614 elysiadjE. 



E. viBiDis, Montagu. 



Plate C. C. C, fig. 3. 



Aphysia viridis, Montagu, Lin. Trans, vol. vii. pi. 7, f. 1. — Fleming, Brit. 



Ann. p. 291. 

 Acleo?i viridis, Quatrefages, Ann. Sc. Nat. 3rd series, vol. i. page 138. — 

 Allman, Ann. Nat. Hist. vol. xvi. p. 146. 



Body and expansions bright green, variegated with 

 groups of green, bkie, and rose-coloured kistrous specks. 

 Tentacula dull purple. A colourless space around the 

 eyes. Length, nine lines. 



An inhabitant of the laminarian zone, usually on Codium 

 tomentosum or Zostera marina. Devon (Montagu) ; on 

 the coast of Cork County (Allman) ; Arran, in Scotland 

 (Rev. D. Landsborough) . 



LIMAPONTIA, Johnston. 



Animal limaciform, depressed in front, rounded and 

 elevated behind. Head distinct, bearing two lateral crests 

 instead of tentacles, at the hinder ends of which are 

 the eyes. Vent dorsal, a little behind the centre of the 

 back. 



This genus is identical with Chalidis of Quatrefages. 



L. NIGRA, Johnston. 



Plate C. C. C, fig. 4. 



Limaponlia niffra, Johnston, Loudon's Mag. Nat. Hist. vol. ix. p. 79 — Alder 

 and Hancock, Ann. Nat. Hist. 2nd series, vol. i. p. 402, 

 pi. 1 9, fig. 4, 5, 6. — Spence Bate, Notes on Fauna of 

 Swansea, p. 7, pi. 2. fig. 4. 



Body (one line and a-half long) brownish-green or 

 black, rather depressed, the sides slightly overhanging the 

 foot. Head truncate in front, flat and crested at sides. 



