EOLIS. 603 



portions with yellow. Branchia3 long, linear, centrally 

 of a dark green, belted with yellow above, and tipped 

 with white ; they are ranged in fifteen rows of three or 

 four in each row, the outermost series smallest. Foot 

 linear, rounded at the anterior angles. 



In ten fathoms water, weedy bottom. Menai Straits 

 (E. F.). 



oO. E. viRiDis, Forbes. 



Ann. Nat. Hist. vol. v. p. 106, pi. 2, fig. 18. 



Body (a quarter of an inch long) white, linear-lan- 

 ceolate, tapering behind. Dorsal tentacles white, long, 

 wrinkled ; oral ones shorter. Branchiae arranged in five 

 or six series, approximated on the back, four or fewer 

 in each lateral row, green with white tips. Foot linear. 



In twenty fathoms water, Isle of Man, and twenty- 

 five fathoms, Cornwall (E. F.). 



31. E. ccERULEA, Montagu. 



Doris ccerulea, Montagu, Linn. Trans, vol. ix. p. 78, pt. 7, figs. 4, 5. 

 Montagua ccerulea, Fleming, Brit. Ann. p. 285. 



Body (a quarter of an inch long) linear-lanceolate, 

 green. Dorsal and oral tentacles of nearly equal length. 

 Brauchiffi ovate, green at their bases, blue in the middle, 

 and orange at their tips, ranged in five or six rows, approx- 

 imated on the back. 



This species requires re-examination. It was taken by 

 Montagu on the coast of Devon. 



S2. E. picTA, Alder and Hancock. 



Eolis pallida. Alder and Hancock, Ann. Nat. Hist, vol. xi. p. 35. 

 „ picta. Alder and Hancock, Monog. part 3, fam. 3, pi. 33. 

 „ minuta, (young ?) Alder and Hancock, Ann. Nat. Hist. vol. xi. p. 36. 



