586 EOLIDIDiE. 



pale edges. Sides of the body striated with dark brown. 

 Anterior margin of foot duplicated and produced at the 

 angles into long tentacular processes. 



Dredged by Mr. Alder near Berryhead, Torbay. 



2. L. FL.wiDus, Alder and Hancock. 



Eiimenis flavida. Alder and Hancock, Ann. Nat. Hist. vol. xviii. p. 293. 



Body (a quarter of an inch in length) quadrilateral, pale 

 lemon-yellow above, white beneath. Head-veil very small, 

 with about four tubercular points. Dorsal tentacles cla- 

 vate, rising out of sheaths set at the tops with six tubercles, 

 of which the outer one is largest. Branchioe papillose, 

 mostly short, set in a waved line on the sides of the back, 

 three on each side being larger than the rest, and nearly 

 linear; all ringed with fawn colour. Sides of the body 

 with a few pale yellow markings. Foot produced into 

 tentacular points at its angles. 



Lamlash bay, dredged on a coralline (Alder and Han- 

 cock). 



DENDRONOTUS, Alder and Hancock. 



Body elongated, prismatic. Tentacles clavate, laminated, 

 retractile within tubular sheaths ; front of the head with 

 branched appendages ; branchiae ramose, arranged in a 

 single series down each side of the back. Foot linear. 



This genus has the habit of Tritonia. 



D. ARBORESCENS, Muller. 



Plate Z. Z. fig. 5. 

 Doris arboresccns, Muller, Zool. Dan. Prod. p. 229. 



Tritonia arborcscens, Cuvier, Ann. du Mus. vol. vi. p. 434, pi. 01 , f. fJ, .0, 10. — 

 Fleming, Brit. Ann. p, 284. 

 „ lacica, (var.) Thompson, Ann. Nat. Hist. vol. v. p. 88, pi. 2, f. 3. 

 „ pulchclla, (var.) Alder and Hancock, Ann. Nat. Hist. vol. ix. p. 33. 

 „ felina, (var.) Alder and Hancock, Ann. Nat. Hist. vol. ix. p. 33. 



