POLTCHAETE WORMS, PART 1 



23 



Figure 5. — Polynoidae, a, Gattyana nutti, elytron, b-d, Gattyana cirrosa: b, elytron; 

 c, upper neuroseta; d, lower neuroseta. e-g, Gattyana amondseni: e, elytron; f, upper 

 neuroseta; g, lower neuroseta. h-j, Drieschia pellucida (after Moore, 1903b): h, tenth 

 parapodium, posterior view, setae omitted; i, upper slender neuroseta; j, lower stout 

 neurosetae from tenth parapodium. 



Key to the New England and Gulf of St. Lawrence Species of Enipo 



1. Notosetae slender to moderately stout, tapering to blunt tips (not capillarjO ,* 



neurosetae stouter, with bare, slightly hooked tips (fig. 6,a-c) E. gracilis 

 Notosetae taper to fine capillary tips 2 



2. Neurosetae of two kinds: with slender sharp tips and with entire hooked tips 



(fig. 6,e,/). With two middorsal nodules per segment. Elytra very small 



(fig. Gd) E. canadensis 



Neurosetae taper to slender sharp tips (not hooked, fig. 6,h, i). Without mid- 

 dorsal nodules. Elytra larger E. torelli 



