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U.S. NATIONAL MUSEUM BULLETIN 227 



Drilonereis longa Webster, 1879 



Figure 72 



Drilonereis longa Webster, 1879, p. 240, pi. 7, figs. 84-88. — Webster and Benedict, 

 1884, p. 721.— Andrews, 1891a, p. 238.— Sumner, Osburn, and Cole, 1913, p. 

 622.— Hartman, 1944a, p. 340, pi. 17, fig. 8; 1944d, p. 178; 1945, p. 51. 



Laranda longa Mcintosh, 1885, p. 237, figs. 



Description.- — Length up to 710 mm., width up to 1.5 mm., 

 segments up to 1,000. Parapodia inconspicuous on first few setigerous 

 segments (fig. 72,a,h) ; they form a low mound on about the first 

 30 setigers, becoming short, conical on about setigers 30-50 (fig. 



ocS 



Figure 72. — Arabellidae, Drilonereis longa {e~k, after Moore, MS.): a, dorsal view anterior 

 end; b, ventral view anterior end; c, parapodium from anterior region (about setiger 

 35), posterior view; d, parapodium from posterior region, posterior view; e, limbate seta 

 from setiger 23;/, acicular seta or spine from setiger 23; g, mandibles; h, maxillae. 



