iMS. 





The body if from one hundred to two hunt] 



Begments. The head c 





' ' / 





h 



Fm. 69. — Euchone elegans, 



Fin. "O.—Amphitrite ornatct. natural 



with four eyes and two pairs of tentacles. Tl 

 ment bears four tentacli 3. Each of the otlx r 

 - bears a pair of paddle-like append- 

 -. which may be best studied byexaminii _ 

 of the middle segments i 1 

 In certain kinds, as 

 frills form a beautiful feathery crown on 

 head; while in Amphitrite I 1 ') tl 



tacles are very numerous, and the bushy red ■ 

 gills grow out by their side. Some sea-worms are beauti- 

 fully, phosphorescent. The young of all sea-wonn- ( 

 71) are ciliated, and swim on the surface of the sea.* 



rrill's works iu I . S. Fish Commission R 



