686 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [184] 



Plate XLH. 



Fig. 182. AmpMnome LepadisY . Head and anterior segments, enlarged six diameters; 

 a, posterior extremity of the same specimen ; h, one of the branchiae. 

 This specimen was found among stems of Lepas, on floating timber, in 

 the Gulf Stream. 



Fig. 183. SylUs spongipMla V. Dorsal view of the head and anterior segments, en- 

 larged twenty-four diameters ; a, one of the compound setae, enlarged ■ 

 seven hundred and fifty diameters. 



Fig. 185. OpMoglycera grandis V. Head, enlarged four diameters. 



Fig. 185 a. The same. One of the parapodia from the anterior region ; h, one of the 

 parapodia from the middle region of the body. From a specin^en taken 

 at the surface in Newport Harbor. 



Fig. 188. Sabella pietaY . Anterior segments and base of branchiae, ventral view, en- 

 larged four diameters; c, the same, posterior segments; d, one of the 

 branchiae. 



Fig. 188a. The same. One of the hook-shaped setae, enlarged one hundred diameters! 

 h, one of the spatulate setae, enlarged one hundred diameters. 



Fig. 189. Vermilia serrula. Dorsal view of the tube and expanded branchiae; o, 

 side view of operculum ; o, operculum of another specimen, with adherpint I 

 dirt. ' I 



Fig. 190. Maldane Mceps. a, anterior portion, side view, enlarged four diameters ; 

 posterior portion, side view, enlarged two diameters. 



