94 NEREIS. Class VI. 



dinal sulcus runs along the belly, about four 

 inches lono;. 



Inhabits the deeps. Tab. xxvii. Jig. 1. 



3. ViRiDis. Gm. Lin. 3117. Adams in Lin. Tr. v. 8. 



* N. filiform, of one hundred and thirty seg- 

 ments, flattish ; the scales of the feet lanceo- 

 late ; two short cirri on the tail ; three feelers 

 on each side of the head ; color green ; length 

 about two or three inches. 



Found on Fucus pinnatijidiis near Tenhy. 



4. Tricolor. 3Ionf. in Liti. Tr. vii. 82. 



* N. nearly cylindric, of about four hundred seg- 

 ments ; no feelers ; color, of the most beautiful 

 prismatic tint, except the tail, which is orange 

 red ; length one foot ; size^ that of a goose 

 quill ; but can extend itself to three feet, and the 

 size of a raven's quill. 



Found under a stone among the rocks at 

 Milt07i. 



5. Marga- ^^onf- in Li'i. Tr. vii. 82. 



RITA. 



* N. with a cylindric body of about seventy- 

 four segments, with a short filamentous appen- 

 dage to each foot; front divided into three 



