134 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 7 



PLATE 18 



Figures 217 to 225, Leanira fimbriarum: Fig. 217, thirty-fifth para- 

 podium in posterior view, setae indicated, x 25 ; Fig. 218, pro- 

 stomial lobe, anterior eyes concealed by ctenidia, indicated by 

 stippling, X 30; Fig. 219, outline of first elytrum, the anterior 

 margin fimbriated (in some it is quite smooth), x 25; Fig. 220, 

 part of a median serrulated notopodial seta, x 290; Fig. 221, 

 a superior simple spinose neuropodial seta, x 290; Fig. 222, a 

 composite neuropodial seta, the appendage distally pointed, 

 but not canaliculated, x 290; Fig. 223, part of an inferiormost 

 smooth notopodial seta, x 290; Fig. 224, outline of elytrum 

 from thirty-fifth parapodium in ventral view, x 25 ; Fig. 225, 

 fifth parapodium in posterior view, setae indicated, x 32. 



Figures 226 to 231, Sihenelanella uniformis: Fig. 226, outline of 

 first elytrum from right side, in ventral view, x 32; Fig. 227, 

 marginal fringe from anterior edge of first elytrum, x 290 ; 

 Fig. 228, fifth elytrum from right side in dorsal view, the 

 stippling indicates pigmented area, x 32; Fig. 229, inferiormost 

 neuropodial seta from a median parapodium, x 650; Fig. 230, 

 a median neuropodial seta from same parapodium, x 650; Fig. 

 231, a superior neuropodial seta from same parapodium, x 650. 



