684 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [182] 



Plate XLI. 



Fig. 178. Hyalincecia artifex V. Head aiid anterior segments, enlarged about one 

 and one-half diameters ; 6, the same, ventral view of the head and 

 anterior segments of another specimen, enlarged about one and one- 

 half diameters ; c, the same, posterior segments and caudal cirri, en- 

 larged five diameters. 



Fig. 178 a. The same. Ventral view of the head and anterior segments, enlarged 

 three diameters. 



Fig. 179. The same. One of the anterior parapodia, enlarged thirty diameters; 5, 

 branchia ; c, dorsal cirrus ; a, one of the parapodia from a segment far- 

 ther back, destitute of the branchia, enlarged thirty diameters; c, dor- 

 sal cirrus ; h, one of the funnel-shaped setae, enlarged seventy-five diam- 

 eters; e, the same, enlarged three hundred and seventy-five diameters; 

 c, a seta with bilobed tip, enlarged seventy-five diameters ; d, spiniform 

 seta, enlarged seventy-five diameters. 



Fig. 180. LeodicepolyiranchiaV. Oneof the parapodia, enlarged twenty diameters; 



a, tip of one of the compound set®, enlarged one hundred diameters; 



b, tip of one of the funnel-shaped setae, enlarged two hundred diameters. 

 Fig. 181. Nothria conchyphila V. Dorsal view of head and anterior segments, en- 

 larged eight diameters. 



