slender rodlike support (Figure 6a). All para- 

 podia uniramous bearing only spinigerous setae. 

 Anterior parapodia (Figure 6c) with an ovoid 

 dorsal ciri-us well above the elongate setigerous 

 base, the conical ventral cirrus arising from 

 its ventral margin. Presetal lobe tapered and 

 about half as long as the setigerous base; post- 

 setal lobe low and rounded. Posterior feet with 

 a shorter presetal lobe and a longer, more 

 pointed ventral cirrus. 



Rrnun-ks. — This is the first I'ecord of the 

 genus Hemipodus from the Atlantic since all 

 of the 20 species that have been described are 

 confined to the Pacific. However, the name 

 Hemipodus >o.s'(;/.s' has been used with consider- 

 able hesitation for the majority of the descrip- 

 tions are very similar and a reexamination of 

 the types is obviously necessary. A few species 

 appear to have characteristic proboscideal pa- 

 pillae but the rest are distinguished by dif- 

 ferences in the shape of the parapodia which 

 are known to change along the length of the 

 body even in a single specimen. The type species 

 of the genus is Hemipodus simpler (Grube) and 

 Ehlers (1901) regarded this as the only valid 

 species described before 1900. He included seven 

 species in the synonymy and among them was 

 H. roseus Quatrefages. Arwidsson (1899), how- 

 ever, argued that H. )'oseus was a valid species 

 and his figures of the presetal lobe of the para- 

 podia are closer to my specimens from North 

 Carolina than are those of Ehlers for H. sim- 

 plex. Kno.x ( 1960) has also figured the pro- 

 boscideal papillae of H. simpler as all flattened 

 and triangular in outline whereas my specimens 

 have papillae of two types as shown in Figure 

 6b. For these reasons I have used the name 

 H. roseus. 



I have also compared the North Carolina 

 specimens with a specimen of H. /)ore(tlis John- 

 son from Fox Island, Wash., which Dr. Hart- 

 man kindly sent to me. H. borealis is 38 mm 

 long and thus twice the size of the North 

 Carolina specimens but there are no other im- 

 portant differences either in the shape of the 

 parapodia or the proboscideal papillae or the 

 jaw supports. In brief, H. borealis appears to 

 be a synonym of H. roseu.^. 



Records. — Common in 3-20 m of Beaufort 

 (21, *). 



Distribution. — Pacific coast of the Americas 

 from Washington to Chile; intertidal to 18 m. 



Glycera dibranchiata Ehlers, 1868 



Glycera dibranchiata. - Hartman, 1945: 23; 

 1950: 70, pi. 10: Fig. 9, 10; 1968: 621, 

 Fig. 1-4. - Pettibone, 1963a: 215, Fig. 56. 



Records. — Common from Cape Hatteras to 

 Beaufort; intertidal to 20 m (5, 9, 11, 13, 17, 

 18,21, *). 



Distribution. — Gulf of St. Lawrence to Flori- 

 da and the Gulf of Mexico; central California 

 to the Pacific coast of Mexico; intertidal to 

 400 m. 



Glycera americana Leidy, 1855 



Glycera ameiicana. - Hartman, 1950: 73; 1968: 

 613, Fig. 1. - Pettibone, 1963a: 213, Fig. 

 54 a-e. - Nonato and Luna, 1970b: 71. Fig. 

 16. 



Records. — Common from Cape Hatteras to 

 Beaufort; intertidal to 120 m (2, 3, 5, 7, 8, 9, 

 11, 13. 15. 17, 18,21, *). 



Distribution. — Massachusetts to Argentina 

 and the Strait of Magellan; British Columbia 

 to Peru; South Australia and New Zealand; 

 intertidal to 310 m. 



Glycera papillosa Grube, 1857 



Gh/cera papillo.^a. - Day, 1967: 358, Fig. 16.1. j-1. 



Description. — Length 20-30 mm. Prostomium 

 with eight rings. Proboscis with numerous long, 

 slender, and smooth papillae and few ovoid 

 forms. Jaw supports dee])ly forked; shorter 

 prong united to longer one by a deeply notched 

 pale area. Parapodia with two presetal lobes, 

 superior one very small and not immediately 

 evident; one low rounded postsetal lip. No 

 branchiae. 



Remarks. — This species is generally similar 

 to G. capitata but may be distinguished by the 

 shape of the jaw supports. 



Records. — Five specimens off Beaufort in 

 20-160 m (20, *). This is a new record for the 

 United States. 



Distribution. — South Africa and Chile; inter- 

 tidal to 200 m. 



45 



