, inside of Pelican Point, at the entrance 

 of Charleston Harbor, South Carolina. It is deposited in the col- 

 lections of the Boston Society of Natural History. 



Distribution : This species has been recorded from the tem- 

 perate and tropical shores of the littoral zone of the Atlantic Ocean 

 and also from the Mediterranean at Naples. The following valid 

 records have been published : coast of New Jersey (Webster) ; 

 tidal line, Anglesea, ten miles north of Cape May, New Jersey 

 (Ives) ; Chesapeake Bay (Wilson) ; abundant at Charleston Har- 

 bor, South Carolina (Stimpson) ; from Bermuda Islands (Web- 

 ster; Verrill; Boone) ; Manatee River, west coast of Florida 

 (Ives); Captiva Key, Florida (Ehlers; Chamberlin) ; common 

 on the shores of the Antillean Seas ; Jamaica, St. Croix, Virgin 

 Islands (Lutken) ; Bluefields, Jamaica (Ash worth and Gamble) ; 

 Naples (Horst; Chamberlin; Ashworth and Gamble); Naples: 

 rare ; occurs chiefly among decaying matter in the Porto mercan- 

 tile, breeding from June to August (Lo Bianco). 



Material examined : Seven specimens taken on Sandy Beach, 

 Cooper's Island, Bermuda Islands, June 20, 1933, by the "Alva" 

 Mediterranean Cruise. 



Colour : This of the South Carolina type specimens was de- 

 scribed by Mr. Stimpson as follows : "The colour of the animal 

 is a rich dark green of various shades, often approaching to brown 

 on the middle of the body. A dark coloured median line extends 

 along the ventral surface. The circular ridges are of a light brown 

 colour ; the setae of a bright golden hue ; and the proboscis, red- 

 dish brown." Of the series of specimens from several localities, 

 examined by them, Messrs. Gamble and Ashworth wrote: "The 

 living specimens are a dark velvety bottle green with some yel- 



