585 



EOLTDIDiE. 



This tribe consists of Nudibranchs that have a ramiiieJ 

 stomach, and papillose or branched branchia? ranged along- 

 the sides of the back. It includes many of the most 

 elegant molluscs that have yet been discovered, and in no 

 family of the animal kingdom can we find more graceful 

 outlines or more brilliant and harmonious colouring. 



LOMONOTUS, Verany. 



Body linear or lanceolate, smooth. Head covered by a 

 veil. Tentacles clavate, laminated, retractile within a 

 sheath. Branchiae papillose set on the undulated margins 

 of the mantle along the sides of the back. 



1. L. MARMORATus, Aider and Hancock. 



Plate Z, Z. fig. .3. 



Ewmenis marmorata. Alder and Hancock, Ann. Nat. Hist, vol, xvi. p. .311, 

 and Monog. part 3, fam. 3, pi. 1. «. 



Body (more than half an inch long) linear-lanceolate, 

 quadrilateral, olive or yellowish-brown, streaked or spotted 

 with chocolate brown and white. Head-veil small, with 

 small tubercular points. Dorsal tentacles ovato-clavate, 

 fawn-coloured, rising out of close sheaths, with simple 

 margins. Pallial margins three or four times undulated, 

 set with irregular papillose branchiae of a fawn colour, with 



VOL. III. 4 1' 



