NO. 1 hartman: goniadidae, glyceridae, nephtyidae 29 



than the single presetal one, whereas in the stem species the single pre- 

 setal lobe is slightly longer than the bifurcated postsetal lobe. In the 

 subspecies the notopodia have a postsetal lobe that is much longer than 

 the presetal one, whereas in the stem species the presetal and postsetal 

 lobes are about equally long. 



An individual with 175 segments measures 30 mm long and 2 mm 

 wide with parapodia. The first 27 segments are uniramous. Biramous 

 parapodia have simple, hairlike notosetae and composite spinigerous 

 neurosetae. The prostomium has not been described. The proboscis has 

 14 chevrons on a side. Macrognaths have 3 or 4 teeth each. Micro- 

 gnaths consist of a dorsal arc of 15 or 16 pieces and a ventral one of 

 8 pieces, together forming a circlet. All micrognaths are H-shaped 

 except the outermost one on each side of the dorsal arc which is smaller 

 and Y-shaped. The micrognaths vary much in size. 



The proboscidial organs are strewn over the proboscis in 18 longi- 

 tudinal bands, with 2 or 3 irregular rows on each band. Most organs 

 are rounded and somewhat ovate but those on the dorsal side are the 

 larger. Each has at the tip about 3 small teeth (not known for the stem 

 species). Those in the mid ventral line resemble those of the stem species. 



Distribution. — West Africa. (This was given as Sinai by Arwidsson, 

 1899, but as Sinoe, Liberia, by Augener, 1918.) 



Goniada maorica Benham 



Goniada eximia Benham, 1909, p. 80. Not Ehlers, 1901, p. 157. 

 Goniada maorica Benham, 1932, pp. 555-561, figs. 1-5. 



Length of an incomplete specimen is 210 mm for 220 segments; 

 width is up to 12 mm with parapodia. The body consists of 3 regions; 

 the transition from uniramous to biramous parapodia is gradual, occur- 

 ring between segments 70 to 112, with about 40 segments comprising a 

 middle body region. The prostomium has a larger basal ring that is 

 traversed by a furrow, and 7 more terminal rings with 4 antennae. 

 Eyes are absent. 



Uniramous parapodia have 2 long, subequal presetal and a slightly 

 longer postsetal lobe ; both dorsal and ventral cirri are long and conspic- 

 uous. In median segments the ventral cirrus is rapidly enlarged so as 

 to exceed all other parapodial lobes in length. 



Notopodia have a single setal lobe that resembles the dorsal cirrus, 

 and a few hairlike simple setae. Neuropodia in the posterior region have 

 2 longer, subequal presetal lobes and a shorter, triangular postsetal lobe, 



