306 



U.S. NATIONAL MUSEUM BULLETIN 227 



postL 

 (ne) 



Figure 8L — Paraonidae, Aricidea albatrossae: a, dorsal view anterior end; b, same, lateral 

 view; c, same, ventral view; d, right parapodium from first setiger, posterior view; e, 

 same, from setiger 7;/, same, from postbranchlal segment. 



Proboscis bulbous or cylindrical, ciliated. Color, in life: greenish 

 yellow on prostomium and anterior segments; in alcohol: brownish, 

 especially anteriorly; may be brownish banded posteriorly. 



Biology. — Dredged on bottoms of coarse to fine sand, sticky and 

 soft mud, ooze, muddy sand, sand or mud with gravel, shells, tubes. 

 Females massed with large yolky coral-pink eggs and males with 

 white sperm masses found in Massachusetts in July (Cape Cod Bay, 

 July 8, 1954). Found in the stomach of haddock (Georges Bank, 

 1953, R. Wigley). 



