]^o. 104:.] 135 



Buccal segment nearly as long as the three following segments 

 taken together. 



Tentacular cirri ; upper nearly as long as superior antennie, but 

 more delicate ; lower, three times as long as upper, and stouter, but 

 still very delicate. 



Dorsal (tirri pretty evenly rounded, quite small on the anterior 

 segments (tig. 14), growing larger behind (fig. 15). 



Ventral cirri, in front larger than the dorsal, lower margin 

 strongly convex, upper margin straio:ht, apex acute; further back 

 they are larger than in front but smaller than the dorsal cirri, their 

 margins slightly convex, apex bluntly rounded. 



Anal cirri short, subulate. 



Set.ie (fig. 16) numerous, short, stem reaching but little beyond 

 the feet; appendix also short, rather wide at base, 'termination 

 capillary, one edge minutely denticulated. 



Body elongated, in front flattened, further back rounded above, 

 flat below ; tapering rapidly along the anterior third, gradually 

 along the posterior third. 



Color white, or white with flake-white specks, sometimes with an 

 intestinal brown line showing through. 



Length of largest specimens, 45™™ ; width with feet, 1.5™™. 



Hare ; low water to fifteen feet. 



Etegne LiJif'icoLA Yerrill. 



Veruilt,. Invert. Animals of Vineyard Sound, etc., p. 294. 1874. 



This species, reported by Yerrill from Grreat Egg Harbor, we 

 failed to find. 



Fam. IlESIONID^, 



PODARKE Elders. 



Die Borstenwttrmer, p. 190. 1864. 



PoDARKE OBSCURA Yerrill. 



PLATE (ll) V, FIGS. 17, 18. 



"Veurill. Invert. An. ofVin. Sound, etc., p. 589, pi. xii, fig. 61. 1874. 

 Webster. Annel. Chaet. of the Virginian Coast, p. 216. 1879. 



Rare; low water to fifteen feet. 



PoDARKE LUTEOLA 71. Sp. 

 PLATE (II) V, FIGS. 19, 20. 



Head very slightly convex in front, posterior margin slightly con- 

 cave, and a little shorter than the front margin, the sides being 

 directed a little inward ; length to width as one to three; angles all 

 bluntly rounded. 



