§6 WORMS. MOLLUSCA. 29. Nereis. 



A. Msuth furnifijcd with a clazu or forceps, 



^£>jtcolon Body fubdcpreffed : peduncles pointed and ftirniOied with 

 bridles. 

 Mull. Wurm. p. 104. tab. 6.fg. 1--6. 

 Inhabits Earopean Seas i 4 inches long. 



Body with about 85 legments growing gradually flenderer be* 

 hind) ochre yellow v\ ith a dull red ilreak. down the middle: 

 A//7and anterior fegments of the body dirty grcenifh 5 towards 

 the middle fhining with various irideicent colours : upper- 

 feelcrs 3* fhert, iubulare ; lower ones 2, pellucid, conic ; ]a- 

 jatcral ories 4, hornv : Jhr.ies red. 



» . ' ■ 



*Nc>l:luca. Body blue-green, with 23 fegments: hardly vifible to the 



naked eve. 



Barhuts Worms, tab. 4, fig* 8. Amxtn. accid. 3. tab. 3* 



Batter cp.fubfc, tab. 4. fig. 3. 



Tiicle are found in rooit leas, and are the animals which fre- 

 quently illuminate the \\ater, making it appear as if on fire: 

 they ^re extremely minute, pellucid and highly phofphoreou?, 

 giving an uncommonly lucid fplendor to the waves in an 

 evening ; by their extreme numbers and fmaJlnefs they eafily 

 elude obfervation, but they may be detected by paffing a 

 final! quantity or the water through blotting-paper. 



Fitebriatiz. Body fubdcprefTed : peduncles cirrate^ glandular. 

 Mull. tVurm p. 144, tab\ 8, f.g. I--J. 

 Inhabits the Baltic : ab *ut 3 inches long, and linear. 

 Body fulvou?, with a blue line down the middle of the back and 

 belly: head with 3 feelers : -tail terminated by 2 threads. 



zirmillaris. Body fubdepreued : peduncles conic* with glandular cirri. 



Mull, Jf'urp/i. p. ICO, tab.g, fig. I --5. 



Inhabits the Northern Seas, and buries itfelf deep in the. fan J : 

 about 1 5 lines long. 



Body filiform, with 3 tnoniliform feelers each fide the head ; ar- 

 ticulations about t 20, all armed with a beduncle each fide : 

 /#// ending in 2 long threads. 



M&fiiu With lateral fafciclcs of hairs above the peouriclcs. 

 Inhabits NoHvay Seas. Fn. Succ. 2097. 



*Delagica. Body above convex : peduncles cirrate and warty. 

 Pennant. Brit. Zool. iv. p. 47, ia0. y 25, fig, 33. 

 Bajler op, nd>jc. 2, p. 133, tab. 6. Jig 6, 

 Mull. IV ur 771. p 140, tab. 7, fig. I--3, 

 Met. liafn. 10, p. i6o, tab. 2, fir, 10. 



Inhabits 



